| 基于FLAC3D的桥坝基础沉降变形规律研究 |
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| 引用本文： | 荣富强,张伟兵. 基于FLAC3D的桥坝基础沉降变形规律研究[J]. 中州煤炭, 2018, 0(4): 44-48，53. DOI: 10.19389/j.cnki.1003-0506.2018.04.010 |
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| 作者姓名： | 荣富强 张伟兵 |
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| 作者单位： | （1.河南省地质矿产勘查开发局 第二地质环境调查院，河南 郑州 450053；2.河南省地质矿产勘查开发局 第四地质矿产勘查院，河南 郑州 450053） |
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| 摘 要： | 为了研究桥坝结构在建设过程中整体结构桥坝基础沉降变形规律，确保桥坝的设计结构最优以及坝体配筋、坝体强度满足要求，采用FLAC3D数值模拟软件，分析了桥梁结构基础场地地基概况、基础底面特征值计算、地基承载力容许值确定、荷载组合验算以及桥梁基础沉降变形规律，研究得出:在整个结构施加压力之后，整体结构出现较大的沉降，结构的不均匀沉降较小，因此需要进一步优化桥坝的设计结构。研究为类似工程条件的桥坝设计提供一定的理论依据。
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| 关 键 词： | 桥坝基础 3D数值模拟' target='_blank'>FLAC3D数值模拟 地基承载力容许值 荷载组合验算 沉降规律 |
Study on settlement and deformation laws of bridge and foundation based on FLAC3D |
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| Rong Fuqiang1,Zhang Weibing2. Study on settlement and deformation laws of bridge and foundation based on FLAC3D[J]. Zhongzhou Coal, 2018, 0(4): 44-48，53. DOI: 10.19389/j.cnki.1003-0506.2018.04.010 |
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| Authors: | Rong Fuqiang1 Zhang Weibing2 |
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| Affiliation: | （1.Second Geological Environment Investigation Institute，Henan Bureau of Geology and Mineral Exploration and Development，Zhengzhou 450053，China； 2.Fourth Geological Environment Investigation Institute，Henan Bureau of Geology and Mineral Exploration and Development，Zhengzhou 450053，China） |
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| Abstract: | In order to study the bridge dam structure in the construction process，the overall structure of the bridge dam foundation settlement deformation law，to ensure the optimal design of the bridge dam and the strength of the dam body and the strength of the dam meet the requirements，FLAC3D numerical simulation software was used to study the general situation of the foundation of the bridge structure，and to calculate the base surface characteristic value，determine permissible value of foundation bearing capacity，and to check load combination，obtain the law of settlement and deformation of bridge foundation.The study shows that after the whole structure is subjected to pressure，the whole structure has large settlement and uneven structure settlement is small，so it is necessary to further optimize the design of the bridge dam structure.The research provides some theoretical basis for the design of bridge dam under similar engineering conditions. |
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| Keywords: | bridge dam foundation 3D numerical simulation' target='_blank'>FLAC3D numerical simulation allowable value of foundation bearing capacity load combination checking calculation settlement law |
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