Segmented constitutive relationship of weakly cemented sandstone and numerical implementation based on homogeneity
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-83753-1
Abstract: A deep understanding of the mechanical properties of weakly cemented sandstones in coal-bearing strata is crucial for ensuring the safety of coal mining operations. This study addresses this problem by investigating the deformation characteristics of… read more here.
Keywords: weakly cemented; homogeneity; segmented constitutive; model ... See more keywords
Characteristics of water-rich weakly cemented sandstone erosion and dewatering disaster mitigation mechanism via computational fluid dynamics–discrete element method coupled modeling
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Fluids"
DOI: 10.1063/5.0289914
Abstract: Weakly cemented sandstone is softened by water erosion, which increases the water content and seriously reduces the bearing capacity of the surrounding rock. In this paper, a numerical model is developed based on the bond… read more here.
Keywords: method; water; weakly cemented; fluid ... See more keywords
Stability Analysis and Control Measures of Large-Span Open-Off Cut with Argillaceous Cemented Sandstone Layered Roof
Sign Up to like & getrecommendations! Published in 2021 at "Mathematical Problems in Engineering"
DOI: 10.1155/2021/8744081
Abstract: This paper is based on the condition where layered argillaceous cemented sandstone as an engineering background is met by the No. 207 fully mechanized working face open-off cut (Wanli No. 1 Coal Mine). Through mechanical… read more here.
Keywords: argillaceous cemented; engineering; open cut; cemented sandstone ... See more keywords