It was introduced as a new ground treatment method that the composite foundation method named with concrete-cored sand-gravel piles was applied to the embankment strengthening.

介绍了一种新型的地基处理方法——混凝土芯砂石桩复合地基法及其在水利防洪堤软基加固工程中的应用情况。

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This paper introduces the test results and calculative method by using the composite foundation of sand-stone pile and concrete pile with low strength.

本文通过试验与工程实践，介绍采用碎（砂）石桩及低强度混凝土桩组合构成复合地基的试验成果、计算方法及应用检测成果。

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Based on elastic methods and the layer-wise summation method, a program developed for settlement calculation of pile ground and combined composite foundation.

基于弹性理论方法，结合分层总和法，编制了群桩沉降计算程序，并掘此对普通群桩和组合桩群桩性状和沉降计算进行研究。

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