| 上部土钉墙-下部桩锚支护结构整体计算模型研究 |
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| 引用本文： | 庞宏飞,;和学庆,;宋建学. 上部土钉墙-下部桩锚支护结构整体计算模型研究[J]. 河南城建高等专科学校学报, 2014, 0(3): 9-13 |
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| 作者姓名： | 庞宏飞, 和学庆, 宋建学 |
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| 作者单位： | [1]泰宏建设发展有限公司,河南郑州450000; [2]郑州市轨道交通有限公司,河南郑州450000; [3]郑州大学土木工程学院,河南郑州450001 |
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| 摘 要： | 以郑州市郑东新区上部土钉墙-下部桩锚支护结构为背景，采用放坡简化模型和超载简化模型，分别采用理正软件进行变形计算，将相应成果与实测数据和有限元数值分析成果比较，发现放坡模型对应的结构变形比超载模型大。采用超载模型计算简便，且可以保证工程安全。
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| 关 键 词： | 地基基础工程 超载模型 放坡模型 基坑支护 |
Research on global analysis model of pit retaining structure with top soil nail and bottom pile anchor |
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| Affiliation: | PANG Hong-fei, HE Xue-qing, SONG Jian-xue (1. Taihong Construction Development Co. Ltd. , Zhengzhou 450000, China; 2. Zhengzhou Subway Transportation Co. Ltd. , Zhengzhou 450000, China; 3. School of Civil Engineering, Zhengzhou University, Zhengzhou 450001 , China) |
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| Abstract: | A deep foundation excavation with top soil nail and bottom pile anchor retaining structure in the east of Zhengzhou is chosen as case study. The deformation analysis results of Overload Simplify Model and slope simplify model are compared with the experimental data and the results obtained from ABAQUS simulation a-nalysis. It is concluded that the deformation results derived from the Slope Simplify Model is too big when compared with the field survey results and the ABAQUS simulation results. The Overload Simplify Model is recommended in the retaining structure analysis. |
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| Keywords: | soil and foundation engineer overload simplify model slope simplify model excavation retaining structure |
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