放坡土钉墙支护在深基坑工程中的应用

Grading of Soil Nailing Wall in Deep Foundation Engineering

根据基坑所处场地地质条件、基坑挖深及基坑周边环境等各种因素,选取一种安全可靠、经济合理、施工便利的基坑支护形式,对工程本身的经济效益及社会效益都具有决定作用。文章结合基坑工程实例,在对比各种支护技术利弊的基础上,阐述了粘土地区深大基坑采用放坡土钉墙支护的优选过程,根据不同的周边环境、开挖深度及土质条件采用不同形式的放坡土钉墙支护,充分利用场地条件及土体自身强度,发挥土钉墙支护的优势,将工程造价控制在经济合理的范围内。为今后类似工程的基坑设计提供参考。

According to the geological conditions of the site in which the pit, and the pit dug deep pit surrounding environment, a comprehensive analysis of various factors, choose a safe, reliable, economical and convenient form of construction of the excavation. On the economic and social benefits the project itself have a decisive role. In this paper, excavation instance, on the basis of comparative advantages and disadvantages of various supporting technologies on the process set forth a preferred clays Deep Foundation uses a grading of soil nailing wall, depending on the surrounding environment, and soil excavation depth conditions of use of different forms of grading soil nailing support, site conditions and take full advantage of the strength of the soil itself, take advantage of soil nailing wall will project cost control within economically reasonable limits. Pit design reference for future similar projects.