| PTC型控沉疏桩复合地基试验研究 |
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| 引用本文： | 雷金波,徐泽中,姜弘道,许永明. PTC型控沉疏桩复合地基试验研究[J]. 岩土工程学报, 2005, 27(6): 652-656 |
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| 作者姓名： | 雷金波 徐泽中 姜弘道 许永明 |
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| 作者单位： | 河海大学；南京河海交通基础技术有限公司；南京河海交通基础技术有限公司 江苏南京210098 南昌航空工业学院；江西南昌330046；江苏南京210098； |
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| 摘 要： | 为了了解高填土路堤下PTC型控沉疏桩复合地基作用机理,掌握PTC型控沉疏桩复合地基沉降变形、承载特性、荷载传递、桩土应力比及桩土间相互作用等力学性状,进行了PTC型控沉疏桩复合地基足尺现场试验研究,得到了一系列有益的结论。试验结果能够为PTC型控沉疏桩复合地基理论研究提供合理依据,并对其优化设计起指导作用。
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| 关 键 词： | PTC 控沉疏桩 试验研究 桩土应力比 荷载传递 |
| 文章编号： | 1000-4548(2005)06-0652-05 |
Experimental studies on composite foundation with sparse PTC piles to control settlement |
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| LEI Jin-bo,XU Ze-zhong,Jiang Hong-dao,XU Yong-ming. Experimental studies on composite foundation with sparse PTC piles to control settlement[J]. Chinese Journal of Geotechnical Engineering, 2005, 27(6): 652-656 |
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| Authors: | LEI Jin-bo XU Ze-zhong Jiang Hong-dao XU Yong-ming |
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| Affiliation: | 1. Hohai University Nanjing 210098 China 2. Limited Company of Traffic Foundation Technology of Hohai University Nanjing 210098 China 3. Nanchang Institute of Aeronautical Technology Nanchang 330034 China |
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| Abstract: | The field tests were done to investigate working mechanism and mechanical behavior of the settlement, bearing capacity control settlement, load transfer, pile-soil stress ratio and pile-soil interaction of composite foundation with sparse PTC piles to control settlement under high fill embankment. The test results can provide useful information for the study on the theory of control settlement and composite foundation with sparse PTC piles and a guide to its engineering design. |
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| Keywords: | PTC control settlement and sparse piles experimental study pile-soil stress ratio load transfer |
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