斜坡地基高填方路堤桩基托梁挡墙受力特征研究 |
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引用本文: | 谢鑫,周应兵,郭瑞,刘大伟.斜坡地基高填方路堤桩基托梁挡墙受力特征研究[J].路基工程,2019,0(2):1-4. |
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作者姓名: | 谢鑫 周应兵 郭瑞 刘大伟 |
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作者单位: | 西南交通大学地球科学与环境工程学院,成都,610031;中铁十二局集团有限公司衢宁铁路(福建段)Ⅲ标工程指挥部,福建宁德,352300 |
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基金项目: | 国家自然科学基金资助项目(51578466);中铁十二局集团有限公司科研项目(2016-YGS-10) |
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摘 要: | 针对衢宁铁路屏南车站DK324+760断面斜坡地基高填方路堤工程,为研究桩基托梁挡墙支挡结构的内部受力特征,将现场监测数据与数值模拟结果进行对比。对比结果发现:挡土墙墙背土压力呈现三角形分布,现场监测结果与数值模拟结果基本相同。另外,在基桩桩身所受的轴力、横截面剪力和弯矩的分布上,现场监测结果和数值模拟结果也呈现相同规律。
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关 键 词: | 斜坡地基 高填方 桩基托梁挡墙 受力特征 数值模拟 |
收稿时间: | 2019-11-11 |
Study on Force Characteristics of Pile-supported Beam with Gravity Retaining Wall Acting on High Fill Embankment on Slope Foundation |
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Abstract: | In order to study the internal stress characteristics of retaining structure of pile-supported beam with gravity retaining wall for the high fill embankment of slope section DK324+760 of Pingnan Station in Quzhou-Ningde Railway, the on-site monitoring data were compared with the numerical simulation results. The results show that the back pressure of the retaining wall presents a triangular distribution. The results of on-site monitoring and numerical simulation are basically the same. In addition, the on-site monitoring results and numerical simulation results also show the same rules for the axial force, cross-sectional shear force and bending moment distribution of the pile body. |
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