Results 81 to 90 of about 12,995 (225)

Study on the Influence of Slope Static Load on Shallow Lining Support Structure

Energy Science &Engineering, EarlyView.
On the basis of the background of the shallow‐buried main adit supported by stone lining, the mechanical model of the supporting structure is constructed, and the stability of the supporting structure is analyzed by using the methods of field investigation, theoretical analysis, and numerical simulation.
Hongwei Wang, Chaofeng Yuan, Jianqiang Jiao, Jinyuan Bai   +3 more
wiley   +1 more source

Mohr-Coulomb Failure Condition and the Direct Shear Test Revisited

Acta Polytechnica, 2004
An alternative critical plane orientation is proposed in the Mohr-Coulomb failure criterion for soils with an extreme property. Parameter identification from the direct shear test is extended to incude the lateral normal stress.
P. Řeřicha
doaj  

Drilling-based rock strength estimation: A validated model for Mohr-Coulomb and a new theoretical-empirical approach for Hoek-Brown parameters

Results in Engineering
Conventional methods for determining the strength properties of rock are often costly and time-consuming. This research presents an innovative approach using operational drilling data for the continuous, real-time estimation of rock strength parameters ...
K. Ebneali Heydari, A. Baghbanan, H. Hashemolhosseini, M. Behnia   +3 more
doaj   +1 more source

Stress concentrations around voids in three dimensions : The roots of failure [PDF]

, 2017
Funding This work forms part of a NERC New Investigator award for DH (NE/I001743/1), which is gratefully acknowledged. Acknowledgments The authors would like to acknowledge the reviewers, Elizabeth Ritz and Phillip Resor.
Bubeck, A., Davis, T., Healy, D., Walker, R.   +3 more
core   +1 more source

Study on Deformation Law of Crossing Layer Drilling Superimposed Floor Roadway

Energy Science &Engineering, EarlyView.
Based on deformation law of crossing layer drilling superimposed floor roadway, low dip angle drilling is particularly susceptible to complications such as borehole blockage and collapse. ABSTRACT Floor extraction roadway crossing layer drilling is a pivotal strategy for gas control in areas prone to coal and gas outbursts.
Xiao Liu, Bo Li, Jiawei Xie, Xiaoming Ni, Shaoren Wei, Chengtao Yang, Yubo Zhang, Haixiao Lin, Wei Zhao, Tao Wang   +9 more
wiley   +1 more source

Investigation of Lateral Stress Relief on theStability of PHI = 0 DEG Slopes Using Laboratory, Fracture Mechanics, and Finite Element Method Approaches [PDF]

, 2011
Total stress analyses of purely cohesive cut slopes utilize the undrained shear strength for slope stability analyses. These slopes can have an in-situ lateral earth pressure that is greater than the vertical pressure.
Kutschke, Walter
core  

Criteria for rapid sliding I.: a review of Vaiont case [PDF]

, 2010
Vaiont slide has been represented by a model of two interacting evolutive wedges. Mass conservation during the motion implies that the upper wedge transfers mass to the lower one through an internal shearing plane.
Alonso Pérez de Agreda, Eduardo, Pinyol Puigmartí, Núria Mercè   +1 more
core   +2 more sources

Stability Evaluation and Parametric Optimization of Coal‐Concrete Composite Bearing Systems Under Mine‐Water‐Induced Deterioration: Experiments and FEINN Analysis

Energy Science &Engineering, EarlyView.
Mine‐water immersion tests reveal pronounced coal weakening (vs. minor concrete degradation), identifying coal pillars as the stability‐limiting component in composite dams. A coupled FEINN framework quantifies extreme‐pressure stability and ranks multi‐parameter designs via a normalized multi‐indicator scheme, enabling optimized dam configuration for ...
He Wen, Hongchuan Dai, Guixin Zhang, Pengzhe Li, Tong Yang, Cang Gong, Renbo Gao   +6 more
wiley   +1 more source

Numerical Investigation of the Influence of Interparticle Cohesion During the Shear Behavior of Granular Soil

International Journal for Numerical and Analytical Methods in Geomechanics, EarlyView.
ABSTRACT Interparticle cohesive forces play a crucial role in governing the shear behavior of many soils; however, quantifying this effect remains challenging due to limited microscopic insights available from laboratory experiments. In this context, the current study aims to investigate the influence of microscale cohesion on the shear response using ...
Thao Doan, Buddhima Indraratna, Thanh T. Nguyen, Cholachat Rujikiatkamjorn   +3 more
wiley   +1 more source

Creep stability of the proposed AIDA mission target 65803 Didymos: I. Discrete cohesionless granular physics model

, 2017
As the target of the proposed Asteroid Impact & Deflection Assessment (AIDA) mission, the near-Earth binary asteroid 65803 Didymos represents a special class of binary asteroids, those whose primaries are at risk of rotational disruption.
Ballouz, Ronald-Louis, Barnouin, Olivier S., Benner, Lance A. M., Li, Junfeng, Maurel, Clara, Michel, Patrick, Naidu, Shantanu P., Richardson, Derek C., Schwartz, Stephen R., Zhang, Yun   +9 more
core   +2 more sources