Sample No.41. 60% Gravel + 40% Sand-lime brick W/C Ratio 0.50 Observations | ||||||
Cycles | Start | 10 | 20 | 30 | 40 | 50 |
Length (*0.01 mm) | 203.4 | 201.6 | 208 | 232 | 203 | 206 |
Weight (g): | 11,859 | 11,864 | 11,867 | 11,869 | 11,867 | 11,869 |
R frequency (Hz): | 4166 | 4001 | 3970 | 3916 | 3873 | 3844 |
Dyn. Mod. (N/mm’) | 41,164 | 37,965 | 37,388 | 36,413 | 35,577 | 35,050 |
Reduction in dynamic modulus = 14.8% Increase in length = 0.005% (max 0.057%) | ||||||
Sample No.42. 60% Gravel + 40% Sand-lime brick W/C Ratio 0.385 Observations | ||||||
Cycles | Start | 10 | 20 | 3 O | 40 | 50 |
Length (*0.01 mm) | 231 | 229 | 240 | 254 | 243 | 244 |
Weight (g): | 11,938 | 11,939 | 11,942 | 11,943 | 11,942 | 11,943 |
R frequency (Hz): | 4104 | 4041 | 4027 | 4008 | 3997 | 3984 |
Dyn. Mod. (N/mm’ ) | 40,2l4 | 38,985 | 38,733 | 38,390 | 38,162 | 37,916 |
Reduction in dynamic modulus = 5.7% Increase in length = 0.026% (max 0.046%) |