At the same mixing ratio of cement, the unconfined compression strength of cement-stabilized-soil which contains 5% of humus is only 1/3 of the normal cement-stabilized-soil.

• 当其他条件相同时，含腐殖酸（质量分数为5%25）水泥土的无侧限抗压强度是普通水泥土的1/3左右；