The analysis shows that at a particular value of wlC, strength development with time is controlled only by the
value of A since B is regarded as constant. The value of A for different stabilized soils depends on soil type.
However, the rate of strength development with time is identical for various soils since it is influenced
predominantly by the hydration process. As such, it is possible to generalize the strength development(as has
been done for concrete by Nagaraj and Zahida Banu, 1996) using the compressive strength of cement stabilized
soil at an age of 28 days as a reference value. By considering the curing time (days) in natural logarithmic scale, the
strength variation with time can be expressed as linear variation, Figures 20 and 21 depict such linear plots for
cement stabilized lateritic soil and crushed rock, respectively. The strength ratio plots after normalization are
also shown in these figures.The following relation is obtained.