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Experimental Work on Previous Concrete for Pavement Applications
International Research Journal
of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 09 Issue: 08 | Aug 2022 www.irjet.net p-ISSN: 2395-0072 © 2022, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page 56 Experimental Work on Previous Concrete for Pavement Applications D.Sravya1, B.Srinivas2, D.Kranthi3 , SK.Gouse Basha4, A.Gopi Krishna5 1Guide & Assistant Professor of Department of civil Engineering, Velaga Nageswara Rao (VNR)College of Engineering, (Approved by AICTE and affiliated to JNTUK, Kakinada), G.B.C. Road, Ponnur–522124, GUNTUR, A.P-INDIA. 2,3,4,5 UG, Student, Department of civil Engineering, Velaga Nageswara Rao (VNR) College of Engineering, (Approved by AICTE and affiliated to JNTUK, Kakinada), G.B.C. Road, Ponnur–522124, GUNTUR, A.P-(INDIA). ---------------------------------------------------------------------***--------------------------------------------------------------------- Abstract -Construction activities mainlydependon natural resources as a source of raw materials, leading to ecological imbalance. So, the construction industries tend to depend on alternative materials as the source of aggregates in concrete production. Generally, changes in the natural landscape have created a serious problem of rainwater drainage in many citiesinIndia. ThePreviousconcretehasbeen used in this experimental work. In this study, pervious concrete 15% to 40% voids can be achieved without use of fine aggregate. Generally, single size coarseaggregatesareusedfor the development of mixture design of pervious concrete. However, the quality of previous concrete resulting different from conventional concrete. Thus, this study aims to improve the property of previous concrete through different applications. The void ratio has been comparedtopreviousand conventional concrete. The Cementcontentof250kg/m3 to400 kg/m3 with an interval of 50 kg/m3 was used in the development of mixturedesignofperviousconcrete.Thedensity of previous concrete is increased while improve of cement content. The development of mixture design of pervious concrete, two different sizes ofcoarse aggregatesof10mm–20 mm and 4.75 mm – 10 mm were used in thisexperimentalwork. Key Words: Workability, Compressive strength, Void Ratio, Density. 1. INTRODUCTION Rapidlygrowinganduncontrolledchangesinthenatural landscape have created a serious problem of rainwater drainage in many Indian cities. With natural disasters like floodsincreasing every year,thereisaneedtosetupspecific water disposal systems in urban and semi-urbanareas.Due to lack of modern drainage infrastructure in most of the cities of India,this problem is increasing day by day. During monsoons, mostof the rain watercollects on the roads. Due to lack of proper design ofdrainage system, rain water is seen on the road. In most cities, the drainage systems are alreadycloggedandintheeventofarain,waterisseenonthe road.Duetothisreasontrafficisjammedin the rain and it is also a serious health hazard for the locals. This problem is serious in large cities and industries, where roads are constructed without designing a sewerage system in most open areas. During rains, road water remains stagnant for hours at a time due to poor storm water management. This causes erosion of the road anddecreasestheageoftheroad. In the old cities, outlets were provided for rainwater disposal whichdivertedrainwaterintotheriver. The design of these outlets was so arbitrary that rainwater would reach the lower pointof its own topography. Foot wells were a common feature of old cities designed to redirect rainwater into groundwater. This type of storm water management design is no longer seen due to unplanned urbanization. Cities are also replacing impermeable land with impermeablesurfaces.Theproblemis exacerbatedby thefactthatthedrainsdonotgetenoughslopetodrawWater from the surface water. In our country, industries and cities are facing water crisis due to over-exploitation of groundwater and lack of provision for ground water recharge. Ground water level is constantly falling. Falling waterlevelsarealsodeepeningthewell inliftingwater. Pervious concretes have been used in many area, but its applications are limited because of its relatively low strength. Tennis et al. (2004) reported the applications of pervious concretewerein many areas such as low volume pavement, residential roads, sidewalks, parking lots, low water crossings, and tennis courts, sub base of conventional concrete pavement, patios, artificial reefs, slope stabilization, well linings, and tree gates in sidewalks, hydraulic structures, swimming pool decks, pavement edge drains and noise barriers. Indianeconomy is developing at a rapid pace and hence conservation of natural resources is ofutmost importance. Pavement can be considered as a life line for progress of any nation. Modern day infrastructure calls for use of impervious surfaces of pavement which results intolesser percolation of water into the soil. This leads to faster, larger volume and highly polluted water from run-off reaching treatment plant leading to imbalance in ecosystem. Therefore,moderncementconcretepavement cannot be a viableoptionforwaterrecharging. India is mainly dependent on rain to meet its water requirement which is plenty during monsoonseason. In monsoon, every city faces a serious problem of water logging and municipality
International Research Journal
of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 09 Issue: 08 | Aug 2022 www.irjet.net p-ISSN: 2395-0072 © 2022, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page 57 have to paya heavy cost to evacuate logged water. Fig -1: Methods for disposed rain water 1.1 Previous concrete Pervious concrete is a mixture of cement, coarse aggregates and water. Fine aggregates are notused in the mixture of pervious concrete. In pervious concrete 15% to 40% voids can be achieved without use of fine aggregate. Generally, single size coarse aggregates are used for the development of mixture design of pervious concrete. In pervious concrete,carefullycontrolledamountsofwaterand cementitious materials are used to create apaste that forms a thick coating around aggregate particles. Fig -2: Previous concrete cube 1.2 Applications Pervious concretes have been used in many areas. Its applications are limited because of its relativelylow strength. The applications of pervious concrete werein many areas such as low volume pavement, residential roads, sidewalks, parking lots, low water crossings, and tenniscourts,subbaseof conventional concrete pavement and patios. The artificial reefs, slope stabilization, well linings, and tree gates in sidewalks, hydraulic structures, swimming pool decks, pavement edge drains and noise barriers. Table -1: Comparison of Properties of Conventional Concrete and Pervious Concrete 2. EXPERIMENTAL PROGRAMME The materials used for preparing the pervious concrete during the present investigation are natural coarse aggregate, VSI coarse aggregate, cement, water and chemical admixture.Ordinary Portland cement, as per IS 12269 (2013) is used for the present investigation. The physical properties of ordinary portland cement are presented in Table-2 Table -2: Properties of physical of OPC Properties for 53 grade OPC Result Availed Specifica tion in IS 1226 9 (201 3) Fineness in m2/kg 351 Min 225 Soundness By Le chatelier method in mm 0.4 Max 10 Initial setting time in minutes 35 Min 30 Final setting time in minutes 240 Max 600 3 days compressive strength in MPa 28.75 Min 27 7 days compressive strength in MPa 39.85 Min 37 28 days compressive strength in MPa 54.47 Min 53 Specific Gravity 3.15 3.15 Properties Conventional Concrete Pervious Concrete Void Ratio 3% -5% 15% - 40% Compressive Strength 20 MPa- 50 MPa 5 MPa – 25 MPa Density 2400 kg/m3 to 2500 kg/m3 1800 kg/m3 to 2100 kg/m3
International Research Journal
of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 09 Issue: 08 | Aug 2022 www.irjet.net p-ISSN: 2395-0072 © 2022, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page 58 2.1 Mix-Proportion of Pervious Concrete For development of mixtureproportioningofpervious concretetarget properties are assumed as shown in Table 3.8. Target properties of pervious concrete are assumed based on NRMCA (2004) guideline. Target properties of pervious concrete are assumed for the construction of pervious concrete pavement for parking area at Gujarat. By this study area same pattern can be applicable in Guntur city, that can help public. Table -3: Study report of properties of previous concrete Present investigation is also carried out on 20 mm -10 mm coarse aggregates for the development of mixture proportioning for the pavement applications. Table-4 showsmixtureproportiondevelopedusing20mm–10mm (Size B) natural coarse aggregates.Fortheenhancementof the properties of perviousconcretefurtherinvestigationis carried out by replacing natural crushed aggregates with VSI aggregates. An attempt has been made to improve the properties of pervious concrete using VSI aggregate on selected mixture proportion. Casting procedure plays a very important role with respect to all properties of fresh as well as hardened pervious concrete. First of all weighing and batching process of all ingredients of pervious concrete such as cement, coarse aggregate and water is done with high accuracy before starting the mixing process. For the mixingofmaterialsofperviousconcrete panmixeris used. First aggregates are taken in the pan mixture followed by the cement. Dry mixing of materialisdone.Waterisadded and mixing is done till the uniform consistence of the perviousconcrete mix is achieved. The mixingof pervious concrete. No chemical admixture is used for the preliminary investigation of development of mixture proportion has been done. Table -4: Mix-proportion for Pervious Concrete using Coarse Aggregate Fig -3: Rodding of previous concrete 3. RESULTS AND DISCUSSION Preliminary laboratory investigation is carried out to develop mixture proportioning for pervious concrete pavement. Tables-5 shows the mix proportions that are selected for initial laboratory investigation for the development of mixture proportion of pervious concrete. Forthedevelopmentofmixturedesignthecementcontent is used in the range of 250 kg/m3 to 400 kg/m3 as presented in Table-5. Laboratory investigation has been done on two sizes of aggregates for the development of mixture design of pervious concrete. For the mixture design development 10 mm – 4.75mmand20mm-10mm of coarse aggregates are used. In the laboratory investigation properties of pervious concrete are found Mixture No. Cement (kg/m3) Aggregates (kg/m3) W/C M 1 250 1000 0.3 M 2 0.35 M 3 0.4 M 4 300 1200 0.3 M 5 0.35 M 6 0.4 M 7 350 400 0.3 M 8 0.35 M 9 0.4 M 10 375 1500 0.3 M 11 0.35 M 12 0.4 M 13 400 1600 0.3 M 14 0.35 M 15 0.4 Propertie s Target NRMCA (2004) Compres sive Strength 12 MPa- 15 MPa 3.5 MP a- 28 MP a Void Ratio 20 % 15% - 25% Density 2000 kg/m3 - 2200 kg/m3 1600 kg/m3 - 2200 kg/m3 Permeabi lity 10 mm/s - 20 mm/s 2 mm/s - 20 mm/s
International Research Journal
of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 09 Issue: 08 | Aug 2022 www.irjet.net p-ISSN: 2395-0072 © 2022, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page 59 such as compressive strength, void ratio,permeabilityand density. Details of investigation results are shown in following section. Table -5: Properties of Pervious Concrete using Coarse Aggregates (10 mm –4.75 mm) Mi x No . Ceme nt (kg/m 3) w/ c Compress ive Strength Void conte nt % Permeabil ity (mm/s) Densit y (kg/m 3) (MPa) M 1 0.3 3.71 25.12 23.28 1950. 5 M 2 250 0.4 4.67 24.5 22.21 1975. 1 M 3 0.4 5.12 23.7 21.98 2105. 3 M 4 0.3 5.5 24.98 20.69 2003. 2 M 5 300 0.4 6.1 23.95 19.76 2115. 4 M 6 0.4 6.98 23.1 19.41 2150. 8 M 7 0.3 7.53 24.1 18.6 2010. 3 M 8 350 0.4 8.65 23.18 18.1 2127. 2 M 9 0.4 9.1 22.97 17 2175. 3 M 10 0.3 9.3 23.5 16.5 2020. 21 M 11 375 0.4 13.49 22.88 15.37 2137. 12 M 12 0.4 14 21.5 14.98 2185. 5 M 13 0.3 15.1 22.75 13.2 2112. 5 M 14 400 0.4 16.98 21.1 12.2 2198. 9 M 15 0.4 17.1 18.88 11.5 2217. 4 Chart -1: Compressive strength Chart -2: Relationship between w/c and Density Chart -3: Relationship between Density and void content 4. CONCLUSIONS Cement content of 250 kg/m3 to 400 kg/m3 with an interval of 50 kg/m3 was used in the development of mixture design of pervious concrete. It has been observed that higher cement content created more cementpasteforperviousconcrete.Itfurtherreduced the void ratio and permeability of the pervious concrete. Densityofperviousconcreteincreasedwiththeincrease of the cement content. On the other hand, lesser cement content reduced the compressive strength of the pervious concrete. This way cement content in the rangeof350kg/m3 to 375 kg/m3 was found to be good enough to generatecement pasteforbetterworkability and meeting with the requirement of other properties for pervious concrete. For the development of mixture design of pervious concrete, two different sizes of coarse aggregates of10 mm – 20 mm and 4.75 mm – 10 mm were used. From the preliminary investigation results, it has been observed that changing the coarse aggregatesizehada very limited influence on changes in the void ratio,
International Research Journal
of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 09 Issue: 08 | Aug 2022 www.irjet.net p-ISSN: 2395-0072 © 2022, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page 60 permeability and density as compared to the compressive strength for pervious concrete. It was observed that 4.75 mm-10 mm size coarse aggregates have larger surface area and hence, more cement paste is utilized in covering the coarse aggregates. Therefore, the compressive strength ofthe perviousconcrete is improved. Different ranges of w/c ratio i.e. 0.3, 0.35 and 0.40 were used for the development of mixture design of pervious concrete. Using 0.3 and 0.35 water cement ratio, the pervious concrete mix obtained was not found to be more workable. Use of 0.4 water cement ratio was found sufficient to prepare cohesive and workable pervious concrete mixture. The workability of mixturewasmeasured by preparing a hand ball of the pervious concrete. Adequate paste for the pervious concrete was generated by using 0.4 w/c ratio. The properties such as compressive strength, void ratio and permeability of the pervious concrete made above range of w/c ratio were found in order. REFERENCES [1] American Concrete Institute (ACI). “Report on Pervious Concrete”, ACI 522 Committee Report, Farmington Hills, MI: ACI (2010). [2] Ajamu, S. O., A. A. Jimoh, and J. R. Oluremi. "Evaluation of structural performance of pervious concrete in construction." International Journal of EngineeringandTechnology2.5(2012):pp.829-836. [3] Aoki, Yukari. “Development of Pervious Concrete.” Thesis of master of engineering, University of Technology, Sydney (2009): p. 130 [4] Alaica, Amanda Lidia, Anto S, Medhat S. “Optimizing the Strength and Permeability of Pervious Concrete.” The 2010 Annual Conference of the Transportation Association of Canada, (2010): p 7. [5] Anderson, Ian A., Mark Suozzo, and Mandar M. Dewoolkar. Laboratory and field evaluations of pervious concrete 13.07 (2013). p 50 [6] Solis, Andrea Valdez. “Analyzing environmental and structural charactersitics of concrete for carbon mitigation and climate adaptation in urban areas: A case study in Rajkot, India”. University of Coloradoat Denver (2013). [7] Ashley, Erin. "Using pervious concrete to achieve LEED points." Concrete In Focus, NRMCA, Winter (2008). [8] ASTM C1688 “Standard test method for densityand void Content of Freshly Mixed PerviousConcrete,” Annual Book of ASTM Standards 4.2 (2008). [9] ASTM C1701, “Standard TestMethod forInfiltration Rate of In Place Pervious Concrete." (2009). [10]Bengtsson, Magnus, and C. Magnus Evertsson. “Measuring characteristics of aggregate Material from Vertical Shaft Impact Crushers.” Minerals Engineering, vol. 19, no. 15, (2006): pp. 1479–1486 [11] Bean,E., Hunt, W., and Bidelspach, D. “Field survey of permeable pavement surface infiltration rates”. Journal of Irrigation and Drainage Engineering 133(2007): pp. 249– 255 [12] Chopra, M., Wanielista, M., Ballock, C., & Spence, J., "Construction and maintenance assessment of pervious concrete pavements." Research supporting sustainable development (2007): pp. 1-164 [13] Crouch, L. K., Jordan Pitt, and Ryan Hewitt. "Aggregate effects on pervious portland cement concrete static modulus of elasticity." Journal of materials in civil engineering 19.7 (2007): pp. 561- 568. [14]Coleri, Erdem, Masoud Kayhanian, and John T. Harvey. "Permeability of Porous Friction Course Pavements: Before and After Accelerated Pavement Tests." Transportation Research Record 2456.1 (2014): pp. 21-29. [15]CRMCA–Colorado Ready Mixed Concrete Association. "Specifier’s Guide forPerviousConcrete Pavement Design–Version 1.2 (2010): p 24 [16]Delatte, Norbert, Aleksandar Mrkajic, and Daniel I. Miller. "Field and laboratory evaluation ofpervious concrete pavements." Transportation Research Record 2113.1 (2009): pp. 132-139. [17]Deo, Omkar, and Narayanan Neithalath. "Compressive response of pervious concretes proportioned for desired porosities." Construction and Building Materials25.11(2011):pp.4181-4189. [18] Fabro, F., Gava, G. P., Grigoli, H. B., & Meneghetti, L. C.“Influence of Fine Aggregates Particle Shape in the Concrete Properties.” Revista Ibracon de Structures E Materials, Vol. 4 (2014): pp. 191–212.
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