Humus was added into nonorganic silt to clarify the effect of a variety of additives on the cemented soil performance. 在去除有机质的黏质粉土中加入腐殖酸，研究了经某种液态添加剂改良后的水泥土特性。
The foundations composite modulus is analyzed with elastical theory and a formula for the composite modules is proposed by combining the interaction of soil between piles. 应用弹性理论分析了水泥土搅拌桩复合地基的复合模量，提出考虑桩与桩间土相互作用的复合模量计算式。
