1. RoadstaB
Innovative technologies from Russia
RoadstaB – Q : Soil Stabilizer
RoadstaB – K : Bitumen Modifier
RoadstaB – K1 : Asphalt Rejuvenator
RoadstaB – Bar : Plastic Armature
Presented by: Nikhil Sharma

2. Our Technologies
1.
Soil Stabilization:
A.
B.
C.
2.
Bitumen Modifier:
A.
B.
C.
D.
3.
Decreases the Asphalt mixing temperature up to 120 Degrees
Decreases the pavement temperature to 60 Degrees, Ideal for high altitude
area
Increase Density of Asphalt
Increase water resistance of Asphalt
Asphalt regeneration:
A.
B.
C.
4.
Economy: RoadstaB Technology reduces cost by 20% to 40%
Time Saving: Construction time is reduced by 50%
Life Longevity: RoadstaB Tech enhances the durability by 4 times.
100% rejuvenate asphalt granules, could be used without mixing virgin asphalt.
RoadstaB rejuvenated asphalt properties, exceeds the mechanical properties
of virgin asphalt by 50%
Supports 2 types of processing – Cold and Hot
Plastic Armature:
1.
2.
3.
3 times stronger in tensile strength and 9 times lighter in weight.
Savings in transportation, handling, and labor cost by 90%
Rust proof, non conduction of heat and electricity.

3. Accreditation by IRC

4. RoadstaB Soil Stabilization economy
data
Soil stabilization is an innovative technology, which
removes granular layers, and decreases the crust
thickness. Results in saving:
• Aggregates - 80%
• Asphalt layer - 65%
• Construction time - 50%.
• Enhances durability - 400% with proper maintenance.
• Decreases structural cost - 20-40% depending on the
raw material to be used in structural designing

5. Application areas
• Base structure for highways and state roads.
• Base structure or structure for service lanes
and rural roads.
• Airstrip and helipads.
• Base for civil structures.
• Dirt Roads without wearing course.
• Temporary roads without wearing course.

6. Properties of Road materials as per IRC
37-2012
•
•
•
•
•
E value of BC= 1700-3000 MPa
E value of DBM = 1700-3000 MPa
E value of WMM = 350-450 MPa
E value of GSB = 160 MPa
E value of Subgrade = 60-70 Mpa
• E value of RoadstaB layer = 8200 Mpa

7. Road Construction in India
•
•
•
•
•
•
•
Problems
Mining problem
Heavy traffic
Heavy rain
Flood, higher HFL
Freq. Maintenance
Quality control
Machineries
•
•
•
•
•
•
•
RoadstaB’s Solutions
No aggregate required
Meant to bear heavy load
Water resistant
Stand alone on weaker soil
No maintenance req.
Full engineering supplied
Basic machine req.

8. Basics of flexible pavement 5 MSA
75 mm
250 mm
75mm
75mm
Crust Thickness: 475 mm
Design Satisfying requirement of code IRC 37-2012

9. RoadstaB Semi-rigid pavement Solution
5 MSA
25 mm
100 mm
200 mm
Crust Thickness: 325 mm
Design Satisfying requirement of code IRC 37-2012

10. LOAD TRANSFER SOLUTION

11. IIT Pave Software strain calculation for
RoadstaBsemi-rigid pavement 5 MSA
The comparison of actual strains comes at the critical locations
in compare with the allowable strains are given below.
It shows that the pavement design is safe. Strength Value
taken in design is 1650 MPa, which is 20% of the real value
8200 MPa,.
Allowable strain as calculated
from equations in IRC:37,2012
Actual strain obtained from
IITPAVE
Horizontal tensile strain
Horizontal tensile strain
425.6 x 10-6
Vertical compressive strain on
subgrade 784.4x10-6
24.43 x 10-6
Vertical compressive strain on
subgrade 464.1 x 10-6

12. Durability test from NIT – Surat
as required by IRC
• The maximum permissible percentage
loss in weight recommended for the
stabilized mix to be used in pavement
base course is 20% as per IRC:SP: 892010. The stabilised mix in the present
study satisfies this criterion.
Permissible Loss: 20%
Real Loss 6.46%

13. Modulus of Elasticity
by NIT, Gorakhpur as required by IRC
Material
%
Sand Dust
60
Silty Sand
35
RoadstaB
0.007
Cement
4
CBR
Unconfined Compression UCS Kg/cm2
172.50
30.2
Note: As per IRC 37-2012 E= UCS X 1000
Considering recommendation: E=
2.96X1000 = 2.960 MPA

14. Technical Data
OAO “Russian Highway scientific research institute”“Souzdornii”
(Association of national highway scientific research Institute)
No
Contents in %
UCS after water saturation of 7
days kg/cm2
R-7
R-15
1
Soil Mix – 100%, cement 5%
23.2
13.6
2
Soil Mix-100%, cement 5 %, RoadstaB with OMC
38.7
31.5
Notes:
1.
2.
3.
soil mix.
R7- Strength limit on compression after total saturation
R15- Strength limit on compression after 15 freezing and unfreezing cycles.
Calculation of used stabilizer and cement were taken above 100% of mass of
Conclusion: As per the results after testing of stabilized soils treated by
cement and RoadstaB, qualifies the requirement of Govt standard
235558-94 and freezing resistance F 15 ( 15 cycles of negative temperature to
positive temperature and vise-versa)

15. Central Testing laboratory
ZAO “PO Vozrazdenie” Russia




Contents:
Sand – aggregate 95%
Cement mark 400 – 5%
Stabilizer and organ mineral mix RoadstaB (water soluble activated organmineral admixture) 0.0071%
Physical – Mechanical properties
Compressive strength, MPa R20
UCS
Tensile bending strength
Curing 7 Days
4.9
-
Curing 28 Days
6.5
2.1
6.0
1.5
As per Govt standard 23558-94 for mark M-60
Report: Above specified Aggregate-Sand-Cement mix qualifies the
government standard Govt Standard 23558-94 mark 60.

16. Patna – O mile.
NH-30
Final Surface

22. Processing: Stabilized Mix
For Soil stabilization proper homogeneous mixing is
must. Ideal compaction is necessary.
3 types of processing can be used. Every process has its
advantages and restrictions, to be assessed by the
client and Job site.
1. Mixed in plant (concrete mixer or WMM plant)
paved by paver, and compacted by soil compactor
2. Mixed in specialized stabilization plant, paved by
paver, and compacted by soil compactor
3. In situ mixing by recycler, leveled by grader, and
compacted.

23. In-Plant mixing: WMM or Batch Mix
Concrete mixer.
Advantages:
1. No spl. Machine required
2. Available in all the construction sites.
3. Can be paved by paver.
Restrictions:
1. Slow production
2. Transportation of ready material.
3. Needs calibration
4. Can not crush soil lumps, and rocks if available.
5. Low moisturized granular or powdered material
required .
6. Difficult to use in Monsoon.

24. Specialized Batch Mix stabilization
plant.
Advantages:
1. Fast processing, optimized and accurate.
2. Can brake soil lumps.
3. Can be paved by paver.
4. Accurate and homogeneous mixing.
Restrictions:
1. Transportation of ready mix.
2. Can not crush stone or rocks, if available in
material.
3. Machine cost

25. In Situ mixing by recycler.
Machine available on rent.
Advantages:
1. No transportation of material required.
2. Can crush stone or rocks, work with any material
3. Accurate, and homogeneous mixing.
4. Faster in application.
Restrictions:
1. To be leveled by grader.
2. Machine cost.

26. Application in field by in plant mixing
1.
2.
3.
4.
5.
6.
7.
Removal of biological layer, removal of organics.
Compaction of base.
Preparation of subgrade.
Supply of ready mix from plant.
Paving process by paver.
Compaction to achieve required density.
Structure is ready for further laying of other
layers as per design.

27. Application in field by Recycler mixing.
1.
2.
3.
4.
5.
6.
7.
8.
9.
Removal of biological layer.
Compaction of base.
Preparation of Subgrade
Supply of designed material from borrow area.
Leveled by grader – road bed construction.
Mixing by recycler up to required depth on OMC.
Cambering by grader.
Compaction to the required density.
Structure is ready for further laying of other layers
as per design.

28. We thank you for your valuable
time and consideration.
RoadstaB Team
Add:
Chetak House
Old - Delhi Gurgaon Road
Near CNG filling Station
Kapashera, Delhi 110 037
Ph: +91 9896883663
E.mail: nikhil@roadstab.com
.