نتایج جستجو برای: jointed rock medium

تعداد نتایج: 275255  

Journal: :IOP conference series 2023

Abstract Shear Strength of jointed rock plays a significant role in the stability mass structure especially if developments plan to be constructed adjacent this formation. However, get shear strength joints is quite costly and difficult identified directly at site. This research conducted establish relationship between uniaxial compressive (UCS) granitic rock. UCS parameters are easily common p...

Journal: :I. J. Robotics Res. 2000
Dar-Zen Chen Yu-Chu Huang Dong-Wen Duh

An efficient and systematic methodology for the topological synthesis of geared robot manipulators (GRMs) with a jointed unit is developed. The approach is based on the idea that the kinematic structure of a GRM with a jointed unit is composed of an equivalent open-loop chain (EOLC), disjointed mechanical transmission lines (MTLs), and jointed MTLs. It is shown that the jointed MTLs can be deco...

Journal: :int. journal of mining & geo-engineering 2013
farshad nejadshahmohamad seyed mohammad farouq hossaini

the main rock mass classification systems make use of similar rock mass parameters. due to lack of comprehensive estimation systems, determining the real specifications of jointed rocks faces some difficulties. a vast number of parameters with various degrees of impact are involved in such definitions. combination impact of all the effective parameters is to be figured out in order to come up w...

Journal: :iranian journal of science and technology (sciences) 2007
h. memarian

fracture mapping of late permian-early triassic flat-lying sedimentary rocks in the sydney basin,new south wales, australia, shows that joints developed originally in extension were faulted in subsequentevents. joints with a regional distribution fall into two (early and late) formed groups. group i joints propagatedhorizontally and never interfered with each other. these joints were subsequent...

Journal: :Geotechnics 2022

Groundwater level plays an important role in triggering landslides. In this paper, Distinct Element Method is used to investigate the impact of groundwater table fluctuation on stability jointed rock slopes. For purpose, 110 cases including different number joint sets, friction angles, spacings, and angles are considered influence changing a slope investigated through series parametric studies....

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