Results 1 to 10 of about 93,740 (135)
Alexandria Engineering Journal, 2022 The mechanical indices used to describe the anisotropy of layered rock mass are numerous and difficult to be measured. Take the medium - thick horizontal layered limestone rock mass as an example, rock mechanical tests, engineering geological survey ...
Xianmin Han +3 more
doaj +1 more source
Study of Impact Dynamic Characteristics and Damage Morphology of Layered Rock Mass
Geofluids, 2022 To explore the dynamic mechanical properties and damage evolution law of the more common layered rock masses in geotechnical engineering, this paper determined the Holmquist–Johnson–Cook (HJC) constitutive model parameters of dolomite, gray sandstone ...
Xingchao Tian, Tiejun Tao, Caijin Xie
doaj +1 more source
Research on the Layered Rock Mass Excavation Relaxation Stability of Underground Caverns [PDF]
E3S Web of Conferences, 2020 In order to compare the influence of rock mass parameters weakening on the deformation and stability of excavation caverns in layered rock mass, based on power generation system caverns of a hydropower station, the stability and deformation of the ...
Zhang Ying +3 more
doaj +1 more source
The Blasting Vibration Characteristics of Layered Rock Mass under High-Pressure Gas Impact
Energies, 2023 Firstly, the experimental test of blasting vibration was carried out to study the propagation characteristics of the peak particle velocity (PPV) and dominant frequency (DF) of the blasting vibration of layered rock mass under high-pressure gas impact ...
Haixia Wei +4 more
doaj +1 more source
Creep Structure Effect of Layered Rock Mass Based on Acoustic Emission Characteristics
Shock and Vibration, 2021 Investigating the creep structural effect of layered rock mass is of great practical and theoretical significance. In this paper, taking the Muzhailing tunnel as an example, structure effect of layered rock mass based on acoustic emission characteristics
Huichen Xu +4 more
doaj +1 more source
Applied Sciences, 2023 Layered rock mass is a common rock mass structure with diverse forms and complex mechanical properties. Three types of composite layered rock mass prepared using sandstone and shale can be divided into sandwiched type, interbedded type and superimposed ...
Yongxiang Zheng +5 more
doaj +1 more source
Geofluids, 2022 The obvious anisotropy of layered rock mass prevents the built-in constitutive model of commercial simulation software from accurately describing the elastoplastic behavior of the rock mass.
Haoran Li +5 more
doaj +1 more source
Frontiers in Earth Science, 2022 The underground powerhouse of China’s Wudongde hydropower station is one of the world’s underground powerhouses with the largest span and height. Because the underground powerhouse is all located in steeply-inclined layered rock masses, and the bedding ...
Chong-Lin Jian +7 more
doaj +1 more source
Trace element and isotope constraints on crustal anatexis by upwelling mantle melts in the North Atlantic Igneous Province: an example form the Isle of Rum, NW Scotland [PDF]
, 2009 Sr and Nd isotope ratios, together with lithophile trace elements, have been measured in a representative set of igneous rocks and Lewisian gneisses from the Isle of Rum in order to unravel the petrogenesis of the felsic rocks that erupted in the early ...
Ellam, R.M. +5 more
core +1 more source
Applied Sciences, 2022 To investigate the seismic response of layered rock sites, a multidomain analysis method was proposed. Three finite element models with infinite element boundaries for layered sites were analysed.
Lihu Dong, Danqing Song, Guangwei Liu
doaj +1 more source