Hydraulic Fracture Propagation in Fractured Rock Mass
According to fracture mechanics theory, the initial cracking law and wing crack propagation model of compression shear rock cracks subjected to hydraulic pressure and far field stresses are discussed.
Taoying Liu +6 more
doaj +2 more sources
Analysis of unstable block by discrete element method during blasting excavation of fractured rock mass in underground mine [PDF]
During the excavation process in fractured rock masses in underground mines, blasting excavation can cause dangerous block collapses on surrounding rock.
Zhongyuan Gu, Miaocong Cao
doaj +2 more sources
Experimental study on the structural failure characteristics and load-bearing mechanism of anchored fractured rock mass [PDF]
Bolt support is one of the primary techniques for enhancing rock mass stability, and the degree of fracturing in the rock mass significantly influences the strength and failure behavior of the anchored rock mass.
Mengsen Liu +5 more
doaj +2 more sources
Research on Mesoscopic Characteristics of Limestone Grouting Diffusion Based on Discrete Fracture Network [PDF]
The limestone stratum has well-developed rock fissures and abundant groundwater. Under extreme rainstorm conditions, tunnel surrounding rock seepage is serious especially.
Li Jiawen +3 more
doaj +1 more source
Crack propagation and scale effect of random fractured rock under compression-shear loading
Fractures and rock blocks are the essential components of rock mass, random fractured rock is the general manifestation of fractured rock mass, which is particularly significant in scale effect.
Yifan Chen +6 more
doaj +1 more source
Experimental study on seepage characteristics and permeability of fractured rock mass in goaf
In order to obtain the flow behavior of the mining-induced fractured rock mass, and to confirm the values of hydraulic conductivity of the fractured rock, which could provide a reference for mining impact assessment, two methods that the similarity ...
XU Shuyuan +4 more
doaj +1 more source
The existence of fracture flow has an undesirable effect on the creation of the frozen wall. Brine and liquid nitrogen combined freezing technology can ensure the safety of freezing engineering, reduce the construction period and save cost.
Shanshan Hou +4 more
doaj +1 more source
Research on failure mechanism and support technology of fractured rock mass in an undersea gold mine
The surrounding rock control has been a difficult problem for fractured rock mass in hard rock mines. This article describes a case study of the failure mechanisms and the support design technology for fractured rock mass drifts in Xinli Gold Mine. Based
Xingdong Zhao +3 more
doaj +1 more source
A Novel Deformation Analytical Solution and Constitutive Model for Fractured Rock Masses
In order to study the deformation and stability of a fractured rock mass, existing research suggests that fracture deformation, which is usually obtained by evaluating the equivalent deformation modulus, dominates the deformation of a fractured rock mass.
Zeqi Zhu +5 more
doaj +1 more source
This study investigates water-sand bursting disasters associated with fractured rock that affect safe mining in the mining areas of Western China.
Jiarui Chen +7 more
doaj +1 more source

