Results 41 to 50 of about 274 (138)

New 2D roughness parameters with geometric and physical meanings for rock joints and their correlation with joint roughness coefficient

Frontiers in Earth Science
Determining the joint roughness accurately will better serve the peak shear strength estimation models of rock joints used for stability assessment of rock masses.
Cheng He, Huiming Tang, Huiming Tang, Kun Fang, Sixuan Sun   +4 more
doaj   +1 more source

Home Safe Home: Safety Gains Through Telework During the Covid‐19 Pandemic

LABOUR, Volume 40, Issue 2, Page 162-192, June 2026.
ABSTRACT This paper exploits exogenous shifts in work organisation during the Covid‐19 pandemic to study the implications of hybrid and remote work arrangements on occupational safety. Combining accident registers and household survey microdata from Hungary, we are able to address potential selection and reporting bias, and reliably identify the ...
Bálint Menyhért, Szilárd Erhart
wiley   +1 more source

Influence of Temperature on Seismic Moment as a Diagnostic for Crustal Permeability Creation

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 5, May 2026.
Abstract Understanding what controls permeability is important in modulating crustal processes and the recovery of fuels and energy from the subsurface. Permeability may be created by the reactivation of fractures creating connected flow pathways that result in microearthquakes (MEQs).
Junpeng Wang, Pengliang Yu, Agathe Eijsink, Matthew Roseboom, Chris Marone, Jacques Rivière, Parisa Shokouhi, Derek Elsworth   +7 more
wiley   +1 more source

A back-propagation neural network optimized by genetic algorithm for rock joint roughness evaluation

Journal of Rock Mechanics and Geotechnical Engineering
The joint roughness coefficient (JRC) is a key parameter in the assessment of mechanical properties and the stability of rock masses. This paper presents a novel approach to JRC evaluation using a genetic algorithm-optimized backpropagation (GA-BP ...
Leibo Song, Jieru Xie, Quan Jiang, Gang Wang, Shan Zhong, Guansheng Han, Jinzhong Wu   +6 more
doaj   +1 more source

Characteristics of Deformation and Damage of Multi‐Thin Composite Oil Shale Top Plate Under the Influence of Different Factors

Energy Science &Engineering, Volume 14, Issue 4, Page 2118-2136, April 2026.
In this study, the key control mechanism of surrounding rock stability is revealed by theoretical analysis and UDEC‐Trigon numerical simulation method, aiming at the problem that oil shale roof is prone to separation and slip deformation under complex stress.
Jiang Xiao, Yujiang Liu, Yihui Wang, Boyuan Zhang, Yulin Wang, Tongxiaoyu Wang   +5 more
wiley   +1 more source

Blasting effects of cross‐fault deep‐buried excavation on adjacent existing tunnel stability

Deep Underground Science and Engineering, Volume 5, Issue 1, Page 66-80, March 2026.
Based on the theoretical analysis of cylindrical wave propagation in a deep rock mass in the fault with a filling layer, the calculation method of peak particle velocity caused by wave propagation in the existing tunnel is established. The viscoelastic characteristics of a rock mass are examined in the analysis.
Shaobo Chai, Lianzeng Chai, Chao Meng, Kai Liu, Lang Song, Shaojie Zheng   +5 more
wiley   +1 more source

Morphological classification method and data-driven estimation of the joint roughness coefficient by consideration of two-order asperity

Reviews on Advanced Materials Science, 2023
The roughness of the joint surface plays a significant role in evaluating the shear strength of rock. The waviness (first-order) and unevenness (second-order) of natural joints have different effects on the characterization of joint surface roughness. To
Hu Yunpeng, Feng Wenkai, Li Wenbin, Yi Xiaoyu, Liu Kan, Ye Longzhen, Zhao Jiachen, Lu Xianjing, Zhang Ruichao   +8 more
doaj   +1 more source

Effects of joint geometric configurations on cyclic shear behavior of intermittent joints under constant normal stiffness conditions

Deep Underground Science and Engineering, Volume 5, Issue 1, Page 233-249, March 2026.
The present manuscript explored the effects of joint configurations on the cyclic shear behavior of intermittent joints for the first time. The cyclic shear response, shear strength degradation, dilation characteristics evolution, frictional property, fractal dimension, and dissipative energy were further analyzed during shear cycles, which is crucial ...
Bin Wang, Yujing Jiang, Qiangyong Zhang, Hongbin Chen   +3 more
wiley   +1 more source

A prediction model of the joint roughness coefficient based on Gaussian process regression

地质科技通报
Objective Estimating the joint roughness coefficient (JRC) is essential for evaluating the mechanical properties of a rock mass. Due to the limitation of a single statistical parameter for characterizing morphology, JRC values estimation by a single ...
Kexin ZHENG, Yiping WU, Jiang LI, Fasheng MIAO, Chao KE   +4 more
doaj   +1 more source

Organic Carbon and Texture Control Moisture Dependence of Soil Shortwave Infrared Reflectance

European Journal of Soil Science, Volume 77, Issue 2, March–April 2026.
ABSTRACT Moisture content affects soil reflectance in the optical domain (400–2500 nm), acting as a confounding factor in soil property prediction models. Soil reflectance needs to be simulated efficiently for varying levels of soil moisture, in order to aid soil property prediction efforts and inform physical land surface models.
D. Hick, P. J. Chapman, T. S. Breure, G. Ziv   +3 more
wiley   +1 more source