1. 1. PROJECT TITLE: Experimental investigation on partial replacement of cement with alccofine in conventional concrete. BY: BIBASISH PAUL (11605013) PRABESH POUDEL(11605034) SHAHBAZ KHAN(11605042) V. KARTHICK ( 11605502) S. RAGUL PRASANNA ( 11605036) K. GOPI NATH (11605018) GUIDED BY: KALYAN CHAKRAVARTHY
2. 2. OBJECTIVES : The objective of the study are to assess the mechanical properties by the partial replacement of cement with alccofine in conventional concrete .
3. 3. FIELDS OF APPLICATION: RCC residential, commercial structures High rise structures Temperature controlled self-compacting concrete Post tension / pre stressed concrete slab Construction grouts, plasters, repair mortars
4. 4. LITERATURES:
5. 5. Sl no. TITLE OF PAPER Author Journal name Year of release 1. Effect on compressive strength of high performance concrete incorporating alccofine and fly ash. Siddharth p upadhyay Journal of international academic research for multidisciplin ary March 2014 Brief explanation: Compressive strength of high performance concrete with replacement of cement alccofine and fly ash and also with natural sand to manufactured sand.
6. 6. The addition of shows an early strength gaining property and that of fly ash shows long term strength. Result obtained: Mix AF1 AF2 AF3 AF4 AF5 AF6 AF7 AF8 AF9 % of FA 30 30 30 30 30 30 30 30 30 % of AF 4 6 8 10 12 4 6 8 10 w/c 0.45 0.45 0.45 0.45 0.45 0.5 0.5 0.5 0.5
7. 7. Maximum compressive strength at different days: Days 3 7 28 AF4 33.30 Mpa 46.6 Mpa 71 Mpa AF9 38.5 Mpa 47.15 Mpa 73.8 Mpa 0 20 40 60 80 3 days 7 days 28 days AF4 AF9
8. 8. Sl no. TITLE OF PAPER Author Journal name Year of release 1. Study on effect of alccofine and fly ash addition on the mechanical properties of high performance concrete. Mr. sunil suthar Journal of international scientific research and development 2013 Brief explanation: M 70 grade concrete usage and evaluation of compressive strength and flexural strength of concrete, and the cement is partially replaced with alccofine, fly ash, silica fume.
9. 9. Compressive strength: Days Alccofine mix.compressive strength ( Mpa) Silica- fume mix compressive strength Mpa 7 41.969 40.07 28 54.88 47.11 56 72.97 67.73 0 20 40 60 80 7days 28 days 56 days alccofine mix silica fume mix
10. 10. Flexural strength: Days Alccofine mix.compressive strength ( Mpa) Silica- fume mix compressive strength Mpa 28 5.75 5.15 56 6.42 6.09 0 2 4 6 8 28 days 56 days alccofine mix silica fume mix
11. 11. Sl no. TITLE OF PAPER Author Journal name Year of release 1. Hardened properties of concrete made with micro silica and alccofine A performance optimization based compressive study Preveen nayak International journal of engineering and development August 2014 Brief explanation: Main parameter investigated in this experiment is addition of micro silica an alccofine , by keeping maximum cement content 450 Kg constent and water content 144 kg for all mixes.
12. 12. Variation of compressive strength with addition of different percentage of micro silica: % variati on of cemen titious mater ials Compressive strength ( N/ mm2) Micro silica ( no. of days) Alccofine ( no. of days) 0 19.5 39.3 49.2 59.2 19.5 39.3 49.2 59.2 3.34 24.3 40.9 57.8 66.8 24.8 41 54 68.5 6.68 34.0 51.8 60.1 73.3 39 53.7 61.1 84.1
13. 13. Sl no. TITLE OF PAPER Author Journal name Year of release 1. Experimental study on High performance concrete, with mixing of alccofine and fly ash Deval Sonil Research paper engineering May 2013 Brief explanation:
14. 14. EXPERIMENTS: TEST ON CEMENT: 1. Consistency . 2. Initial setting time . 3. Final setting time . 4. pH value. 5. Slump cone test
15. 15. DETERMINATION OF SPECIFIC GRAVITY OF CEMENT AND ALCCOFINE: Specific gravity of cement : 2.55 ( PPC ) Specific gravity of alccofine : 2.53
16. 16. TEST NO. 1 Determination of Normal Consistency of Cement Trial no Weight of sample ( in gm) Water added Penetration test In% In ml 1 300 28 84 34 2 300 30 90 27 3 300 32 96 5 Plunger read
17. 17. Determination of Normal Consistency of partial replacement of cement with 4% alccofine: TEST NO. 2 Trial no Weight of sample ( cement) Alccofine added Water added Penetration testIn% In ml 1 28 84 36 2 288gms (300-12) gms 12 gms( 4%) 30 90 31 3 32 96 5
18. 18. Determination of Normal Consistency of partial replacement of cement with 16% alccofine: TEST NO. 3 Trial no Weight of sample ( cement) Alccofine added Water added Penetration testIn% In ml 1 28 84 32 2 252gms (300-48) gms 48 gms( 16%) 30 90 34 3 32 96 17 4 34 102 6 PLUNGER
19. 19. TEST NO:4 INITIAL SETTING TIME: Amount of cement = 300gms Amount of water added = 0.85 times water quantity from cement consistency =(0.85*96)ml = 81.6ml
20. 20. s.no Weight of cement % of water added Starting time Closing time 1 300 81.6ml 0 32min
21. 21. TEST NO:5 INITIAL SETTING TIME: ( 4% alccofine) Amount of cement = 288gms Amount of alccofine = 12gms Amount of water added = 0.85 times water quantity from cement consistency =(0.85*96)ml = 81.6ml
22. 22. s.no Weight of cement Alccofine added % of water added Starting time Closing time 1 200 gms ( 300-12) 12 gms 81.6ml 0 34.2 min
23. 23. TEST NO:6 INITIAL SETTING TIME: ( 16% alccofine) Amount of cement = 252gms Amount of alccofine = 48gms Amount of water added = 0.85 times water quantity from cement consistency =(0.85*102)ml = 86.7ml
24. 24. s.no Weight of cement Alccofine added % of water added Starting time Closing time 1 252 gms ( 300-48) 48 gms 102 ml 0 36.2 min
25. 25. Plunger = needle shaped (1mm dia) INITIAL SETTING TIME = 32mins (shouldnt be less then 30mins)
26. 26. TEST NO : 7 FINAL SETTING TIME the time taken upto when the plunger on vicat apparatus marks no impression of mould surface is final setting time It generally should range between (8to10)hrs FINAL SETTING TIME _ 10 HRS
27. 27. WORK DONE ( 20TH MARCH ) We determined of normal consistency of cement by replacement of cement with 4% and 16% alccofine. We determined initial setting time by replacing cement with 4% and 16% of alccofine. We setup two model cement small cube of dimension 50 mm * 50 mm* 50 mm with 4% of alccofine and 16 % of alccofine.
28. 28. All these tests were conducted by using PPC ( portland pozzalanic cement) of M 25 grade. Mix ratio adopted : 1 : 1.38 : 2.46
29. 29. Conventional slump cone test: Sl. No Water cement ratio Slump ( cm) Type of slump ( remark) 1 0.35 28 ( 30-2) 28 ( perfect slump) 2 0.4 17 (30-13) 17 ( shear slump) 3 0.45 5 (30-25) 5( collapse )
30. 30. 4% alccofine slump cone test: Sl. No Water cement ratio Slump ( cm) Type of slump ( remark) 1 0.35 29 ( 30-1) 29 ( perfect slump) 2 0.4 18 (30-12) 18 ( shear slump)
31. 31. 8% alccofine slump cone test: Sl. No Water cement ratio Slump ( cm) Type of slump ( remark) 1 0.35 27 ( 30-3) 27 ( true slump) 2 0.4 17 (30-13) 17 ( shear slump)
32. 32. 16% alccofine slump cone test: Sl. No Water cement ratio Slump ( cm) Type of slump ( remark) 1 0.35 30 30 ( perfect slump) 2 0.4 26 (30-4) 26 ( true slump) 3 0.45 16 (30-14) 16( shear )
33. 33. TEST NO : 8 CONVENTIONAL TESTS: No of cubes cement Fine aggregate Coarse aggregate w/c ration 1 1.840 kg 2.540 kg 4.528kg (0.4*1.840)=0.7 36 L 4 7.360kg 10.160 kg 18.112 kg 2.344 L
34. 34. TEST NO : 9 Replacement of cement with 4% alccofine: No of cubes Cement Fine aggregate Coarse aggregate w/c ratio 0.40 Alccofine 1 (1840- 73.6)gms =1.766 Kg 2.540kg 4.528kg 0.736 L 73.6gms 6 10.5984 Kg 15.24kg 27.168kg 4.416 L 441.6 gms
35. 35. TEST NO : 10 Replacement of cement with 8% alccofine: No of cubes cement Fine aggregate Coarse aggregate w/c ratio 0.4 Alccofine 1 (1.840- 0.147)kg =1.6928 kg 2.540kg 4.528kg 0.736 L 147.2gms 6 10.156kg 15.24kg 27.168 kg 4.416 L 883.2 gms
36. 36. Work done ( 26th march): We setup 6 conventional cube . We setup 6 cube for 4% replacement of cement with alccofine for testing in 7 days and 14 dayas. We setup 6 cubes for 8 % of replacement of cement with alccofine for testing 7 days and 14 days.
37. 37. TEST NO : 11 Replacement of cement with 16% alccofine: No of cubes cement Fine aggregate Coarse aggregate w/c ratio 0.45 alccofine 1 (1.840- 0.294)kg =1.546kg 2.540kg 4.528kg 0.828l 0.294kg 6 9.27kg 15.24kg 27.168kg 4.968 l 1.766 kg
38. 38. Work done ( 27th march): We setup 6 cube for 16% replacement of cement with alccofine for testing in 7 days and 14 days. As in slump cone test the shear slump was found at 0.45 w/c ratio.
39. 39. 25% alccofine slump cone test: Sl. No Water cement ratio Slump ( cm) Type of slump ( remark) 1 0.4 30 30 ( perfect slump) 2 0.45 26 (30-4) 26 ( true slump) 3 0.5 16 (30-14) 16( shear )
40. 40. TEST NO : 12 Replacement of cement with 25% alccofine: No of cubes cement Fine aggregate Coarse aggregate w/c ratio 0.5 alccofine 1 (1.840- 0.460)kg =1.38kg 2.540kg 4.528kg 0.92 L 0.460kg 6 8.28kg 15.24kg 27.168kg 5.52 L 2.760 kg
41. 41. Work done ( 1st april): We setup 6 cube for 25% replacement of cement with alccofine for testing in 7 days and 14 days. As in slump cone test the shear slump was found at 0.5 w/c ratio.
42. 42. Future plan: Setup cubes for 50 % replacement Setup cubes for 75 % replacement Setup cubes for 100% replacement