Case Study High Performance Concrete
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Applications in Nuclear power plants Mix proportion of HPC at Kaiga, RAPP and Tarapur Mix Details
Kaiga
RAPP Raft
Cement (Kg) Micro silica (Kg) Water Kg Coarse aggregate (Kg) Fine aggregate (Kg) W/C ratio Superplasticizer
475 35.6 (7.5 %) 163 1092 659 0.32 2.1 %
Tarapur Wall and dome
475 35.6 (7.5 %)
475 425 35.6 (7.5 %) 32.0 (7.5 %)
152 1047 730 0.30 2.4 %
152 1133 721 0.30 2.5 %
151 1017 852 0.33 2.25 %
Properties of fresh concrete Slump 00 Min 30 Min 60 Min Air content % Initial setting time Final setting time
185 130 105 0.95 380 470
215 177 152 1.28 345 415
190 165 135 1.23 370 510
185 160 140 1.25 355 490
Properties of Harden concrete 2
Strength In N/mm Split tensile strength in N/mm2
75.9 4.36
76.4 4.53
74.59 4.78
67.34 4.44
Kaiga
RAPP Raft
Cement (Kg) Micro silica (Kg) Water Kg Coarse aggregate (Kg) Fine aggregate (Kg) W/C ratio Superplasticizer
475 35.6 (7.5 %) 163 1092 659 0.32 2.1 %
Tarapur Wall and dome
475 35.6 (7.5 %)
475 425 35.6 (7.5 %) 32.0 (7.5 %)
152 1047 730 0.30 2.4 %
152 1133 721 0.30 2.5 %
151 1017 852 0.33 2.25 %
Properties of fresh concrete Slump 00 Min 30 Min 60 Min Air content % Initial setting time Final setting time
185 130 105 0.95 380 470
215 177 152 1.28 345 415
190 165 135 1.23 370 510
185 160 140 1.25 355 490
Properties of Harden concrete 2
Strength In N/mm Split tensile strength in N/mm2
75.9 4.36
76.4 4.53
74.59 4.78
67.34 4.44
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