| Added metal concn. (ppm) |
No. of days |
% change in compressive strength in comparison of control |
| 3 |
7 |
28 |
60 |
90 |
180 |
3 |
7 |
28 |
60 |
90 |
180 |
| Control |
323.4 |
436.0 |
486.0 |
570.0 |
570.0 |
620.0 |
----- |
----- |
----- |
----- |
----- |
----- |
| Cd (1000) |
352.5 |
382.5 |
510.0 |
552.0 |
600.0 |
692.0 |
108.9 |
87.7 |
104.9 |
96.8 |
105.3 |
111.6 |
| Cd (2000) |
380.0 |
486.6 |
556.0 |
556.0 |
600.0 |
706.0 |
117.5 |
111.6 |
114.4 |
97.5 |
105.2 |
113.8 |
| Cd (5000) |
380.0 |
484.0 |
620.0 |
648.0 |
672.0 |
720.0 |
117.5 |
111.0 |
128.0 |
113.7 |
117.8 |
116.1 |
|
