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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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Zijun Li, Qian Jia, Gang Li, Yu Xu, Junjian Wang and Xiaowei Zhai
A high temperature is the key factor limiting the safe development of deep mine tunnels. By confronting the phenomenon of serious heat exchange between airflow and the surrounding rocks in the tunnel excavation area, a conceptual model of coupled cooling...
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Xuanyang Zhang, Miao Yu, Jiaxin Liang, Chao Yang and Wei Liu
For rectangular section tunnel construction, soil bin pressure fluctuates under biaxial emergence conditions. Support pressure is difficult to uniformly distribute, and it can easily cause instability of the tunneling face. The Silo-wedge model is used t...
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Morteza Esmaeili, Jafar Hosseini Manoujan, Jafar Chalabii, Farshad Astaraki and Majid Movahedi Rad
Tunnel face extrusion rigidity is an important factor for solving stress?strain problems in loose ground conditions. In previous studies, the effect of horizontal and vertical soil layering on tunnel excavation face stability in the presence of longitudi...
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Zuliang Zhong, Tenglong Tang and Yapeng Li
The mechanical properties of the surrounding rock of the Xigeda stratum are easily affected by water content. In order to obtain the support characteristics of Xigeda strata, the finite difference method was used to obtain the longitudinal deformation of...
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Arun Kumar, Rahul Kumar Meena, Ritu Raj, Mohammad Iqbal Khan and Jamal M. Khatib
The wind flow patterns and pressure distribution around a plus-shaped building are significantly influenced by re-entrant corner dimensions and building height. The present study aims to find the wind effects and study the pressure distribution with diff...
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Andreas N. Angelakis, Cees W. Passchier, Mohammad Valipour, Jens A. Krasilnikoff, Vasileios A. Tzanakakis, Abdelkader T. Ahmed, Alper Baba, Rohitashw Kumar, Esra Bilgic, Andrea G. Capodaglio and Nicholas Dercas
Water tunnels are one of the oldest hydro-technologies for extracting water resources and/or transmitting them through water distribution systems. In the past, human societies have used tunneling for various purposes, including development, as a measure ...
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Jonathan Tyrer, Chrysothemis Paraskevopoulou, Ravi Shah, Richard Miller and Michael Kavvadas
Urban tunnelling can be highly challenging, especially in areas where limited ground settlements and environmental disturbance is required. Mechanised tunnelling is usually preferred in such ground environments, specifically Slurry or EPBM (Earth Pressur...
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Mingli Huang, Zhien Zhang, Yuan Song, Song Gao and Chunbo Yu
The factors leading to the collapse of tunnel face are diverse, and there is an interaction relationship between multiple influencing factors at the physical and mechanical level. By analyzing the coupling relationship between the factors affecting the i...
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Keqi Liu, Wantao Ding and Chunxu Qu
The penetration characteristics of the slurry and the support pressure transfer mechanisms are critical to the tunnel face stability control during a mechanized excavation. In this paper, numerical calculations coupling computational fluid dynamics (CFD)...
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