Results 201 to 210 of about 121,815 (293)

How Does Fluid Exchange Between Pores in Unsaturated Porous Media?

open access: yesGeophysical Research Letters, Volume 53, Issue 5, 16 March 2026.
Abstract The inter‐pore fluid exchange, driven by molecular diffusion, is referred to as pore coupling. The pore coupling affects subsurface pore‐scale physicochemical dynamics. Monitoring pore coupling is essential for understanding numerous hydrological and ecological processes.
Junwen Zhou   +3 more
wiley   +1 more source

Application of RMR89–NATM Rock Mass Classification for Tunnel Design: A Case Study From Bilaspur, Himachal Pradesh, India

open access: yesEngineering Reports, Volume 8, Issue 3, March 2026.
The Bilaspur region lies in a highly seismic zone, requiring special attention for infrastructure development like tunnel construction. Rock strength in the area is low, posing challenges for stable tunnel design. RMR values range from 21 to 30, categorizing the rock mass as Poor, requiring robust support measures.
Baalamurugan Arumugam   +4 more
wiley   +1 more source

Failure Mechanism of Asymmetric Large Deformations Under Repeated Mining in Roadways

open access: yesEnergy 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

Study on the Law of Multi‐Fracture Propagation in Different Fracturing Fluid Viscosity

open access: yesEnergy Science &Engineering, Volume 14, Issue 3, Page 1339-1352, March 2026.
Samples and equipment Sample preparation Test equipment Analysis of test results Fracture propagation morphology Influence of fracturing fluid viscosity on crack initiation time/(fracture initiation pressure) Evolution law of injection pressure Cumulative relation curve of pressure–time–acoustic ABSTRACT Using the TCHFSM‐I large‐scale accurate triaxial
Zhixing Zhang   +4 more
wiley   +1 more source

Research on Precise Identification of Rock Strength Based on Bolt Drilling Parameters

open access: yesEnergy Science &Engineering, Volume 14, Issue 3, Page 1353-1371, March 2026.
Drilling detection test platform. ABSTRACT During roadway excavation, the presence of weak interlayers and fractured rock masses significantly affects roof stability. To achieve timely and effective roadway support, it is crucial to identify and predict different rock types based on drilling signals from roof bolters.
Qiang Zhu   +4 more
wiley   +1 more source

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