EXPERIMENTAL RESEARCH ON VERTICAL BEARING CAPACITY OF THE PRESTRESSED CONCRETE PIPE PILE WITH TOOTH PITCH
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摘要: 对环节式预应力齿面管桩和常规光面管桩在昆明二个场地上进行静载对比试验,同时对排水型齿面管桩一桩多用的独特技术性能给予介绍。排水型齿面管桩能充分发挥土体摩擦强度,有效提高桩基承载能力,有利于节约投资、节材、节能。Abstract: It is introduced that the contrast satic load test of PC pipe pile with tooth pitch with the one of regular smooth surface pipe pile on two sites in Kunming, as well as the unique technical capability of a multi-usage drainage pipe pilewith tooth pitch is introduced. It is suggested that the introduction should propel the new construction technology which can make full use of the earth frictional resistance, effectively improve load-bearing capacity and save investment,material and energy.
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[2] .曹析凤, 郭清泉. 可以大幅度提高单桩承载力的空心排水预制桩. 中国. 200520022506. 9[P]. 2006-05-12. .曹析凤. 表面齿型混凝土预制桩. 中国. 200620019511. 9 [P]. 2006-015-12. [3] .《桩基工程手册》编委会. 桩基工程手册[M]. 北京: 中国建筑工业出版社, 1995. [4] .GB 50007-2002 建筑地基基础设计规范[S]. [5] .GBJ 220-2002 建筑地基处理技术规范[S].
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