WebJun 17, 2024 · To simulate the structure of steeply-inclined small-angle layered surrounding rock masses at the upstream sidewall, the rock masses are divided into layers with a … WebMay 1, 2011 · Yao et al. [14] established a numerical model for the uniaxial compression of gently inclined layered rock masses using a granular flow procedure, studied the characteristics of changes in ...
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WebJun 28, 2024 · The copper ore-rich rocks lived in rock layers deep in Lake Superior. By 1860, three major copper-producing regions had been developed in the Upper Peninsula, … WebFeb 17, 2024 · Few scholars have studied the deformation and failure mechanisms of tunnel surrounding rocks in inclined layered rock strata and the supporting effect of CRLD … heathen goblins blade
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WebAug 26, 2024 · The deformation characteristics of the rock mass in the intersection between the Muzhailing highway tunnel and the inclined shaft is a complicated three-dimensional problem. Under the influence of high geostress, large deformation hazards may occur in the surrounding rock. Taking this as the research background, this paper analyzes the … In geology, cross-bedding, also known as cross-stratification, is layering within a stratum and at an angle to the main bedding plane. The sedimentary structures which result are roughly horizontal units composed of inclined layers. The original depositional layering is tilted, such tilting not being the result of … See more Cross-beds can tell geologists much about what an area was like in ancient times. The direction the beds are dipping indicates paleocurrent, the rough direction of sediment transport. The type and condition of … See more Rivers Flows are characterized by climate (snows, rain, and ice melting) and gradient. Discharge … See more Cross-bedding is formed by the downstream migration of bedforms such as ripples or dunes in a flowing fluid. The fluid flow causes sand grains to saltate up the stoss (upstream) side of the bedform and collect at the peak until the angle of repose is reached. … See more • Cross-bedding animation from USGS • The Bibliography of Aeolian Research See more WebRocks are less resistant to tension than to compression or shear. Tension cracks commonly initiate compression or shear failure. The mechanical behavior of layered rocks under … move to next line in c++