Results 31 to 40 of about 3,350 (159)

Deformation Law of the Diaphragm Wall during Deep Foundation Pit Construction on Lake and Sea Soft Soil in the Yangtze River Delta

Advances in Civil Engineering, 2021
So far, there have been a large number of diaphragm walls in the Yangtze River Delta as engineering examples of deep foundation pit maintenance structures in subway stations, but there is a lack of systematic research and summary on the deformation ...
Yuan Mei, Dongbo Zhou, Xueyan Wang, Liangjie Zhao, Jinxin Shen, Shumin Zhang, Yuanying Liu   +6 more
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Centrifugal model tests on characteristics of deep foundation pits in starting well of shield tunneling machine

Yantu gongcheng xuebao
In order to explore the stress, deformation and soil pressure distribution of the surrounding soils during the excavation process of deep foundation pits in starting well of the shield tunneling machine, two sets of centrifugal model tests are conducted ...
SUN Hui 1, LI Bo 1, WANG Zhipeng 2, WANG Shuai 1
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Sensitivity Analysis and Application of the Shanghai Model in Ultra-Deep Excavation Engineering

Geotechnics
In deep foundation pit engineering, the soil undergoes a complex stress path, encompassing both loading and unloading phases. The Shanghai model, an advanced constitutive model, effectively accounts for the soil’s deformation characteristics under these ...
Aoyang Ma, Weiyi Wang, Wenxuan Zhu, Zhonghua Xu, Guanlin Ye   +4 more
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Design of sealing bottom water-stop body of anti-floatage anchor-jetting body in non-dewatering deep foundation pits

Yantu gongcheng xuebao, 2018
The dewatering work of foundation pits is an important part of foundation pit engineering. Because this work may break the original balance of groundwater, and cause uneven settlement of the surrounding ground surface, and serious engineering accidents ...
DONG Tian-wen 1, XU Bin 1, WANG Jia-wei 2, ZHANG Jian-guo 2
doaj   +1 more source

Numerical Analysis of Influences of Engineering Piles for Anti-Inrush of Deep Excavation under Confined Water

Advances in Civil Engineering, 2023
Aiming at the problem of anti-inrush of confined water in foundation pits considering the influence of engineering piles, a three-dimensional numerical analysis model of anti-inrush stability of deep foundation pits is established by using the finite ...
Zehai Cheng, Liujun Jin, Chaojie Zhang, Zhenshuai Yu   +3 more
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Monitoring and numerical simulation of support for foundation pit at Yanyuan Road Station of Lanzhou Metro

Yantu gongcheng xuebao, 2021
The unique water-rich red sandstone stratum in Lanzhou area is easy to disintegrate when excavated and exposed, and the excavation and dewatering of foundation pits are extremely difficult.There is still no complete design and construction experience for
YIN Li-jie 1, 3, LI Yu-jie 2, ZHU Yan-peng 2, HUO Bin 4, YANG Zhi-tuan 4, DUAN Qin-chuan 4
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A Numerical Investigation of the Deformation Mechanism of a Large Metro Station Foundation Pit under the Influence of Hydromechanical Processes

Geofluids, 2021
Considering the unique conditions of deep and large subway foundation pit excavation affected by heavy rainfall in soil-rock composite strata, this paper employs finite element numerical simulation methods to study foundation pit instability under the ...
Yan Wang, Yongjun Zhang, Mingfei Li, Yi Qi, Tianhui Ma   +4 more
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Application Research of BIM Technology in Computer Aided Design of Building Foundation

Chemical Engineering Transactions, 2016
With the rapid development of the domestic high-rise buildings, the scale and depth of deep excavation pit projects are also expanding. More and more deep foundation pit appear in built-up and densely populated areas, which imposes higher requirements on
Y.Z. Tian, H. Yue
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Effect of freeze–thaw cycles on deformation properties of deep foundation pit supported by pile-anchor in Harbin

Reviews on Advanced Materials Science, 2022
In the course of the construction of deep foundation pits during the winter in seasonally frozen areas, the pit wall soil is often unstable due to frost heave and thawing settlement, which leads to hidden safety hazards in engineering construction. Based
Cui Gaohang, Ma Shuxian, Liu Zhiqiang, Liu Shouhua, Xi Chen, Cheng Zhuo   +5 more
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Field Experiments on 3D Groundwater Flow Patterns in the Deep Excavation of Gravel-Confined Aquifers in Ancient Riverbed Areas

Applied Sciences, 2023
In ancient riverbed areas, the hydro-geological conditions are extremely complex because of the cutting of ancient river channels during the sedimentary process.
Na Xu, Yujin Shi, Jianxiu Wang, Yuanbin Wu, Jianshen Lu, Ruijun Zhou, Xinlei Huang, Zhenhua Ye   +7 more
doaj   +1 more source