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随着我国城市化进程的不断加快,高层住宅建筑不断增加,基础埋深也随之不断增大,由于受到施工现场地形与地质的影响,基坑开挖类型越来越复杂,因而采用放坡开挖地基的方式,通过支挡、加固和保护对深基坑的侧壁和基坑的周边进行防护,是近年来城市高层建筑的中常见的一种新型实践工程学理论,但是,由于基坑及其支护工程已经成为一个涉及结构工程的复杂岩土工程问题,尤其是为周边管线、构筑物和建筑物密集地区的环境保护提供了有效的地下施工空间和安全保证。本文通过工程实例探讨了基坑边坡支护施工技术,并提出了相应的安全保障措施,以达到基坑工程顺利实施。
With the accelerating process of urbanization in our country, the high-rise residential buildings continue to increase and the basic buried depth also increases. Due to the influence of topography and geology on the construction site, the excavation types of foundation pit are more and more complex, In the way of excavating foundations, the protection of the side walls of deep foundation pits and the periphery of foundation pit by means of retaining, reinforcing and protecting is a new type of practical engineering theory commonly found in urban high-rise buildings in recent years. However, The pit and its support engineering have become a complex geotechnical engineering problem involving structural engineering. Especially, it provides an effective underground construction space and safety guarantee for the environmental protection of surrounding pipelines, structures and densely populated areas. This paper discusses the construction technology of foundation pit slope support through engineering examples and puts forward the corresponding safety measures to achieve the successful implementation of the foundation pit project.