| 碎石桩红黏土复合地基的实例分析 |
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| 引用本文： | 文松霖,任佳丽,姜志全,李仲秋.碎石桩红黏土复合地基的实例分析[J].岩土工程学报,2010(Z2). |
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| 作者姓名： | 文松霖 任佳丽 姜志全 李仲秋 |
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| 作者单位： | 长江科学院水利部岩土力学与工程重点实验室; |
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| 基金项目： | 国家自然科学基金项目(50978034) |
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| 摘 要： | 场区红黏土地基处理是工程建设必须解决的主要岩土工程问题之一,为了确定合理的红黏土地基处理方法,针对机场场地的特点,进行红黏土地基处理方法及处理效果验证试验;通过碎石桩红黏土复合地基的现场验证试验,研究分析了碎石桩法处理昆明新机场红黏土地基的可行性和处理效果。结果表明:采用碎石桩工法进行处理红黏土地基是适宜的;碎石桩红黏土复合地基能够满足设计对地基承载力和工后沉降的要求。对场区内红黏土分布厚度小于20.0m、上部填土厚度约30.0m的红黏土地基,建议采用桩间距(梅花形布桩)为1.8m、桩径为500mm的碎石桩进行处理。
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| 关 键 词： | 碎石桩 红黏土 复合地基 工后沉降 处理效果 |
Case analysis of red clay gravel pile composite foundation |
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| WEN Song-lin,REN Jia-li,JANG Zhi-quan,LI Zhong-qiu.Case analysis of red clay gravel pile composite foundation[J].Chinese Journal of Geotechnical Engineering,2010(Z2). |
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| Authors: | WEN Song-lin REN Jia-li JANG Zhi-quan LI Zhong-qiu |
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| Affiliation: | WEN Song-lin,REN Jia-li,JANG Zhi-quan,LI Zhong-qiu (Key Laboratory of Geotechnical Mechanics and Engineering of the Ministry of Water Resources,Changjiang River Scientific Research Institute,Wuhan 430010,China) |
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| Abstract: | The red clay foundation treatment is one of the major geotechnical problems which must be solved in the engineering construction.In order to determine the appropriate red clay foundation treatment method,on the basis of considering the characteristics of the airport site,the red clay foundation treatment method and disposal demonstration tests are carried out.The feasibility and treatment effect of gravel pile method for red clay foundation of Kunming new airport are analyzed through the on-site verificatio... |
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| Keywords: | gravel pile red clay composite foundation post-construction settlement treatment effect |
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