我国岩土工程施工技术的成就——复合桩
摘要:复合桩是我国自主研发的一种桩型,由混凝土芯桩和外围同心的水泥土环构成,即在混凝土桩外围有一定厚度的水泥土环,二者结合在一起,借助混凝土桩的刚度将荷载传到深部土层,借助水泥土环将侧摩阻力传到桩周围的土体。复合桩具有受力合理、质量稳定、对环境影响小、造价低、施工速度快、适用范围广、耐久性好等优点,具有很好的应用前景。
关键词:基础复合桩芯桩水泥土环施工技术
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[5] 宋新江.轴对称条件下水泥土强度特性试验研究[J].水利水电技术,2011,42(8):1-6.
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Achievements of Geotechnical Engineering Construction Technology in China——Composite Pile
Abstract: Composite pile is a kind of pile type independently developed in China, which is composed of concrete core pile and concentric cement soil ring. That is, there is a certain thickness of cement soil ring around the concrete pile, and the two are combined to transfer the load to the deep soil layer with the help of the stiffness of concrete pile, and transfer the side friction to the soil around the pile with the help of cement soil ring. Composite pile has the advantages of reasonable stress, stable quality, little impact on the environment, low cost, fast construction speed, wide range of application and high durability, which has a good application prospect.
Keywords: foundations; composite pile; core pile; cement soil sheath; construction
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