Results 71 to 80 of about 1,572 (209)

A scientometric review of structure rockburst research: current trends and future directions

open access: yesFrontiers in Earth Science, 2023
Based on practical construction experience, it is observed that a significant number of rockburst-prone regions exhibit structural surfaces of varying scales that exert a controlling influence on rockburst. Therefore, it is crucial to review the progress
Yuanhang Zhang, Yuanyou Xia, Jian Huang
doaj   +1 more source

Brittle Rock Failure in the Steg Lateral Adit of the Lötschberg Base Tunnel [PDF]

open access: yes, 2018
Summary: During the crossing of brittle rock formations at the Lötschberg base tunnel, failure phenomena have been observed both at the tunnel face and at the walls. A detailed analysis has been undertaken to explain these behaviours, based on the recent
Descoeudres, F.   +3 more
core  

Precursor Information Recognition of Rockburst in the Coal-Rock Mass of Meizoseismal Area Based on Multiplex Microseismic Information Fusion and Its Application: A Case Study of Wudong Coal Mine

open access: yesLithosphere, 2022
In recent years, the rockburst induced by steeply inclined coal seam mining in the Urumqi mining area has become serious. In this paper, the evolution law of multiplex microseismic information before and after the rockburst is obtained through in-depth ...
Huicong Xu   +7 more
doaj   +1 more source

Rockburst prediction based on multi-featured drilling parameters and extreme tree algorithm for full-section excavated tunnel faces

open access: yesJournal of Rock Mechanics and Geotechnical Engineering
The suddenness, uncertainty, and randomness of rockbursts directly affect the safety of tunnel construction. The prediction of rockbursts is a fundamental aspect of mitigating or even eliminating rockburst hazards.
Wenhao Yi   +4 more
doaj   +1 more source

The Dangerous Condition of Ground during High Overburden Tunneling (A Case Study in Iran) [PDF]

open access: yes, 2015
Knowledge of the ground condition and its hazards can play an important role in the selection of support and suitable excavation method in underground structures.
Bagherpour, Raheb   +1 more
core   +2 more sources

Rockburst Prediction Model Based on Entropy Weight Integrated with Grey Relational BP Neural Network

open access: yesAdvances in Civil Engineering, 2019
A rockburst prediction model of the entropy weight grey relational backpropagation (BP) neural network is developed. The model needs to select the evaluation factors according to the engineering practice and establish the sample library.
Yuchao Zheng   +5 more
doaj   +1 more source

Predicting Model of Rockburst Based on Nondeterministic Theory [PDF]

open access: yes, 2017
Predicting is the basis of prevention and controlling of rockburst hazards. Duo to the characteristic of sudden, disruptive, and complex, the accurate prediction of rockbursts is difficult and an urgent problem need to be solved. Rockburst tendency is an important metric to quantify the risk and potential intensity of occurrences and grade the hazard ...
openaire   +1 more source

Auscultation microsismique appliquée à la détection des éboulements des falaises crayeuses [PDF]

open access: yes, 2004
National audienceThe microseismic monitoring carried out on an experimental site showed that the chalk rock ruptures are recordable by a seismic network composed of geophones and accelerometers.
Gourry, Jean-Christophe   +1 more
core   +1 more source

Experimental study on compound dynamic disaster in deep coal rock under gas and stress loading and unloading [PDF]

open access: yes
To explore the occurrence mechanism of compound dynamic disasters in coal rocks, this study conducted a true triaxial test simulating gas extraction and stress loading and unloading conditions. To differentiate behaviors among disaster types, the effects
Huang, Lei   +5 more
core   +1 more source

Mechanism and Predicting Theory-Based of Rockburst Evolution [PDF]

open access: yes, 2017
Mechanism and predicting of rockburst is complicated, and there is no mechanism and prediction model to explain the occurrence of rockburst satisfactorily. In this chapter, the mechanism of rockburst stress-energy evolution is obtained by analyzing the pre-peak stage of rock compressive deformation.
openaire   +1 more source

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