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 ...

Optical wireless communication (OWC) is a promising technology for sixth-generation (6 G) mobile networks. Establishing high-quality optical links over large deflection angles is crucial for improving ...

A-frame cranes are an essential type of gantry crane used widely in industrial settings, construction sites, ports, and shipyards. Characterized by their distinct “A” shaped legs, these cranes provide ...

In simulations using the finite element method, the mesh is of crucial importance. This article describes the essential features of a mesh convergence study to determine the required mesh refinement ...

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 ...

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, ...

Dense, flat polystyrene sheets (Schulcz, Germany) were chosen to fabricate macroscopic triangular cantilevers for the study for three main reasons. First, the sheet thickness is very uniform—this is ...

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 ...

A recent Audioholics article titled “Identifying Legitimately High Fidelity Loudspeakers: the Myths & Facts about Cabinets” posited that one measure of quality is in a well-braced cabinet. Poorly or ...