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建筑深基坑与紧邻道路高边坡一体化支护研究

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以重庆市某工程案例为依托,对建筑深基坑紧邻道路高边坡时的一体化支护方案进行研究.采用有限元软件Midas GTS NX模拟双排桩及单排桩的施工过程,预测计算其位移及内力;采用理正岩土软件对扶壁式挡墙所在的边坡整体稳定性进行验算,并从结构变形、施工难度、工程造价、对坡顶构筑物影响等方面比较了 4种一体化支护方案的优缺点,分析了不同方案所适用的工况.研究结果可为其他类似工程提供有益的参考.
Analysis on Integration Supporting for Building Deep Excavation and High Slope Close to Road
Relying on a specific project case in Chongqing,an integration scheme for a building excavation close to road slope is studied.Finite element software Midas GTS NX is used to simulate the construction process of double-row piles and single-row piles,and to predict and calculate the displacements and inner forces of these piles.Lizheng geotechnical software is used to check the whole stability of the slope at the counterfort retaining wall.The advantages and disadvantages of four integration supporting schemes are compared from the aspects of structural deformation,construction difficulty,engineering cost and impact on slope-top structures.The construction conditions suitable for the different schemes are analyzed.The study result can provide a useful reference for the other similar projects.

close to roaddouble-row pilehigh counterfort retaining walldeep excavation

张露、沈宝营

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重庆市设计院有限公司,重庆市 400015

紧邻道路 双排桩 高扶壁式挡墙 深基坑开挖

2024

城市道桥与防洪
上海市政工程设计研究院

城市道桥与防洪

影响因子:0.477
ISSN:1009-7716
年,卷(期):2024.(3)
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