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通过对河道一级阶地粗砂层局部软弱地基进行换填处理的工程实例的分析,总结了换填处理对该地层的经济实用性,拓宽了换填处理及天然地基的应用范围,克服了该类场地桩基施工的难点,节省了工期和造价。同时积累了级配砂石换填处理的施工经验。
Through the analysis of engineering examples of the replacement of local soft ground in the first grade terraces of river courses, this paper summarizes the economic practicability of the replacement treatment on this formation, broadens the application range of replacement treatment and natural foundation, Construction site of the difficulties of pile construction, saving construction time and cost. At the same time, we have accumulated experience in grading sand gravel replacement.