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Elastoplastic analysis of surrounding rock in weakly cemented soft rock roadways and its support practice. [PDF]

Sci Rep
Zhang J, Rui Q, Li X, Yang Y, Wang G, Chen J, Shen W, Wang C, Liu W.   +8 more
europepmc   +1 more source

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Mechanism and Control of Roadway Floor Heave in the Paleogene Soft Rock Surroundings

Geotechnical and Geological Engineering, 2019
To analyze the mechanism of roadway floor heave in the Paleogene soft rocks and provide corresponding control strategies, taking the monorail lane of the Liuhai Mine as the research background, the special geological conditions of the deep soft rock roadway and failure characteristics of the roadway floor are analyzed by means of an indoor physical ...
Yubing Gao
exaly   +2 more sources

A new coal mine floor rating system and its application to assess the potential of floor heave [PDF]

International Journal of Rock Mechanics and Minings Sciences, 2020
Several underground coal mines have reported floor heave associated with the buckling mechanism. However, studies on the coal mine floor, especially the buckling failure mechanism in the floor and relevant analysis techniques, are still insufficient ...
Hamed Lamei Ramandi, Bruce Hebblewhite, Serkan Saydam   +2 more
exaly   +2 more sources

Progressive fracture and swelling of anisotropic rock masses around deep tunnels: a new floor heave mechanical mechanism

Arabian Journal of Geosciences, 2022
Yalong Jiang, Penghai Deng, Xueliang Xu   +2 more
exaly   +2 more sources

Mechanism for Controlling Floor Heave of Mining Roadways Using Reinforcing Roof and Sidewalls in Underground Coal Mine

Sustainability, 2018
Controlling floor heave plays an important role in the stability of mining roadways that is pivotal to the sustainable, safe, and efficient development of coal resources in underground coal mines.
Fuqiang Gao, Deyu Qian, Hongpu Kang
exaly   +2 more sources

Mechanics model and numerical analysis of floor heave in soft rock roadway

Journal of Coal Science and Engineering (China), 2011
The mechanism of floor heave was analyzed by establishing mechanics models and solving differential equations. The amount of floor heave is proportional to the abutment pressure of surrounding rock, roadway width, and the distance of support pressure peak to the roadway and is inversely proportional to the elastic modulus of floor rock. Using FLAC2D to
Chuan-qu Zhu, Yong Wang, Miao-ming Chen, Zhi Chen, Hong-ming Wang   +4 more
openaire   +1 more source

Floor heave mechanism and stiff control technology by I-beam for deep mine roadway

Engineering Failure Analysis
Diyuan Li, Wenkai Ru, Pingkuang Luo
exaly   +2 more sources

Study on failure mechanism and treatment measures of floor heave of high-speed railway tunnel in the interbedded surrounding rock with high geostress

Engineering Failure Analysis, 2023
Lichuan Wang
exaly  

Numerical studies of floor heave mechanism and the effectiveness of grouting reinforcement of roadway in soft rock containing the mine water

International Journal of Rock Mechanics and Minings Sciences, 2023
Ivan Sakhno
exaly  

Mechanism analysis of floor heave disease in operation period of phyllite highway tunnel

2023
Chenke Sun, Yilin Zheng, Huaizhong Qiu, Fei Li, Xiangbing Chu   +4 more
openaire   +1 more source