Ausgabe 4/2021
Inhalt (27 Artikel)
Discrete Element Modeling of the Nayong Rock Avalanche, Guizhou, China Constrained by Dynamic Parameters from Seismic Signal Inversion
Hao Luo, Aiguo Xing, Kaiping Jin, Shimin Xu, Yu Zhuang
Ultimate Bearing Capacity of Low-Density Volcanic Pyroclasts: Application to Shallow Foundations
Alcibiades Serrano, Rubén Galindo, Áurea Perucho
Challenging Infrastructure Project Assisted by Monitoring and Numerical Modelling as the Follo Line Tunnels were Excavated Below Existing Tunnels
Nghia Quoc Trinh, Kristin Hilde Holmøy, Hanne Elisabeth Wiig
Fluid Flow and Leakage Assessment Through an Unlined/Shotcrete Lined Pressure Tunnel: A Case from Nepal Himalaya
Krishna Kanta Panthi, Chhatra Bahadur Basnet
Empirical Performance Prediction for Raise Boring Machines Based on Rock Properties, Pilot Hole Drilling Data and Raise Inclination
Aydin Shaterpour-Mamaghani, Hanifi Copur
Development and Application of Cutterhead Working Status Monitoring System for Shield TBM Tunnelling
Qiuming Gong, Fan Wu, Dujuan Wang, Haifeng Qiu, Lijun Yin
Time-Dependent Behavior of the Tunnels in Squeezing Ground: An Experimental Study
Ketan Arora, Marte Gutierrez, Ahmadreza Hedayat, Erick Christian Cruz
A Simplified Model for Time-Dependent Deformation of Rock Joints
Mingzheng Wang, Ming Cai
Probability Estimates of Short-Term Rockburst Risk with Ensemble Classifiers
Weizhang Liang, Yuksel Asli Sari, Guoyan Zhao, Stephen D. McKinnon, Hao Wu
Adaptive Finite Element–Discrete Element Analysis for the Stress Shadow Effects and Fracture Interaction Behaviours in Three-Dimensional Multistage Hydrofracturing Considering Varying Perforation Cluster Spaces and Fracturing Scenarios of Horizontal Wells
Yongliang Wang, Yang Ju, Haomin Zhang, Shichao Gong, Jinxin Song, Yang Li, Jun Chen
General Statistics-Based Methodology for the Determination of the Geometrical and Mechanical Representative Elementary Volumes of Fractured Media
Ana Carolina Loyola, Jean-Michel Pereira, Manoel Porfírio Cordão Neto
Development of Anisotropy in Sandstone Subjected to Repeated Frost Action
Hailiang Jia, Shun Ding, Fan Zi, Guoyu Li, Yuan Yao
Investigations on Shear Properties of Soft Rock Joints under Grouting
H. F. Lu, Q. Z. Zhang
Modeling the Approach of Non-mated Rock Fracture Surfaces Under Quasi-static Normal Load Cycles
S. M. Rezaei Niya, A. P. S. Selvadurai
Comparative Evaluation of Statistical and Fractal Approaches for JRC Calculation Based on a Large Dataset of Natural Rock Traces
Kristofer Marsch, Tomas M. Fernandez-Steeger
Pore Structure Evaluation of Quaternary Highly Vuggy Limestone by a Combination of X-ray CT Images of Differently Sized Cores
Kentaro Masuoka, Shinji Nakaya
Analysis of Local Creep Strain Field and Cracking Process in Claystone by X-Ray Micro-Tomography and Digital Volume Correlation
Hai-Ling Shi, Jerome Hosdez, Thomas Rougelot, Shou-Yi Xie, Jian-Fu Shao, Jean Talandier
Permeability Evolution of Thermally Cracked Granite with Different Grain Sizes
Zi-jun Feng, Yang-sheng Zhao, Dong-na Liu
An Experimental Investigation of the Influence of Loading Rate on Rock Tensile Strength and Split Fracture Surface Morphology
Zhen Cui, Sheng Qian, Guimin Zhang, Zhang Maochu
Damage Evolution and Deformation of Rock Salt Under Creep-Fatigue Loading
Kai Zhao, Hongling Ma, Chunhe Yang, Xiangsheng Chen, Yibiao Liu, Xiaopeng Liang, Rui Cai
Triaxial Compression Testing at Constant and Reducing Confining Pressure for the Mechanical Characterization of a Specific Type of Sandstone
Jiu-chang Zhang, Zhi-nan Lin, Bo Dong, Rong-xin Guo
A New Approach to Represent Impact of Discontinuity Spacing and Rock Mass Description on the Median Fragment Size of Blasted Rocks Using Image Analysis of Rock Mass
Ali Azizi, Hassan Moomivand
HighSTEPS: A High Strain Temperature Pressure and Speed Apparatus to Study Earthquake Mechanics
M. Violay, C. Giorgetti, C. Cornelio, F. Aeschiman, G. Di Stefano, L. Gastaldo, S. Wiemer
Frequency Characteristics of Acoustic Emissions Induced by Crack Propagation in Rock Tensile Fracture
Ruochen Jiang, Feng Dai, Yi Liu, Ang Li, Peng Feng
Estimating the Uniaxial Compressive Strength of Argillites Using Brazilian Tensile Strength, Ultrasonic Wave Velocities, and Elastic Properties
U. C. Iyare, O. O. Blake, R. Ramsook
Novel Three-dimensional Rock Dynamic Tests Using the True Triaxial Electromagnetic Hopkinson Bar System
Heping Xie, Jianbo Zhu, Tao Zhou, Jian Zhao
Effect of Joint Orientation on the Breakage Behavior of Jointed Rock Mass Loaded by Disc Cutters
Bolong Liu, Haiqing Yang, Emdadul Haque, Guilin Wang