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[1]董琼英,肖尊群*,汤东桑,等.中小尺寸竖井圆形地下连续墙的施工监测与数值分析[J].武汉工程大学学报,2020,42(05):552-557.[doi:10.19843/j.cnki.CN42-1779/TQ.201903033]
 DONG Qiongying,XIAO Zunqun*,TANG Dongsang,et al.Construction Monitoring and Numerical Analysis of Circular Underground Diaphragm Wall with Small and Medium-Sized Shafts[J].Journal of Wuhan Institute of Technology,2020,42(05):552-557.[doi:10.19843/j.cnki.CN42-1779/TQ.201903033]
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中小尺寸竖井圆形地下连续墙的施工监测与数值分析(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
42
期数:
2020年05期
页码:
552-557
栏目:
资源与环境工程
出版日期:
2021-01-29

文章信息/Info

Title:
Construction Monitoring and Numerical Analysis of Circular Underground Diaphragm Wall with Small and Medium-Sized Shafts
文章编号:
1674 - 2869(2020)05 - 0552 - 06
作者:
董琼英1肖尊群*1汤东桑2邓 震3曹童童1
1. 武汉工程大学兴发矿业学院,湖北 武汉 430074;2. 武汉建工集团股份有限公司,湖北 武汉 430056;3. 中油管道防腐工程有限责任公司,河北 廊坊 065001
Author(s):
DONG Qiongying1 XIAO Zunqun*1 TANG Dongsang2 DENG Zhen3 CAO Tongtong1
1. School of Xingfa Mine Technology,Wuhan Institute of Technology,Wuhan 430074,China;2. Wuhan Construction Engineering Group Co.,Ltd,Wuhan 430056,China;3. China Petroleum Pipeline Anti-Corrosion Engineering Co.,Ltd,Langfang 065001,China
关键词:
圆形地下连续墙有限元入土深度土压力竖向弹性地基梁法
Keywords:
circular underground diaphragm wallfinite elementburied depthsoil pressurevertical elastic foundation beam method
分类号:
TU4
DOI:
10.19843/j.cnki.CN42-1779/TQ.201903033
文献标志码:
A
摘要:
基于工程实例,对中小尺寸圆形地下连续墙的施工过程中墙体应力、钢筋应力、墙侧土体压力等参数监测并进行分析。采用有限元软件Abaqus建立该竖井施工过程的数值模型,研究结果表明:中小尺寸圆形地下连续墙纵向截面不存在明显的受拉区和受压区,整个墙体表现为受压状态。同时,墙体的入土深度对墙体水平位移、墙侧土压力的影响很小。中小尺寸圆形地下连续墙结构设计不需要采用传统的竖向弹性地基梁法确定结构配筋和入土深度。由于墙体自稳性强、刚度高,顺做法与逆作法的弯矩与剪力相似,在保证安全的状况下,可使用顺作法施工提高施工速度。
Abstract:
Taking engineering as examples,we monitored and analyzed the stresses of wall,reinforcement,and soil pressure on the wall side during the construction of circular underground diaphragm walls with small and medium-sized shafts (CUDWMSS). The finite element software Abaqus was used to establish the numerical model of the construction process of the shaft. Research indicates that there is no obvious tensile or compression zone on the longitudinal section of the CUDWMSS,and the whole wall is under compression. In addition,the buried depth of the wall has little effect on the horizontal displacement and the soil pressure on the side of wall. The structural design of the CUDWMSS does not require the traditional vertical elastic foundation beam method to determine the structural reinforcement and the burial depth of wall. Due to the strong self-stabilization and high rigidity of the wall,the bending moment and shear with bottom-up or top-down construction method are similar. Under the safe circumstances,the bottom-up construction method can speed up the construction.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-03-29基金项目:国家自然科学基金(51308424);武汉工程大学第十一届研究生教育创新基金(CX2019102)作者简介:董琼英,硕士研究生。E-mail:[email protected]*通讯作者:肖尊群,博士,副教授。E-mail:[email protected]引文格式:董琼英,肖尊群,汤东桑,等. 中小尺寸竖井圆形地下连续墙的施工监测与数值分析[J]. 武汉工程大学学报,2020,42(5):552-557.
更新日期/Last Update: 2020-10-30