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复杂地形地质条件下桥梁桩基的动态设计

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在山区桥梁桩基的实施过程中,因实际地形地质条件复杂,桩基常需动态调整设计.为了解决山区高速公路桥隧比高,需动态调整桩基多,逐桩逐项调整效率低,影响施工进度的问题,提出了一种新的桩基动态设计流程,并以巫镇路茶园子大桥 1#桥墩为例,应用动态设计流程的思路,论证了在复杂地形地质条件下桥梁桩基动态设计流程的实用性.工程实践表明:该流程可确保结构安全及动态设计效率.
Dynamic Design of Bridge Pile Foundation under Complex Terrain and Geological Conditions
Because of the complicated topography and geological circumstances in mountainous places,the design of pile foundations frequently needs to be modified during the implementation process of bridge pile foundations.To solve the problems of high bridge tunnel ratio in hilly roadways,multiple adjustments needed for pile foundations,low efficiency in changing each pile item,and impacting construction progress,a new dynamic design process for pile foundations is proposed.The notion of the dynamic design process is used to illustrate the practicality of the process for bridge pile foundations under complex topographical and geological circumstances,using the 1#pier of the Chayuanzi Bridge on Wuxi-Zhenping highway as an example.Engineering practice has proven that this process can ensure structural safety and dynamic design efficiency.

complex terrain and geologybridge pile foundationdynamic designstructural safetydesign efficiency

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招商局重庆交通科研设计院有限公司,重庆 400067

复杂地形地质 桥梁桩基 动态设计 结构安全 设计效率

2024

公路交通技术
重庆交通科研设计院

公路交通技术

影响因子:0.552
ISSN:1009-6477
年,卷(期):2024.40(3)