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吹填土由于其成分来源及沉积环境不同,性质千差万别。以天津海积软土为土质材料,模拟现场吹填环境,研究了吹填软土强度形成影响因素。试验表明,不同的压力及排水条件对吹填软土强度增长影响较大。当排水条件有利于土体中的水排出时,强度增长明显。上覆压力对土体强度增长的影响通过一定的排水条件得以实现,排水条件差和压力增大时,强度增长缓慢且很小,反之,强度增长快且绝对值大。
Dredging fillings vary in their properties due to their compositional origin and sedimentary environment. Tianjin sea area soft soil is used as soil material to simulate the environment of filling and filling on site, and the influencing factors on the strength formation of soft soil under filling and filling are studied. Experiments show that different pressures and drainage conditions have a greater impact on the strength growth of soft soil. When the drainage conditions conducive to the soil water discharge, the intensity increased significantly. The effect of overburden on soil strength growth is achieved through certain drainage conditions. When the drainage conditions are poor and the pressure is increased, the strength increases slowly and little, on the contrary, the strength increases rapidly and the absolute value is large.