The stability of bedded and jointed rock masses is threatened by progressive failure at the roof-wall junction, where a triangular relaxation zone (TRZ) forms due to excavation unloading. This study ...

For any size of the goaf, there is a pressure balance arch in the overlying strata above it (Figure 2). The load of the rock strata outside the balance arch is transmitted to the arch foot by the ...

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1 Faculty of Automation and Information Engineering, Xi’an University of Technology, Xi’an, China. 2 Shaanxi Civil-Military Integration Key Laboratory of Intelligence Collaborative Networks, Xi’an, ...

A long-standing challenge in modern materials manufacturing and design has been to create porous materials that are simultaneously lightweight, strong, stiff, and flaw-tolerant. Here, we fabricated ...

1 Department of Applied Mechanics, Indian Institute of Technology, Delhi, India. 2 Department of Mechanical Engineering, College of Technology, GBPUA&T, Pantnagar, India. Standing for some time is ...

An ongoing challenge in modern materials science is to create artificial structures, termed metamaterials, with an unconventional response that can be programmed by suitable design of their geometry ...