孙站柱.悬挂式帷幕在深基坑止水中的应用与研究[J].矿产勘查,2019,(9):2413-2421 |
悬挂式帷幕在深基坑止水中的应用与研究 |
Application and Research of Suspended Curtain in Deep Foundation Pit Sealing |
投稿时间:2019-03-12 |
DOI: |
中文关键词: 深基坑 降水 悬挂 止水帷幕 |
英文关键词: deep foundation pit, dewatering, suspended, waterproof curtain |
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中文摘要: |
随着经济的发展和城市化进程的加快,对城市用地规模和空间容量提出了更高的要求。地下空间作为一种新的资源的开发、利用,已经进入空前发展的时期,应运而生的是深大基坑的出现,而地下水控制是对基坑施工较大的影响因素,从保护水资源和生态环境角度,如何减小水资源的浪费就显得尤为重要。文章以北京某工程深基坑采用悬挂式帷幕止水方案为例,通过降水方案与止水帷幕方案对比,对周边环境的影响分析,方案的设计及实施效果,为深基坑基底以下没有连续隔水层且含水层厚度较大的工程提供了一种方案借鉴。 |
英文摘要: |
With the development of economy and the acceleration of urbanization, higher requirements are put forward for the scale and space capacity of urban land. As a new resource, underground space has entered a period of unprecedented development. Deep and large foundation pits emerge as the times require. Groundwater control is a major factor affecting foundation pit construction. From the perspective of protecting water resources and ecological environment, how to reduce waste of water resources is particularly important. In this paper, taking the suspended curtain water-stop scheme adopted in a deep foundation pit of a project in Beijing as an example, through the comparison between the dewatering scheme and the water-stop curtain scheme, the impact on the surrounding environment is analyzed, and the design and implementation results of the scheme provide a scheme reference for projects with no continuous water-stop layer below the foundation pit and large aquifer thickness. |
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