Results 81 to 90 of about 3,961,642 (152)

Investigation into the rock mass response to pillar extraction in a hard rock tabular mine

open access: yes
Historically, secondary pillar extraction has been successful in the soft rock mining environment. Several hard rock platinum mines have conducted selective remnant extraction with backfill as a regional support measure. A hard rock tabular platinum mine
Chikande, T.,   +20 more
core   +1 more source

Study of Deformation Mechanism and Treatment Measures of Bedding Rock Deformation Body

open access: yesShuitu baochi yanjiu, 2011
By the rock mass combination,bedding slope characteristic and rock mass features of a hydropower plant right bank slope,based on analyzing the deformation indication and the rock mass structure survey,then geological model was established.The deformation
ZHANG Jun-xin1   +4 more
doaj  

Research on Damage Evolution Mechanism of Layered Rock Mass under Blasting Load

open access: yesBuildings
Rock mass consists of many discontinuities, such as faults, joints, etc., and layered joints are a common kind of rock mass structure. The joints affect the stress wave propagation, and blasting is an economical and efficient rock fragmentation method ...
Lixiang Xie   +5 more
doaj   +1 more source

Proceedings of the International Workshop on Rock Mass Classification in Underground Mining

open access: yes
"Rock mass classification is widely used throughout the underground mining industry--in both coal and hardrock mines. It is used in all stages of the mining process, from site characterization to production operations.

core  

Discussion on the Paper “Is Complexity the Answer to the Continuum vs. Discontinuum Question in Rock Engineering?” by Erharter and Elmo in Rock Mech Rock Eng (2025)

open access: yes
In their recent contribution, Erharter and Elmo (Rock Mech Rock Eng, 2025) proposed to resolve the long-standing continuum vs. discontinuum question in rock engineering by characterising rock mass complexity. While their attempt to introduce quantitative
Lei, Qinghua, Lei, Qinghua,
core   +1 more source

A rock mass rating system for predicting TBM utilization

open access: yes, 2013
Prediction of utilization based on rock mass properties is critical for any mechanized tunneling project, since the utilization have an influence on duration and costs of project. Using some case studies including Queens, Milyang, Manapouri, Karaj, Varzo,
Yağız, Saffet   +3 more
core  

Preliminary Research on Dynamic Hoek–Brown Strength Criterion for Rock Mass

open access: yes
The Hoek–Brown strength criterion is commonly employed to anticipate rock mass failure, considering influential factors including rock mass quality and static stress conditions.
Li, Xing,   +4 more
core   +1 more source

Comparison of Rock Mass Classification Systems in Estimating the Strength of a Rock Mass

open access: yes
This thesis is a comparative study for assessing the strength of a rock mass through rock mass classification systems, empirical estimations, and geotechnical modelling software, against real-world data. Often, geotechnical engineers are unable to estimate the strength of a rock mass with absolute certainty.
openaire   +1 more source

Multiscale hierarchical analysis of rock mass and prediction of its mechanical and hydraulic properties

open access: yes, 2018
Engineering geological and hydro-geological characteristics of foundation rock and surrounding rock mass are the main factors that affect the stability of underground engineering.
Liu XL   +4 more
core  

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