RnM Brochure

1. Specialized
Engineering &Construction Company

2. ABOUT US
R & M International Pvt Ltd is leading We are dedicated and a centre of attention for:
Specialised Engineering and Construction
Company. We are a rapidly growing solution • Structural Strengthening
provider for Improvement/protection/repair Increasing the axial and flexural strength of
of concrete/structures in India. Seeing the the structural members. So that they are able
current growth and revamping of total Indian to meet up the design requirements.
infrastructure market which includes Railways,
Airports, Roads, Bridges, Hydro Power, the • Base Isolation
company plans to start offices across major cities The integrity of a structure can be protected
and to have a business relationship with various from the attack of severe earthquakes either
international organizations. We bound to meet through the concept of resistance or isolation.
up the client requirements due to which we were In designing a structure by resistance, all the
able to grow consistently over the past few years. members of a structure are designed with
sufficient size to take the load elastically and
allowed to undergo in the inelastic range with
sufficient ductility. Such approach can prevent
the collapse of the structure but not the
damage i.e. the structure rendered to be unsafe
after earthquake.
• Water proofing
Membranes made of bituminous material
provides good water-proofing to roofs and
terraces. Also Specialized waterproofing
chemicals with nano compounds in it
enhances the efficacy of certain chemicals in
waterproofing applications.
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3. PRODUCTS PRODUCTS
R&M Carbon Fiber Laminates
Carbon laminate is a stiff composite plate use to
enhance the flexural and moment enhancement
R&M G-Fiber BD-80 for structure.
Glass fibre is made by weaving fibreglass Various thickness and width are
together to give it a cloth or a fabric shape. (10,20,50,80,100) and (1.2,1.4) respectively. Any
The type of fiberglass used are mainly E-glass
(alumina borosilicate glass). FRP sheets are
combination can be choosed. R&M Matrix 20 Base,
Used in Pre-Stressed System for following
wrapped around the columns, with fibers •Flexural enhancement for slab and beam Hardener
oriented perpendicular to the longitudinal axis R&M C-Fiber UD-300 •Diagonal bracing for brick wall Fiber Composite Resin is a two component
of column, and are fixed to the column using Carbon fiber (CF), is a material consisting of •Shear wall enhancement system and the primary functions of the resin
epoxy resin. They provide Ductility Enhancement, extremely thin fibers about 0.005–0.010 mm •Moment enhancement in tall structure are to transfer stress between the reinforcing
seismic strengthening and junction confinement in diameter. These threads are then weaved •Deflection recovery system fibers, act as a glue to hold the fibers together,
together to form a sheet fabric. and protect the fibers from mechanical and
Areas of Application environmental damage.
•Flexural enhancement (low quality of substrate) Areas of Application
•Axial load enhancement of columns •Composite FRP system
•Placement of stirrups in columns •Concrete and masonry surface imperfections
•Filling pinholes prior to over coating
•Sealing of surface cracks and General fair facing
over large areas
They have the following advantages over Used in non-PreStressed System for following
conventional materials. •Flexural enhancement for slab and beam
•Dimentionally stable •Diagonal bracing for brick wall
•Moisture Resistance •Shear wall enhancement
•High Strength •Moment enhancement in tall structure
•Fire Resistance Properties
•Chemical Resistance Properties •Hiigh modulus carbon – tensile strength- 2900
•Very high strength to weight ratio higher than •MPa, E-Modulus- 210
even glass fibers •Corrosion resistant and doesn’t absorb moisture. Packing of 5 kgs including base and hardener
•Dimensionally stable Packaging Tests done
•Moisture resistance Rolls of 100 m, 150 m, or cut to size. an Flexural strength test, and tensile strength test.
Testing unwinding reel is available upon request. Special
•Tesile Strength ASTM D-3039-93 dimension upon Request
•Pull-off test Tests recommended
•Tensile strength test as per ASTM D-3039-93
•Pull off test to check the bond with substrata
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4. PRODUCTS PRODUCTS
R&M Resin Primer 11 Base, Hardener R & M ModPoxy ST
R & M Nano-proof-51 It is a corrosion resistant coating for structural
A single component emulsion which is steel and processing vessels’ exteriors. Excellent
NANO enhanced, Waterborne, Economical, water resistance. Exhibits excellent performance
ECOFRIENDLY, User-friendly (nil minerals) and in industrial and marine environments subject to
is having multiple applications. It Very well acids, alkalis, solvents, salts and other aggressive
compatible with Cement. It is also UV resistant. EPDM Water proofing Membranes exposure. R & M Nano-Coat-505
It is easy to use and very well suited for internal Membranes made of bituminous material DL -505 is an excellent modified acrylic Resin
and external building applications. roofs, terraces provides good water-proofing to roofs, terraces R & M ModPoxy SP Emulsion enhanced with NANO additives (for
and chajja’s are the main areas of application. and other large areas of applications. Specially formulated epoxy mastic that is high better adhesion) based waterborne masonry
build and surface tolerant. It is recommended as paint for concrete substrates. It is a Single
R & M Nanopoxy-23/75 R & M WaterRepell a maintenance coating with suitable top coats. component, ECOFRIENDLY, user-friendly, high
It is a 2K waterborne ECONOMIC, User-friendly, DL-WR is a Single Component Coating which The product is suitable for application on steel performance paint with anti carbonation
ECOFRIENDLY, Flexible Epoxy Composition, is Economical, Ecofriendly, Waterborne, as well as concrete surfaces. properties. It also finds extensive use in painting
enhanced with NANO and other performance Nonflammable, Water and Oil Repellent. It is It is recommended in fertilizer, chemical, refinery, and coating of core infrastructures like bridges,
additives. It is used with either white or grey applied on Porous surfaces like Plaster, Concrete, petrochemicals, bridges, marine installations, dams, skywalks, etc.
cement and has very good compatibility with Paper, Wood, Bricks, Stones, Fabrics, Cardboards, pulp and paper, pharma industries. Modpoxy SP DL505 is also recommended for steel structures
Cement. It is a heavy duty compound and is Asbestos cement sheets, Gypsum Boards, POP, –N is nano ceramic modified variant which has in chemical industry over a suitable primed
very well suited for swimming pools, podiums etc. DL-WR is Transparent which results into still better chemical resistance and adhesion. surface.
gardens like areas. performance water and oil repellent surface. It is
ready to use by brush or spray application. R & M SiliCoat
R & M Integral-Waterproof R & M Nano-Coat-145
It is an excellent Exterior Silicone Resin
Integral Water-Proofing liquid Compound for R & M Bondagent Nanocoat- 145 is a waterborne coating for Emulsion based waterborne paint that also
Plaster and Concrete. It gives concrete improved superior performance, particularly as an excellent performs Water-Proofing. It is Single component,
Dl-BA is a very flexible polymer based bonding Anti Corrosive coating for difficult substrates like
cohesion and acts as a plasticizer. agent having tack for strong bond between old ECOFRIENDLY, userfriendly, high performance
COPPER, ALUMINIUM, ZINC, etc. It can be used as paint known for very high durability. It is applied
and new cementitious substrates. DL-BA finds
R & M Rust-Killer extensive use as a bonding aid for new and old
top clear coat for variety of substrates, including on cementitious (concrete, plaster etc.) surfaces.
This Coating is a liquid formulation which is certain plastics like Poly Carbonate and on Road
concrete / mortar. Also applicable for bonding marking paint.
non-acidic, water borne, eco-friendly, non- brick slips, tiles, stones, wall cappings, repointing R & M PU-Aliphatic
flammable, user-friendly rust inhibitive type brick work and for protection of concrete from
Rust Killer. It has excellent use as reinforcement
R & M Fire-EPON Two pack acrylic polyol and aliphatic isocyanate
dampness. based top coat with good chemical resistance
coating during rehabilitation of old structures. Fire-EPON is a 2K Fire retardant EPOXY COATING
and weatherability. It is recommended for
R & M Water-Retardant enhanced with NANO and other performance
application on suitaby primed surfaces of
additives. It offers excellent chemical and
DL - RET is a water reducing and retarding structural steelwork, vessels, pipelines, etc in
corrosion resistance.
admixture for concrete. It is a special fertilizer, chemical, refineries, petrochemical
performance admixture for RMC plants. It helps plants which are exposed to corrosive
in achieving increased workability in all grades environment. It is recommended for core
of concrete, increased compressive strength infrastructure like bridges, skywalks, canals, etc.
at economical dosage and better retention of
slump values.
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5. PRODUCTS PRODUCTS
R&M Resin Primer 11 Base,
Hardener R&M Laminate Adhesive
Primer is the concrete bonding adhesive for
use with the Composite Strengthening System.
20/30 Base, hardner
Laminate Adhesive is a two component mixture
It is a 100% solids low viscosity epoxy resin specifically made for bonding Carbon-Fiber (CFK)
able to cure in the presence of moisture and Laminate to the concrete. It is applied to the
at temperatures as Low as 20C. When applied laminate which is then bonded to the concrete.
to sound concrete Composite primer gives It is viscous and gains tackiness in half an hour
high tensile bond strength to the Composite which makes it an excellent adhesion material.
Strengthening system. R&M Non-Prestress Anchor Aplication area
R&M Aggregate
White Cement which is used to prepare
Plates •In Non- PreStress and Pre-Stressing of Carbon-
Putty when mixed with adhesive or Primer in
Aluminum alloy plate which is specially Fiber Laminates
proportionate amount.
designed and manufactured for anchoring the It is used to fill gaps and even the uneven
Non-PreStressed C-Fiber Laminate at the ends so surface.
that the laminate does not peel off from ends.
Application area
•For concrete surface smoothening
•To remove any unevenness putty made with •To remove any unevenness putty made with
adding R&M aggregate into it. adding R&M aggregate into it.
Test recommended Tests Recommended
•Compression, Tensile and Flexural strength test •Tensile and Flextural tests as per IS 4456
as per IS 4456 Part-I •Pull off test for bonding strength
•Pull off test to check the bond with substrata
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6. SERVICES SERVICES
Fiber Wrapping
A Fiber Reinforced Polymer (FRP) composite
is defined as a polymer (plastic) matrix, either
thermoset or thermoplastic, that is reinforced
Pre-Stressing
The pre- stressing of Carbon-Fiber laminate is
(combined) with a fibre or other reinforcing
a very effective way of using the high Tensile
material with a sufficient aspect ratio(length to Application Method Application Method
strength property to much greater extend.
thickness) to provide a discernable reinforcing •Surface Preparation •Surface Preparation and marking
External prestressing with other materials of the
function in one or more directions. Surface is chipped to remove all loose concrete. Surface is well grinded to make clean &
existing structures have always been difficult
There are several situations in which a civil Major cracks are injected with epoxy mortar & even so that marking can be done easily and
especially in view of the materials to be used,
structure would require strengthening or corroded steel is treated with Anti- corrosion adhesive bonds strongly to the concrete. After
reinforcement corrosion, lateral instability, end
rehabilitation due to lack of strength, stiffness, treatment. The surface is then re-profiled. Any which marking of laminate positions and
anchorages and ofcourse space constraints.
ductility and durability. Some common situations surface irregularities are removed. marking of plate , machine area is done.
The advantages of resistance to corrosion and
where a structure needs strengthening during its •Primer Coat •Drilling and bolting
high specific strength make these materials ideal
lifespan are A low viscosity epoxy primer is applied with a After Marking, holes are drilled as per marking
for reinforcing existing structures with minimum
brush to promote adhesion between FRP and and High-Tension bolts are inserted for plate
intrusion. Popular method adopted is bonding
concrete surface. and clamp to be fixed. This should be perfect
them adhesively to concrete structures.
•Surface Leveling and very little error is allowed.
After primer application the surface is checked •Fixing of clamping device and alignment check
again for local irregularities and unevenness. First the clamping device is fixed just behind
This is then filled with putty to make it even. the plate area in the machine area with the
•Fiber Application help of L- Clamps.
Fiber is cut to measured length. In large •Final Alignment check and fixing of laminate
projects fiber is saturated with epoxy using Piston body and plate anre fixed and checked
wet- layup machine and applied to surface. For for alignment. After which the laminate is
shorter lengths the epoxy is applied manually cut to the measured length and fixed in the
and then applied to surface. Rollers are used to clamping device at both ends. Plate and the
remove any bubbles formed and make the fiber piston body is fixed for process to start.
The Company has developed a system which
adhere to the surface properly. •Pre-Stressing
easily and effectively makes it possible to Stress
•Seismic retrofit according to current code •Anchoring fiber wraps The laminate is stretched according to the
the carbon laminate to a designed load and bond
requirements. Fiber anchors are put in the drilled area where design requirements and is pre-determined.
it adhesively to the existing structure to transfer
•Upgraded loading requirements; damage by the fiber wrap overlaps so that it does not peel After sufficient load is given the adhesive
the load on itself to support the structure.
accidents and environmental conditions. or loosen up from ends. is replenished between the laminate and
Applications
•Initial design flaws •Quality assurance concrete surface also the gaps which were
Restoring the Beam and slab load carrying
•Change of usage. During curing time, the fabric is checked developed after stretching are filled with
capacity and also giving it more strength.
Design regularly for any irregularities or bubbles which additional adhesive.
RCC members strengthening.
Complete design of strengthening by using FRP are removed. •Dismantling of Pre-Stress Machinery
composites are performed as per ACI (ACI110R), •Finishing Finally after applying pressure the laminate
Euro Code (Ec8), CEB – FIP (Bulletin14) and After curing a second coat of epoxy adhesive is is kept in the stretched position for a day
Japanese (JBDPA) guidelines. applied and sand sprinkling is done to make it with the help of stoppers. This is done for
Testing rough so that plastering can be done to keep the adhesive to get cured and hard. Hence,
Cube Testing is done extensively over cylindrical the fiber wrap system enclosed and has a long the laminate becomes active i.e. it starts
and rectangular cubes with fiber wrapped system life. supporting the structure(Beam and Slab) by
and they show improved enhancement in their giving a upward force to it.
flextural and compressive strengths.
For bonding strength of fiber wrap Pull-Off test
is recommended which ensures the efficacy of
fiber wrapping.
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7. SERVICES SERVICES
NonPrestressing
Pre-Cured Carbon Fiber composites in the form Application Method Grooved Laminate
of laminates, more popularly known as CFK
laminates, is a new material used for external
•Surface Preparation and Marking
Surface is very well grinded to Level the System
strengthening and retrofitting of RCC members. surface and make it clean. After which Marking Often there are cases in which a rectangular Pre-stressing Systems
As laminates they have a very high tensile of laminate and plates are done for proper column has an aspect ratio greater than 3 i.e. •Surface Preparation and marking
strength to weight ratio, around 8-9 times of positioning of laminate. If required Grooving the longer side dimension is more than three Surface is very well grinded with grinding
steel, which makes it a very suitable material for is also done in cases of uneven surface or in times the dimension of that of the shorter side. machine to make it smooth and easy to work
providing extra strength and hence increasing case of laminates in both direction where It has been proved that fiber wrapping is most on. parallel lines marking on the surface as per
the load bearing capacity of members. overlapping Is happening. effective with circular column and is less with the length of laminate in equal spacing as per
The most common form is Non Pre-Stressed •Preparation of end anchorage square and even lesser in rectangular columns. the design.
laminates mounted on the surface of concrete. To fix the laminates at ends either a groove of This reduction in effectiveness of fiber wrap •Grooving
It increases the shear resistance and flexural 50 mm is prepared in the side wall or anchor increases with the aspect ratio. For round Columns Grooves are done on the
strength. This near surface mounted technique plates are fixed at the ends. in case of fixing The square and rectangular columns are to be marked area to the depth specified in design.
is based on fixing, by epoxy adhesive , CFK anchor plates, drilling and bolting of high given a curvature at the edges. This is done so It is done keeping the width and thickness of
laminates into pre-cut slits opened in the tension bolts is done in the plate area. that the confinement is effective which sharp laminates in mind. For rectangular columns
concrete cover of the lateral surface of beams •Cutting of laminate edges reduce. In case of rectangular columns Each face of the column is marked according to
and slabs. In a clean area away from the resins, the confinement is further reduced due to different its width. It is then grooved to depth specified
When more load is applied on the member slab laminate is carefully measured and cut side lengths. If the aspect ratio is very high the in design.
or beam the laminates become active and share according to the length required. After which a column does not show any effect of increase in •Primer Application and finishing
the load on themselves. Hence increasing the layer of adhesive is prepared over the laminate load carrying capacity achieved by confinement. Adhesion between the fiber wrap and the
load which the member can take. for fixing it with surface. This effect is taken care by partitioning the column, and also to alienate the the fiber wrap,
At the ends of laminate anchor plates, called •Fixing of laminate longer side into parts so that it behaves like a a low viscosity Epoxy Primer is applied with
non Pre-Stressing Plates, are fixed with help of After putting adhesive on the laminate it is square column and give good confinement. The a roller until the column surface is locally
adhesive so that the laminates does not peel off fixed on the surface and the ends are either carbon fiber Laminates are put in grooved spaces saturated. The bad and uneven sectors are
the concrete surface in future. put inside the groove prepared or anchor which are 25-40 mm deep depending on what is corrected and leveled with the help of putty.
plates are fixed. Pressure is applied with the desirable. •Cutting and fixing of laminate
This laminates which are grooved and put inside In a clean area away from any chemical, the
the column also give extra strength in terms of laminate is carefully measured and cut to
shear failures. the required length. Adhesive is applied on
both sides of the laminate it is inserted inside
the groove and is further pushed properly by
rollers.
•Finishing
Finally after inserting Laminates the column
is further confined by means of fiber wrapping
system throughout the length including
help of Rollers so that it is properly stretched junctions.
and pasted on the grinded surface with good
bonding.
Testing •Finishing operation on fixed laminates
Tensile testing of the laminates according to The sides of laminate are covered from both
ASTM standards for their load bearing capacity. sides with more Adhesive to replenish the
Pull-Off test for the bonding strength of adhesive fallen through while carrying out the
adhesive and its efficacy to transfer the loads. process.
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8. SERVICES SERVICES
Column Pre-Stressing
It is an innovative technique for retrofitting uustrav enimiusultum
of columns and joints of a RCC structure. It
involves confining of column with Carbon/ forei par
Epoxy or Aramid/ Epoxy composites. Moreover Dii fauctur, audeste det; nequideris mant. Gra
these confinement belts are Pre-Stressed before •Primer Application move, stritus, sa co vivilis temus, culinerrari ina,
application which changes a lot of things as Primer is applied to increase the adhesion dit. Castiam noctation nonsum confend ucientia
compared to traditional confinement with Fiber and alienate the fiber wrap from the concrete pere et; nostimiure porum sidendem, Patquam
Wrapping. moisture. It also makes the surface smooth and iningulis auctum esus, apes inatur hostrat
This Pre-Stressing has a lot of added advantages. easy to work on. uustrav enimiusultum forei parestum iniri
Pre-Stressing allows us to use the Superior •Fiber Application faciorbem vendam tum inves ina, quam intemen
Properties of FRP composites to a much greater This step is crucial as it fulfils the importance depopubli, Ti. Fecerficae is orum avo, fecena,
extent. The difference lies in Active Confinement of previous prepration steps. It involves fitting mora a rena mentilis, nium Romnit.
and Passive Confinement. Active Confinement is of machine and clamping of Fiber wrap with Um moribus, nit ari pes aut vident, nos catante
done by confineing the column by pre-stressed it. Hydraulic jack is attached to stress the Fiber mquast pos auc rei iptio uteatus tra L. Equid
FRP composites. Which starts taking loads Wrap composite. Pressure is applied through potia neque in publicam siliquo diessentem
while there is no extra load given to column. hydraulic jack attached manually. The fiber is des? quem avere fue in tem con vivir pon
On the other hand Non-Stressed FRP composite stressed to the retrofit design load . rehemus? Ocul hem int, ut iacciost quodiis
becomes active i.e. takes load only when extra •Curing and Quality control solusa tervividefex nos huister ad cles voctuium
load is being applied on to the column. For the next 24 hours the fiber is kept in the averaed eatidet? Rortus fuides aus. Sim delicum
Active confinement is very useful for seismic stretched position with the help of stoppers deres ine perumus faciac tum, quem hilicaelum
retrofitting apart from other strengthening attached to the machine. Column is then conit. consum auro, voc, quam publibem publis.
properties. constantly monitored for any misformation or Artum nes, vid C. Mis. mo in spiorus, condius,
undesirable behaviour. nonclar issenteat.
•Anchor placement and finishing Ox nulum sua iusa vistium intiaci sa it. Huctuus
Fiber Anchors, specially designed to lock the aci consuli nterfec onsimo moricaperem tes ad
overlapping area which completely removes diessenimus, opon diem simolus pertem, ses
any possibility of fiber to peel off the column, por labis hilii per quo viveris? O tum ocre ac re
are put in the previously drilled holes and novitere, esupica tilicae aude adhum
Application Method fixed using the Epoxy Saturant. Finally one
•Surface Preparation more layer of epoxy is applied and then sand
Surface is well Grinded to remove any is sprinkled so that the system is permanently
unevenness and local/sharp undulations. preserved inside and plastering done.
This is done to promote easy application and
adhesion of primer. An innovative technique and machinery for
•Marking retrofitting of columns and joints of a RCC
After Grinding Marking of of machine area structure have been developed by us. It involves
which clamps the fiber and pre-stress it. It confining of column with Carbon/Epoxy or
is crucial for proper fitting of machine and Aramid/ Epoxy Composite-Belts and Pre-
hydraulic jack, to perform stressing of the Stressing it so that it confines the column in
composite while application and to hold it stressed position. This is new and exclusive
in pre-stressed state till it is cured and load technique which enhances the capability of FRP
transfer has happened to confine the columns.
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9. SITES SITES
Reliance Special Economic Flyover, National Highway 7,
Zone (NMSEZ), Navi Mumbai Bangaluru
A change in usage of a 9 storied building At the National Highway 7 (NH 7) between
required the beams to be strengthened. More Bangalore and Hyderabad two Flyovers had
than 200 beams are to be strengthened in each shown Live cracks in the slab. Which were
building to achieve desired result. A full design confirmed by testings carried out. They skew
of Strengthening was proposed which is now box slabs were then strengthened by External
undergoing. strengthening by non- prestress and Pre-stress
The strengthening is done using carbon technology using Cabon Cimposite Laminates
fibre laminates and composite fibre wraping in both the directions forming a grid of Carbon
system. Also composite rods are also used for Fiber laminates.
strengthening.
Column Strength Enhancement
Fiber wraping of columns, and grooved laminate.
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10. SITES SITES
JNPT, Navi Mumbai HPCL, Mumbai
Turnkey Project Turnkey project
Only Transportaion Bridge Between JNPT and The PDA Structure, which supports the various
cities. Due to extensive movement of Heavily accessories of the oil refining, had its columns
loaded cargo verhicles in the past 12 years and beams showing serious cracks and
the bridge has lost its all strength and started reinforcing steel corrosion.
heavily vibrating causing a threat of collapse. Complete repairs and retrofitting of Beams and
Turkey Project involved Strength enhancement columns of the PDA structures
of the spans Structural members are repaired and
Epoxy Grouting, Steel girders installation, strengthened by epoxy modified Epoxy Modified
replacement of almost all damaged Bearings, Mortar, Cement grouting, Epoxy Grouting and
enhancement of girders by external Pre-stressing confinement through fiber wrapping system.
and non-prestressing using carbon fiber laminate
and Carbon- Fiber wrapping system.
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11. SITES
Other Projects
•Mhape Gulraj Hotel
•Universal Hotel Airlink
•Sun-n-Sand Hotel, Indu Projects
•Manthan Plaza, Vakola
•ADPL Hotels
•Sheffields Towers
•Platina Wadhwa complex, Mumbai
•ECCI Park, Chennai
•CCCL, Chennai
•Llyod Hotel
•Syndicate Bank, Mumbai
•SP Info-City, Chennai
•ESIC Hospital
•IIT Madras
•Rashtryia Chemical and fertilizers, Chembur
•Chatrapati Shivaji International Airport, Mumbai
•Bangalore International Airport
•Amba Bhavani Temple
•Private bunglow, Mysore
•Oberai Mall, Goregaon
•Neelyog Square Mall, Aditya Ventures
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12. CONFERENCES LECTURES
WSRR IEI lecture
Workshop on Rehab and retro of structures The Institution of Engineers (India), Maharashtra
28th 30 August State Lectures on “Innovations in Tall Buildings:
This workshop aimed at creating a clear Structural Systems” & “The 90 Day Crisis in
understanding among participants on the Manhattan: The Tale of Teetering tower” by
complete process of investigation, repair, Mr.Ravindra Mysore, President, LeMessurirer Lecture Series at VJTI,Mumbai
strengthening and rehablitation of reinforced FICCI Consultants, USA on Friday, October 30, 2009 A development course on “Structural Audit
and Rehabilitation of Buildings” was held at
concrete buildings and infrastructure. Knowledge Partner
Organized at IIT Bombay WSRR had a VJTI, Mumbai. The lectures were on Structural
participation of more than 200 people from
FICCI jointly with Dept of Chemicals &
Petrochemicals, Govt. of India and R&M
Lecture Series, IIT Bombay Deterioration, Structural Audit, NDT, Structural
industry and educational institutions. A total A series of lecture on Performance-Based Rehabilitation, Heritage structure Protection and
International as the knowledge partner
of 30 papers spanning over all Structural Seismic Design (PBSD) by Subhash C. Goel, Seismic Retrofitting of Buildings. The lectures
organized “International Conference on
Rehabilitation fields, were presented in WSRR. Professor Emeritus, Department of Civil were given by well known experts in the
Construction Chemicals” on February 11-12, 2010
and Environmental Engineering, University of industrial and the Academia space.
at Hall of Culture, Nehru Centre, Worli, Mumbai.
Michigan, Ann Arbor, MI, USA was organized
The aim of the conference was to discuss the
challenges, market opportunities, advance case
successfully on 29th Jan 2009.
Lecture Series at VJTI,Mumbai
studies, strategic tie-ups and technology transfer A development course on “Structural Audit
in the construction chemicals. Lecture on Grand Pagoda and Rehabilitation of Buildings” was held at
The key people participating spanned among Grand Pagoda which was considered for VJTI, Mumbai. The lectures were on Structural
Manufacturers Consultants, Architects Engineers, construction with massive span of 85 meter Deterioration, Structural Audit, NDT, Structural
Contractors Traders, Marketing professionals and seating capacity of 10000 persons keeping Rehabilitation, Heritage structure Protection and
Builders & Supliers. in mind the aesthetics and long lasting of Seismic Retrofitting of Buildings. The lectures
masonory structures. The lead of designing were given by well known experts in the
team, Mr. Mahesh Varma and Proof checking industrial and the Academia space.
consultant Prof. R.S. Jangid (Professor, IIT
Bombay) shared their design and execution
experience during the lecture conducted.
AaKar, IIT Bombay
A platform for young Civil Engineering students
to present their new research findings to a
distinguished panel of Professors from our
Department. More than 100 entries were recived
in the event and A journal was published by IIT
Bombay with the winning entries.
It had lectures conducted by Speakers from
BARC, Central Water Resources and Power
Research Station, ACC, ENSOFT and it was a good
platform for students in civil engineering to
interact with industry.
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13. RESEARCH REASEARCH
JNPT
CPRI, Bangalore In collaboration with Sardar Patel college of
Engineering, tests and instrumentation was
Reactor Safety Division (RSD), BARC along
with Central Power Research Institute (CPRI) carried out in the three spans of the JNPT bridge
Bangalore conducted a round robin exercise and at Karal. Different NDT tests were carried out
theme meeting on pushover test on prototype and sensors were installed at various loacations
Reinforced Concrete structure at CPRI Bangalore. to asses effect of rehabilitation. Following is the MIAL
The test was Asia’s largest pushover test and was IIT Bombay, detail
•NDT tests consisted of Rebound Hammer test
For Showing the effectiveness of the
techniques and materials used at the Chatrapati
one of its kind. The structure built was a replica
of a substructure of an existing office building at A Masters project and Ultrasonic Pulse Velocity test to assess the International Airport tests were carried out. They
BARC. The structure was tested till failure in the A project for fire and heat resistance for Glass quality and durability of concrete present. were follows
tower testing facility present in CPRI. fiber reinforced polymer on structural members •Measurement of deflection using linear •Pull of tests of carbon Fiber wrap and carbon
This structure was then repaired and retrofitted was studied and ways to enhance it were found. Potentiometers mounted at the center of bridge fiber laminate to check its bonding strength and
using Fiber Reinforced Polymer Composites It was found that a coat of vermaceal gives a at the bottom face. hence the efficacy of load transfer.
(FRPC). The institutes/organizations who retention time against fire much higher than a •Measurement of Flexural Strains and shear •Beam test of fiber wrapped beam which gave a
participated in the second phase of the exercise plastered FRP. strains with foil type strain gauges mounted at much higher flexural strength.
included, BARC, NPCIL, DCS&EM, IIT Bombay, IISc All the materials and technical support in centre of girder at bottom face and at the end at •Reinforcement in cube and testing its bond
Bangalore, CPRI Bangalore, SERC Chennai, Thapar collaboration with IIT Bombay professors was an angle of 45 deg. strength with the concrete.
Institute of Technology Patiyala, UVCE Bangalore, provided. This project successfully developed a •Measurement of change in crack-width using
IIIT Hyderabad, SIT Tumkur and PSN College of system for making G-FRP resistant to fire for a omega type displacement transducers. Which
Engineering Tirunelveli, Sardar Patel College of much longer time so that it does not loose its were tested on full capacity loading. SPCE, Mumbait
Engineering, Mumbai. All the Materials used and stresngth and hence the structure becomes more •Measurement of vibrations before and after We have been associated with Sardar Patel
fibre wrapping on the structure was taken care resistance to fire damages. strengthening by piezoelectric accelerometer College of Enginnering and have carried out alot
by R&M International at the site. and full load moving truck to induce vibration of testings and Research work for our products
In order to evaluate the fundamental frequency according to IS codes. and services which are proof-checked by experts
of the structure in the two directions, before Seismic Ability of FRP The results have shown reduction in strains at college.
commencing the pushover test, a free vibration BARC, Mumbai and vibrations hence showing the effect of
strengthening.
All the materials including fibers, laminates
matrix, Primer, adhesive etc have been tested for
test was conducted for the retrofitted structure. The failure of structures due to recent
Highly sensitive accelerometers were placed their properties and application methods.
earthquakes has exposed the vulnerability of
at different floors to pick up the vibration structures to the seismic forces. Hence seismic IIT Madras The company has been involved in constantly
upgrading its products and service by doing
signal generated by the blow of a hammer. Fast retrofitting has come out as an important area All types of fibers were studied for their
Fourier Transform (FFT) of the signal gave the research related to it at the college. Beam
for Research. effectiveness in confining by fiber-wrapping
information on the fundamental frequency of the testing, cube testing, flexural test, tensile tests,
At BARC, Mumbai under Dr. G.R. Reddy. Fiber technique. This was a comprehensive study
structure. bonding strength tests etc are carried out
wrapping has come up as an promising way of which involved testing various variants of
The conclusions involved the effect of fiber over our serviced structure for the improving
retrofitting structures for earthquake resistance. fibers with their thickness and number of layers
wrapping on the structure. The fundamental effectiveness of our services and constant
Tests were carried out on a structure varying.
frequency determination of the structure after upgradation.
strengthened by fiber wrapping. Earthquake For achieving the objective different cube
rehabilitation with fiber wrapping and before A new epoxy was developed and tested
Conditions were simulated and tested for samples were prepared. These samples were
pushover test in two directions were also carried at college with the help of Dooall corpro
earthquake resistance of fiber wrapping. then tested for compresive and flexural strength.
out. The testing gave a insight about earthquake construction chemicals for its breathable
The results gave us the capabilities and
resistance of rehabilitation with fiber wrap and nature which actually increases breathability
limitations of our services so that it can be
also it was shown that almost 100% of strength of concrete and makes the fiber wrapped
further developed and used for betterment of
was gained back by Fiber wrapping on the structure more Durable. The product is still
the technique.
damaged structure. under development phase and is undergoing
upgradation and changes to be used at site.
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14. CLIENTS GROUP OF COMPANIES
21 SHM Consultants
SHM stands for Structural Health Monitoring.
The vision of 21 SHM Consultants is to provide
intelligent Structural solutions for monitoring
structural behaviour in long and short term. We
are involved in monitoring of Bridges, Dams,
Buildings, Tunnels and other structures. Our
IK Industries
We are involved
services include in manufacturing
•Structural Health Monitoring and distribution
- Sensors placement of Construction
- Data Acquisition Chemicals and other
- Modal Analysis civil engineering
- Long term Monitoring industry products for
- Short term Monitoring Waterproofing
compounds.
•Structural Consulting For terrace, podiums.
- Structural Audit Paints, Coatings for steel and Concrete.
- Structural Analysis Anchor plates, fibre sheets.
- Structural Proofchecking
- Quality Assurance
•Concrete Non Destructive Testing
25 26

15. Contact Us
R & M International Pvt Ltd
Office Address: C-2098/99, Oberoi Garden Estate,
Off. Chandivali Farm Road, Andheri(E), Mumbai - 400 072
Tel: +91 22 2857 7810 - 11
Fax: +91 22 2857 7812
Email: info@rminternational.co.in