Results 31 to 40 of about 111,840 (308)

Effect of rock joint roughness on its cyclic shear behavior

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2017
Rock joints are often subjected to dynamic loads induced by earthquake and blasting during mining and rock cutting. Hence, cyclic shear load can be induced along the joints and it is important to evaluate the shear behavior of rock joint under this ...
S.M. Mahdi Niktabar   +2 more
doaj   +1 more source

Strength test of 3D printed artificial rock mass with pre-existing fracture

open access: yesUnderground Space, 2021
Discontinuities or structural planes are widely distributed in natural rock masses and significantly influence their geo-mechanical and geometric properties.
Youyu Wang   +3 more
doaj   +1 more source

Simulation of subseismic joint and fault networks using a heuristic mechanical model [PDF]

open access: yes, 2017
Flow simulations of fractured and faulted reservoirs require representation of subseismic structures about which subsurface data are limited. We describe a method for simulating fracture growth that is mechanically based but heuristic, allowing for ...
Casini, G   +3 more
core   +1 more source

Influence mechanism of rock joints on blasting fragmentation

open access: yesYantu gongcheng xuebao
The influences of rock joints on the formation of blasting fragmentation have always been a hot issue in blasting engineering, which is one of the most important factors affecting the construction efficiency and long-term operation safety.
HU Yingguo 1, 2, RAO Yu 1, 2, CHAI Chaozheng 3, WU Xinxia 1, 2, YANG Zhaowei 1, 2, ZHOU Xianping 1, 2
doaj   +1 more source

Comparing rockfall scar volumes and kinematically detachable rock masses [PDF]

open access: yes, 2017
Scenario-based risk assessment for rockfalls, requires assumptions for different scenarios of magnitude (volume). The magnitude of such instabilities is related to the properties of the jointed rock mass, with the characteristics of the existing ...
Corominas Dulcet, Jordi   +1 more
core   +2 more sources

Geoengineering characterization of the rock masses of northern face of Jabal Sabir, Taiz city, Yemen [PDF]

open access: yes, 2011
This paper is aimed at thedescription and the geotechnical characterization of the Tertiary granitic rock masses of the northern face of Sabir Mountain, Taiz city, Yemen, for the first time.
Abdul-Aleam Ahmed, A. D.   +2 more
core   +2 more sources

Application of Microbially Induced CaCO3 on the Reinforcement of Rock Discontinuity

open access: yesApplied Sciences
Microbially induced calcium carbonate precipitation (MICP) is a technique used in geotechnical engineering to reinforce soil and rock. While it is commonly used for soil reinforcement, its application for rock reinforcement in saline–alkaline ...
Simiao Zhang   +3 more
doaj   +1 more source

Studying the effect of some parameters on the stability of shallow tunnels

open access: yesJournal of Sustainable Mining, 2018
Several factors have crucial impact on the serviceability of underground openings including: the quality of rock mass; the presence of rock joints and their geometrical properties; the state of in-situ stress ratio; the depth below surface and opening ...
Wael R. Abdellah   +2 more
doaj   +1 more source

Transcriptional network analysis of PTEN‐protein‐deficient prostate tumors reveals robust stromal reprogramming and signs of senescent paracrine communication

open access: yesMolecular Oncology, EarlyView.
Combining PTEN protein assessment and transcriptomic profiling of prostate tumors, we uncovered a network enriched in senescence and extracellular matrix (ECM) programs associated with PTEN loss and conserved in a mouse model. We show that PTEN‐deficient cells trigger paracrine remodeling of the surrounding stroma and this information could help ...
Ivana Rondon‐Lorefice   +16 more
wiley   +1 more source

Influence of the Number of Parallel Joints on the Dynamic Mechanical Properties of Rock-Like Features

open access: yesGeofluids, 2022
The number and distribution of joints in rock are closely related to their physical and mechanical properties. In this paper, given the propagation law of explosive stress waves in jointed rock during rock blasting and the influence of joints on dynamic ...
Zhiyu Zhang   +3 more
doaj   +1 more source

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