Articles with "weakly cemented" as a keyword



Hydromechanical Properties and Engineering Applications of Weakly Cemented Soft Rock in Jurassic Strata

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Published in 2023 at "ACS Omega"

DOI: 10.1021/acsomega.3c01150

Abstract: The surrounding rock control of weakly cemented soft rock in the Jurassic strata roadway in the Northwest Mining Area has become one of the bottlenecks restricting mines’ safety and efficient production. Based on the engineering… read more here.

Keywords: rock; water; soft rock; weakly cemented ... See more keywords

Experimental study on the mechanical characteristics of weakly cemented mudstone under different loading rates

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Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-65024-1

Abstract: With the gradual shift of coal mining to the western coal mining region of China, floor heave in weakly cemented mudstone roadways has become an issue affecting the safety and efficiency of coal mine production.… read more here.

Keywords: loading rates; loading rate; weakly cemented; cemented mudstone ... See more keywords

Segmented constitutive relationship of weakly cemented sandstone and numerical implementation based on homogeneity

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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

Deformation mechanism of surrounding rock in weakly cemented thick coal seam roadways and research on graded anchor composite support technology

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Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-12343-6

Abstract: In western mining areas, roadways excavated in weakly cemented thick coal seams often experience significant deformation and support failure due to poor roof conditions, low cementation strength, and stress redistribution. Taking the 11,703 transportation roadway… read more here.

Keywords: support technology; deformation; weakly cemented; coal ... See more keywords

Research status of roof water and sand bursting disaster in thick bedrock stope of coal seam

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Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-14746-x

Abstract: The frequent occurrences of compound disasters involving roof water-sand inrush coupled with strong ground pressure manifestations in China’s western mining areas of Huanglong and Ningdong coal bases exhibit distinct characteristics from conventional non-dynamic water-sand inrush… read more here.

Keywords: water sand; water; weakly cemented; roof water ... See more keywords

Water-induced damage mechanism and dual-radius grouting control of weakly cemented argillaceous roadways in Western China.

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Published in 2025 at "Scientific reports"

DOI: 10.1038/s41598-025-29853-y

Abstract: The weakly cemented argillaceous surrounding rock (WSR) presents significant challenges in underground roadways in Western China, characterized by water-induced softening, large deformations, and difficult stability control. This study systematically investigates the mechanism of water-induced deterioration… read more here.

Keywords: control; water; weakly cemented; cemented argillaceous ... 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

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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

The Intriguing 4D Seismic Signature of Reservoir Pore Collapse in Weakly Cemented Sandstones

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Published in 2025 at "Geophysical Prospecting"

DOI: 10.1111/1365-2478.70057

Abstract: Time‐lapse seismic signals and their relation to variations in reservoir pore pressure and fluid saturations are, in general, well understood. Occasionally time‐lapse (4D) seismic data do present some intriguing anomalies that cannot be properly explained… read more here.

Keywords: reservoir pore; weakly cemented; damage; reservoir ... See more keywords
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Failure Mechanism and Control Technology for a Large-Section Roadway under Weakly Cemented Formation Condition

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Published in 2020 at "Geofluids"

DOI: 10.1155/2020/6669060

Abstract: The roof of a large-section roadway will usually undergo progressive deformation and failure under the action of deep surrounding rock stress. The large-section rectangular roadway is more prone to sudden roof caving accident under the… read more here.

Keywords: section roadway; weakly cemented; large section; roadway ... See more keywords

Research on Advance Rate Effects and Their Regulation of Strata Pressure Behavior in Deeply Buried Weakly Cemented Longwall Panels Under High-Intensity Mining Conditions

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Published in 2025 at "Applied Sciences"

DOI: 10.3390/app15084266

Abstract: This study investigates the exacerbated strata pressure manifestations induced by high-intensity mining in medium-deep weakly cemented coal seams in western China. An integrated research methodology combining theoretical analysis, field measurements, and numerical simulation was employed… read more here.

Keywords: pressure; intensity; weakly cemented; mining ... See more keywords

Behavior of Weakly Cemented Rock with Different Moisture Contents under Various Tri-Axial Loading States

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Published in 2019 at "Energies"

DOI: 10.3390/en12081563

Abstract: To better understand the physical and mechanical behavior of weakly cemented rock with different moisture contents for the success of water-preserved mining, this paper presents the systematic tri-axial compression tests on three typical rock samples… read more here.

Keywords: behavior weakly; moisture; weakly cemented; stress ... See more keywords