Permeable concrete pavement

A brief study on pervious concrete.

1. STUDY OF PERMEABLE CONCRETE PAVEMENT Name Roll No. HARSHIL DODIA 144140010 ROHIT GHADSHI 144140013 TEJAS JADHAV 144140015 SOHAM JOSHI 144140017 MANTHAN MULVEPARAB 144140022 PRATIK VANAM 144140034 CHANDAN PAWAR 144140040 SAYLEE HALDANKAR 144141050 1

2. PROJECT GUIDE PROF. MS. DHANASHRI BEDAGKAR CIVIL AND ENVIORNMENTAL ENGINEERING DEPARTMENT VEERMATA JIJABAI TECHNOLOGICAL INSTITUTE MATUNGA, MUMBAI-400019 (2016-2017) 2

3. CONTENTS : Introduction. Materials required for permeable concrete. Tests on permeable concrete materials. Design. Installation of permeable concrete pavement. Maintenance. Experimental investigation. Summary. 3

4. INTRODUCTION OF PAVEMENTS India has one of the largest road networks in the world, aggregating to about 71 lakh kilometer at present. 4

5. TYPES OF PAVEMENT Rigid pavement Flexible pavement 5

6. PERMEABLE PAVEMENT Allows rainwater to pass through it. Made up of pervious concrete. It is also called as ‘Thirsty concrete’. Environmental friendly. 6

7. TYPES OF PERMEABLE PAVEMENT Permeable concrete pavement Permeable asphalt concrete Porous Paver block 7

8. BENEFITS OF PERMEABLE PAVEMENT Increase the amount of storm water infiltration. Improves the quality of water that enters surface waters and groundwater. Permeable pavement can be provided as Sustainable Urban Drainage System(SUDS) Following are benefits of SUDS: Provides effective management of water Reduces pressure on existing systems Improves quality of water Proves to be better for people and environment Increases property values 8

9. APPLICATIONS CAR PARKINGS SIDE DRAINS SWIMMING POOL DECK SIDE WALKS 9

10. OBJECTIVE OF PROJECT To study permeable concrete pavement. To do experimental studies on permeable concrete by locally available materials. To analyse the importance and benefits of using permeable concrete pavement. 10

11. MATERIALS REQUIRED FOR PERMEABLE CONCRETE Portland Pozzolana Cement (PPC) Coarse aggregate Fly ash Fine aggregates (sand) Potable water 11

12. Portland Pozzolana Cement (PPC) IS 1489-1 (1991) Advantages : Reduces Corrosion Resistance to Alkali-Aggregate Reaction Reduce Heat and Cracking in mass concrete Reduce the Global warming Mitigates Sulphate Attack 12

13. Coarse aggregates Minimum percentage of voids ranging from 32 to 33%. Requires minimum water for lubrication. Gives good workability . Development of bond is poor. 13

14. Fly ash Wastage from thermal power plants. Large amount of fly ash is emitted by power plants which cannot be disposed easily. Thus it has become applicable in civil engineering. 14

15. Fine aggregates Basically sand won from the land or the marine environment. While pervious concrete is considered a “no fines” concrete, a small percentage of fine particles can be added to increase the compressive strength of the pervious concrete mix . 15

16. TESTS ON PERMEABLE CONCRETE MATERIALS Compression test on concrete. Abrasion test on aggregates. Water absorption test. 16

17. COMPRESSION TEST ON CONCRETE It is test used to determine load any concrete specimen can resist (compressive strength). This test is carried out for 7, 14 & 28 days. Compressive strength of concrete depends on many factors such as water-cement ratio, cement strength, quality of concrete material and quality control during production of concrete etc . . 17

18. Compressive strength test is carried on cube of size 15cm x 15cm x 15 cm. Loading rate of compression testing machine is 4 tonnes / min 18

19. Abrasion test on aggregate It is used to determine the abrasion value of coarse aggregates as per IS: 2386 (Part IV) – 1963. Aggregates are tested for abrasion in Los Angeles Abrasion testing machine The test sample should consist of clean aggregates which has been dried in an oven at 105 to 110 o C. Aggregates are made to pass through 1.7mm IS sieve. 12 no. of abrasive charges are used. 19

20. WATER ABSORPTION TEST ON PERMEABLE CONCRETE Water absorption by immersion gives an estimation of total percentage of water absorbed by the concrete. 20

21. TEST PROCEDURE 100 mm diameter x 200 mm height cylinder 28 days curing Oven dried for 24 hours. Then weight the specimen ( W1 ) Specimen kept in hot water at 85°c for 3.5 hours and then weighed ( W2). 21

22. Following formulae is used to find % Water absorption. % Water absorption = [(W2-W1)/W1] x 100 Where, W1= oven dry weight of cylinder in grams W2 = wet weight of cylinder in grams 22

23. DESIGN OF PERMEABLE PAVEMENT Permeable pavements must be designed to achieve two aims: 1.Support the traffic loads. 2.Manage surface water effectively (i.e. provide sufficient storage).   23

24. SYSTEM A – TOTAL INFILTRATION 24

25. SYSTEM B – PARTIAL INFILTRATION 25

26. SYSTEM C – FULL ATTENUATION 26

27. HYDROLOGICAL DESIGN 27

28. STRUCTURAL DESIGN 28

29. Why it is required ? To determine Base / sub-base thickness To determine its working condition under pressure To determine soil stability 29

30. Points to be considered Outflow rate: Outflow rate from drains approximated by, q u = kxm q u  = outflow through under drain, feet/hour k  = Coefficient of permeability for each 6 inch diameter under drain, feet/hour m  = under drain pipe slope, feet/feet 30

31. 2.Under drain 31

32. INSTALLATION OF PERMEABLE CONCRETE PAVEMENT Installation of permeable concrete include following processes : Sub-grade and sub-base preparation. Batching and mixing. Transportation. Placement. Joint placement. Finishing. Curing. Open to traffic. 32

33. INSTALLATION OF PERMEABLE CONCRETE PAVEMENT Sub-grade and sub-base preparation Batching and mixing Placement Joint placement 33

34. Finishing Curing Opening to traffic 34

35. MAINTENANCE AND OPERATIONS 35

36. a. Routine maintenance This routine maintenance should be performed as needed to keep the entire pervious concrete area clean. The following types of routine maintenance are: Blowing (Leaf blower). Truck sweeping. 36

37. b. Periodic maintenance Periodic maintenance is done as the temperature changes mainly in winter (according to season) to remove any anti-skid materials. Two main classes of street sweepers: Mechanical street sweepers. Vacuum street sweepers. 37

38. c. Annual maintenance Annual maintenance is the maintenance which is performed annually (once in a year). The following types of annual maintenance are: Deep cleaning or un clogging . Use of chemicals & Pressure washing. 38

39. d. Other maintenance The types of other maintenance are: Winter Maintenance. Oil & Grease Stains. 39

40. Pavement distress identification The second area of operation and maintenance is remediation of physical defects in the pavement. Most common distress in pavements: Raveling Joint deterioration Sealing 40

41. Raveling, Joint deterioration and Sealing 41

42. EXPERIMENTAL INVESTIGATION COMPRESSIVE STRENGTH OF PERMEABLE CONCRETE BLOCK 42

43. Most paving material in use today is fairly impervious . Water! Waaater ! Also, oil pollution (motor oil, anti-freeze, etc.) that leaks out onto impervious pavement remains on the surface until it rains, when it’s oil washed into rivers and streams. Someday you’re going to eat me Pervious concrete, on the other hand, is porous, allowing liquids to seep slowly through to the soil underneath. Hurry up! Pollutants cling to the vast surface area within this material, which gives micro-organisms time to break them down into much less toxic chemicals before they enter the groundwater. mmm …petroleum products….. And of course, it’s much easier to grow trees in areas where water and air can reach the soil and roots below. Normal concrete Pervious concrete Sooo …. Thirrrstyyy … Pervious Concrete 43

44. Work has to be done- Material characterization. Storm water Management. Model of permeable concrete pavement. 44

45. REFERENCES: www.nrmca.org www.perviouspavement.org www.paving.org.uk www.marshalls.co.uk/wm http://www.environment-agency.gov.uk http://www.greenspec.co.uk/greening-of-concrete.php http://www.cement.org/ http://www.fcpa.org/   Articles:   Urban waterways permeable pavement article – published by: NC state university CIRIA, the SUDS manual, 2007 Pervious Concrete Pavement, CT032, August 2003, Portland Cement Association 45

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