| 超大直径空心独立复合桩横轴向承载力 |
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| 引用本文： | 戴良军,冯忠居,崔林钊,王洁,董芸秀,文军强,冯凯.超大直径空心独立复合桩横轴向承载力[J].筑路机械与施工机械化,2019(6):49-54. |
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| 作者姓名： | 戴良军 冯忠居 崔林钊 王洁 董芸秀 文军强 冯凯 |
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| 作者单位： | 安徽建工集团有限公司;长安大学公路学院;安徽省路桥工程集团有限责任公司 |
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| 基金项目： | 中央高校基本科研业务费资助项目(30010221811) |
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| 摘 要： | 为探明超大直径空心独立复合桩基础自身参数对其横轴向承载力的影响,本文利用MARC有限元仿真软件对不同空心桩设计参数、不同注浆体参数、不同水泥搅拌桩设计参数下,复合桩基横轴向极限承载力的变化规律进行了分析。结果表明:空心桩桩径对超大直径空心独立复合桩横轴向承载力影响远大于空心桩桩长的影响;相较于注浆土模量增加,注浆土厚度增加对横轴向承载力提高作用要弱;注浆土参数、水泥搅拌桩参数的增强对柔性长桩横轴向承载力的提高均不如对刚性短桩。
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| 关 键 词： | 桩基础 超大直径 复合桩 横轴向承载力 |
Transverse and Axial Bearing Capacity of Hollow Independent Composite Piles with Super Large Diameter |
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| DAI Liang-jun,FENG Zhong-ju,CUI Lin-zhao,WANG Jie,DONG Yun-xiu,WEN Jun-qiang,FENG Kai.Transverse and Axial Bearing Capacity of Hollow Independent Composite Piles with Super Large Diameter[J].Road Machinery & Construction Mechanization,2019(6):49-54. |
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| Authors: | DAI Liang-jun FENG Zhong-ju CUI Lin-zhao WANG Jie DONG Yun-xiu WEN Jun-qiang FENG Kai |
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| Institution: | (Anhui Construction Engineering Group, Hefei 230000, Anhui, China;School of Highway, Chang an University, Xi'an 710064, Shaanxi, China;Anhui Road & Bridge Engineering Group Co., Ltd., Anhui 230000, Hefei, China) |
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| Abstract: | DAI Liang-jun;FENG Zhong-ju;CUI Lin-zhao;WANG Jie;DONG Yun-xiu;WEN Jun-qiang;FENG Kai(Anhui Construction Engineering Group, Hefei 230000, Anhui, China;School of Highway, Chang an University, Xi'an 710064, Shaanxi, China;Anhui Road & Bridge Engineering Group Co., Ltd., Anhui 230000, Hefei, China) |
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| Keywords: | pile foundation super large diameter composite pile transverse and axial bearing capacity |
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