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桩承土工合成材料加筋垫层复合地基是近些年发展起来的一种有效的软土地基处理方法,国内外对其受力分析方法大多是以加筋垫层中筋材的受力状况为研究对象推导的,公式中的大多参数较难获取,应用较为困难。本文提出了将桩承土工合成材料加筋垫层复合地基承载力看成水泥土桩复合地基承载力与加筋垫层增加的承载力之和的实用计算公式,并以一桩承土工格栅加筋垫层复合地基的工程应用为例进行计算分析,最后通过现场荷载试验加以检验。
Pile-bearing geosynthetics reinforced cushion composite foundation is developed in recent years, an effective method of soft soil foundation treatment at home and abroad for most of its stress analysis method is based on reinforced cushion of the stress conditions Derived from the research object, most of the parameters in the formula are difficult to obtain, and the application is more difficult. In this paper, a practical formula for calculating the bearing capacity of composite foundation with reinforced composite underpinned by geosynthetics is taken as the sum of the bearing capacity of cement-soil pile composite foundation and the increased bearing capacity of reinforced cushion. Reinforced cushion composite foundation engineering application as an example for calculation and analysis, and finally by field load test to be tested.