在既有地下室条件下逆作桩基的施工技术研究

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英文篇名：Research on Construction Technology of Reversed Pile Foundation Construction Under Existing Basement Conditions 作者：刘创业 英文作者：LIU Chuangye;Jiangsu Engineering Consulting Center; 关键词：既有地下室 ; 逆作桩基 ; 全套管 ; CD机清障 ; 加固技术 英文关键词：existing basement;;reversed foundation pile;;full casing;;barrier clearance by CD machine;;reinforcement technology 中文刊名：JZSG 英文刊名：Building Construction 机构：江苏省工程咨询中心; 出版日期：2019-02-25 出版单位：建筑施工 年：2019 期：v.41;No.334 语种：中文; 页：JZSG201902001 页数：4 CN：02 ISSN：31-1334/TU 分类号：11-13+16

摘要

对老旧建筑进行地下空间开发,一般都是将老旧建筑既有地下室拆除后回填加固,再进行地下空间开发,此举费时、耗材且对周边环境影响较大,不符合绿色施工理念。为此,研究开发了一种在不拆除既有地下室条件下逆作桩基的施工技术,并制定了相应的技术措施。经实践,取得了理想的效果。
        As for the underground space development of old buildings, usually, the basement of an old building is demolished, backfilled, reinforced and then the underground space development is carried out, which is time-consuming,material-consumable and has a great impact on the surrounding environment. It does not meet the green construction concept. To this end, a construction technology which can reversely construct the pile foundation without dismantling the existing basement is developed and the corresponding technical measures are also formulated. After practice, the desired effect has been achieved.

引文

[1]龙莉波.大型深基坑逆作法施工关键技术研究[J].建筑施工,2014,36(6):625-629.
    [2]单华峰,夏唐代,胡军华,等.既有建筑物地下室增层开挖桩基屈曲稳定研究[J].岩土力学,2015(增刊2):507-512.