The effect of an osmotic crystalline surface protectant agent on the performance of cement fly ash stabilized Aeolian sand bases

This paper studies the use of cement fly ash to stabilize graded gravel and aeolian sand instead fine aggregates in design mixture composition. Firstly, effect different cement-fly ratios on bases was investigated, then synergistic effects osmotic crystalline surface protectant (OCSP) mechanical properties water-blocking were analyzed. The results indicated that optimal water content maximum dry density are increased unconfined compressive strength 7 d 28 both is downward by ash. base treated OCSP significantly improved, enhancement more significant with increase content. absorption rate each group specimens rapidly during first 10 hours immersion., However, specimen almost zero whole process after hours.