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Huanxiao Hu, Yufan Lu, Chao Deng, Benqing Gan, Zhongliang Xie, Yuehui Cai and Aikun Chu
Due to the unique characteristics of sandy soil layers, there is often a coupling effect of multiple grout diffusion patterns in the grouting process, and different slurry diffusion modes may lead to different responses of soil structures. In this study,...
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Stergios Roumeliotis, Kyriakos Lampropoulos, Ekaterini Delegou, Elisavet Tsilimantou, Vasileios Keramidas, Asterios Bakolas and Antonia Moropoulou
The restoration of historic buildings and structures involves a wide range of scientific and technical fields. The grouting process is among an array of rehabilitation and preservation interventions and aims to homogenize the structure after the implemen...
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Ahlam A. Abbood, Nazar Oukaili, Abbas A. Allawi and George Wardeh
This study aimed to evaluate the effectiveness of a novel concrete-encased column (CE) using small circular steel tubes filled with cementitious grouting material (GFST) as the primary reinforcement instead of traditional steel bars. The research involve...
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Sixu Liu, Jianfei Xu, Nan Zhou, Yuzhe Zhang, Chaowei Dong and Zhuo Lv
The mining of coal resources is accompanied by a large amount of solid waste such as gangue, which seriously affects the ecological environment. The gangue grouting backfilling technique can achieve the dual goals of gangue disposal and surface deformati...
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Qihua Deng, Junru Zhang, Feng Lu, Ziyan Fan, Yi Wang and Zhi Lin
The high water content of the surrounding rock in loess tunnels will lead to the deterioration of rock strength, causing deformation and damage to the initial support structure and thereby affecting safety during construction and operation. This article ...
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Jun Zhao, Lulu Yin, Jing Chen, Yizhou Yang, Yinhong Zhu and Bai Yang
To study the influence of grouting defects on the mechanical properties of grouting sleeves, 49 groups of specimens with different specifications were made considering the length and location of defects, monotonic axial tension tests were carried out to ...
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Ping Lou, Weixiong Huang and Xinde Huang
Research on tunnel excavation has rarely considered the effect of the tunnel excavation on a complete building. Therefore, this paper considered a building with a double basement and piles, and a three-dimensional finite-element model for shield tunnels ...
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Guisen Wang, Baoning Hong, Xin Liu, Dongning Sun, Zhiwei Shao and Yunlong Yao
While post-grouting is frequently reported to improve the engineering performance of piles, the shear strength of the soil around piles is not well understood. To investigate the strengthening mechanism of soil around piles with permeation grouting, labo...
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Leilei Zhao, Zhendong Cui, Ruidong Peng, Tao Wei, Longcan Wang and Dongxu Liu
Reused roadways are increasingly adopted in fully mechanized coalfaces with large mining heights because of the ventilation and gas drainage problems. However, the forced mechanism and grouting control technology of the reused roadway was seldom studied....
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Xianyang Yu, Jinhao Xie, Yanju Wu, Qiuhong Wu, Zizheng Zhang and Hai Wu
A dynamic numerical method is established to simulate the stability of the surrounding rocks of the retained roadway in FLAC3D, along with a double-yield constitutive model to simulate the re-compaction process of gangue and a strain-softening constituti...
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