Results 81 to 90 of about 5,737 (227)
Implementation and verification of interface constitutive model in FLAC3D
Water Science and Engineering, 2011 AbstractDue to the complexity of soil-structure interaction, simple constitutive models typically used for interface elements in general computer programs cannot satisfy the requirements of discontinuous deformation analysis of structures that contain different interfaces.
Hai-min Wu, Yi-ming Shu, Jun-gao Zhu
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Failure Mechanism of Asymmetric Large Deformations Under Repeated Mining in Roadways
Energy Science &Engineering, Volume 14, Issue 3, Page 1195-1212, March 2026.Principal stress‐evolution diagram at different advance positions of 42205 working face. ABSTRACT To address the challenge of controlling severe asymmetrical deformation in roadways subjected to repeated mining, this study (i.e., based on the engineering context of the Buertai Coal Mine) investigated the characteristics of the regional stress field in ...
Ai‐Rong Wang +3 more
wiley +1 more source
Limit Support Pressure of Tunnel Face in Multi-Layer Soils Below River Considering Water Pressure
Open Geosciences, 2018 This paper presents a method to determine the limit support pressure of tunnel face in multi-layer soils below river considering the water pressure. The proposed method is based on the 3D Terzaghi earth pressure theory and the wedge theory considering ...
Liu Weiping +3 more
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Research on support technology of rail haulage roadway of mining area
Gong-kuang zidonghua, 2017 In view of problems of simple indicator selection, big calculation error, complicated testing process existed in current bolt support design methods, stability classification of surrounding rock of roadway was determined by field investigation and ...
LIN Na, SUN Luo
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FLAC3D modelling of rock support arches
, 2020 This paper presents the FLAC3D modelling of rock support arches in trial stope at Boliden's Garpenbergmine in Sweden. The objective was to evaluate the effectiveness of rock support arches in stabilizing theground when rill stopes heights are raised beyond the current heights.
Saiang, David, Nyström, Anders
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Energy Science &Engineering, Volume 14, Issue 1, Page 444-459, January 2026.ABSTRACT This study addresses the challenges of deformation failure and the difficulty in controlling the surrounding rock in the 2453 floor roadway of a coal mine in Hunan Province, influenced by mining activities. Conducting an in‐depth investigation into the evolution law of the principal stress and stability control technologies for the surrounding
Shihai Shu +6 more
wiley +1 more source
Design Optimization of Longwall Chain Pillars [PDF]
, 2010 Determination of the optimum design of chain pillars has a significant effect on the economics and safety of longwall operations. Most pillar design formulae are based on empirical methods and supplemented by local experience.
Bangian, AH, Oraee, B, Oraee, K
core
Advances in Civil Engineering, Volume 2026, Issue 1, 2026.Directional long horizontal drilling hydraulic fracturing technology (DLHDHF) can prevent and control the occurrence of rock burst disasters by controlling the hard roof in the near field. Therefore, it is exceedingly significant to enhance the pressure relief effect by determining the appropriate fracturing scheme. Taking Number 140202 working face of
Shang Du +8 more
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Advances in Civil Engineering, Volume 2026, Issue 1, 2026.Mutual interference and different excavation speeds during the construction of twin‐tube tunnel have intensified the complexity of groundwater seepage field damage, while the small‐interval tunnel has more complex evolution characteristics than traditional twin‐tube tunnel due to its small distance between the double holes, which poses greater ...
Kunping Chen +6 more
wiley +1 more source
Advances in Civil Engineering, Volume 2026, Issue 1, 2026.To address the challenges of surrounding rock control caused by complex stress sources and intense ground pressure in gob‐side entry driving (GED) with narrow coal pillars under extra‐thick coal seams, this study takes the 10 m‐thick coal seam 8204 panel of Tashan Coal Mine as the engineering background.
Dongjie Jiang +6 more
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