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| 岩溶区某桥梁桩基处治方案分析 | |
| 引用本文： | 马缤辉,赵明华,尹平保,杨超炜,刘猛,雷勇.岩溶区某桥梁桩基处治方案分析[J].长沙交通学院学报,2012,28(2):37-42. |
| 作者姓名： | 马缤辉 赵明华 尹平保 杨超炜 刘猛 雷勇 |
| 作者单位： | 1. 湖南大学土木工程学院,湖南长沙410082;湖南科技大学土木工程学院,湖南湘潭411201 2. 湖南大学土木工程学院,湖南长沙,410082 3. 湖南科技大学土木工程学院,湖南湘潭,411201 |
| 基金项目： | 国家自然科学基金，湖南省研究生科研创新项目 |
| 摘 要： | 基于某高速公路岩溶区桥梁桩基处治的具体工程实践，结合理论分析和数值模拟方法，从桩基竖向承载力、沉降计算及岩溶顶板抗冲切、抗剪切和抗弯安全性分析等方面对桩端注浆和不注浆两种处治方案进行了对比分析，并进一步探讨了岩溶区桥梁桩基承载和变形特性．研究结果表明：采用桩端注浆处治方案可保证该桥梁桩基的安全性． |
| 关 键 词： | 桥梁桩基 岩溶 处治方案 有限元 ADINA |
Analysis of treatment methods for a certain bridge piles case in karst region |
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| MA Bin-hui , ZHAO Ming-hua , YIN Ping-bao , YANG Chao-wei , LIU Meng , LEI Yong.Analysis of treatment methods for a certain bridge piles case in karst region[J].Journal of Changsha Communications University,2012,28(2):37-42. | |
| Authors: | MA Bin-hui ZHAO Ming-hua YIN Ping-bao YANG Chao-wei LIU Meng LEI Yong |
| Institution: | 1. College of Civil Engineering, Hunan University,Changsha 410082 ,China; 2. College of Civil Engineering, Hunan University of Science and Technology, Xiangtan 411201, China) |
| Abstract: | Based on the engineering practice of a case about brige piles in karst region of the highway,the calculation of vertical bearing capacity and settlement of piles and the analysis of safety factors of cutting resistance, shear resistance and bending resistance of the top plate above karst cave are presented combining with analytical method and nu- merical simulation, then the comparative analysis of treatment methods about pile-end with or without grouting is conducted. The bearing and deformation characteristics of bridge piles in karst region are discussed. The results show that the bridge piles should be safe with the treatment of pile-end grouting. |
| Keywords: | bridge piles karst treatment method finite element method ADINA |
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