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素混凝土桩复合地基承载特性分析
引用本文:胡志,王贤能,胡岱文,代军. 素混凝土桩复合地基承载特性分析[J]. 土木与环境工程学报, 2004, 26(3): 46-50
作者姓名:胡志  王贤能  胡岱文  代军
作者单位:1. 重庆大学,土木工程学院,重庆,400045
2. 深圳市工勘岩土工程有限公司,广东,深圳,518026
基金项目:广东省深圳市龙岗区科技局科研项目
摘    要:通过两组试验得到了素混凝土桩复合地基桩土应力分布的一些规律.在试验荷载范围内,桩土应力比随荷载的增加而增大,实测最大荷载下桩土应力比大多在9~13之间,桩的荷载分担比可达0.7以上.试验证明素混凝土桩复合地基具有承载力高、沉降变形小的优点,具有良好的应用前景.

关 键 词:复合地基  素混凝土桩  应力比  荷载分担比
文章编号:1006-7329(2004)03-0046-05
修稿时间:2003-12-15

Analysis of Load-bearing Characteristics of Concrete Pile Composite Foundation
HU Zhi~,WANG Xian-neng~,HU Dai-wen~,DAI Jun~. Analysis of Load-bearing Characteristics of Concrete Pile Composite Foundation[J]. Journal of Civil and Environmental Engineering, 2004, 26(3): 46-50
Authors:HU Zhi~  WANG Xian-neng~  HU Dai-wen~  DAI Jun~
Affiliation:HU Zhi~1,WANG Xian-neng~2,HU Dai-wen~1,DAI Jun~2
Abstract:Some conclusions were drawn from two groups of in-site tests on concrete pile composite foundations. In the tests, it was found that the pressure under the rigid loading slab is different, in which the pressure under the center of the slab is the less and under the edge of the slab is the biggest. The pile-soil stress ratio is not a constant; it increases with the adding of the load. Most of the pile-soil ratio vary from 9 to 13 in these tests and the load that the piles share can be more than seventy percent of the whole load. It was proved that the bearing capacity of the concrete pile composite foundation is high with a little settlement, so it will be used more and more in the future.
Keywords:composite foundation  concrete pile  pile-soil stress ratio  load sharing ratio
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