Results 101 to 110 of about 144,758 (313)

Tectonic interpretation of the connectivity of a multiscale fracture system in limestone [PDF]

, 2016
This paper studies the statistics and tectonism of a multiscale natural fracture system in limestone. The fracture network exhibits a self‐similar characteristic with a correlation between its power law length exponent a and fractal dimension D, i.e., a ≈
Lei, Q, Wang, X
core   +1 more source

Temperature‐dependent shear behavior and constitutive model of the rock–concrete interface

Deep Underground Science and Engineering, EarlyView.
Shear tests were conducted to investigate the temperature‐dependent shear behavior of the rock–concrete interface, highlighting the interaction between the surrounding rock and the lining during tunnel fires. Under experimental conditions, concrete exhibited greater temperature sensitivity than rock, with the shear fracture surface transitioning from ...
Hongbin Chen, Yujing Jiang, Rui Pan, Bin Wang, Sunhao Zhang, Jinge Zhang, Xianzhuang Ma   +6 more
wiley   +1 more source

Tectonic evolution of Lavinia Planitia, Venus [PDF]

High resolution radar images from the Magellan spacecraft have revealed the first details of the morphology of the Lavinia Planitia region of Venus. Lavinia is a broad lowland over 2000 km across, centered at about 45 deg S latitude, 345 deg E longitude.
Frank, Sharon L., Mcgill, George E., Solomon, Sean C., Squyres, Steven W.   +3 more
core   +1 more source

Present-day stress orientations and tectonic provinces of the NW Borneo collisional margin [PDF]

, 2010
Extent: 15p.Borehole failure observed on image and dipmeter logs from 55 petroleum wells across the NW Borneo collisional margin were used to determine maximum horizontal stress (σH) orientations; combined with seismic and outcrop data, they define seven
Agostinelli, Ali, Barton, Bell, Bell, Bell, Bol, Brudy, Christopher K. Morley, Franke, Hall, Hall, Hamilton, Hazebroek, Hazebroek, Heidbach, Hesse, Hillis, Hillis, Hinz, Hinz, Hiscott, Hutchison, Ingram, James, James Clark, King, King, King, King, King, Kirsch, Lambiase, Madon, Madon, Madon, Madon, Mandl, Mardia, Mark R. P. Tingay, Mastin, McGilvery, Michel, Milsom, Morley, Morley, Morley, Morley, Morley, Morley, Peška, Plumb, Richard R. Hillis, Richardson, Rosalind C. King, Sandal, Simons, Sonder, Sperner, Tan, Tingay, Tingay, Tingay, Tingay, Tingay, Tingay, Tingay, Townend, Van Viet, Yale, Yale, Yassir, Zhang, Zoback   +73 more
core   +2 more sources

Shear behavior of bolt–grout interfaces under constant normal stiffness: Influence of grout strength and thickness

Deep Underground Science and Engineering, EarlyView.
The effects of grout strength and thickness on the shear behavior of bolt–grout interfaces (BGI) under constant normal stiffness conditions are investigated. Shear strength, failure modes, and acoustic emission characteristics are examined. The findings reveal that grout strength exerts a significantly greater influence on BGI shear strength and ...
Sunhao Zhang, Dongqi Shang, Yujing Jiang, Jinge Zhang, Hongbin Chen, Tianqi Jiang   +5 more
wiley   +1 more source

Age, Depth, and Residual Depth Anomalies in the North Pacific: Implications for Thermal Models of the Lithosphere and Upper Mantle [PDF]

, 1986
We present an empirical basement depth versus age relation for the North Pacific Ocean, based on the statistical treatment of an ocean-wide gridded data set.
Renkin, Miriam K., Sclater, John G.
core   +1 more source

A review on rockburst prediction and prevention to shape an ontology‐based framework for better decision‐making for underground excavations

Deep Underground Science and Engineering, EarlyView.
A scientometric analysis of 2449 journal articles and a comprehensive review of 336 papers were conducted, discussing and identifying challenges and research gaps in rockburst prediction and prevention and proposing an ontology‐based framework for better decision‐making in underground excavations. Abstract With underground engineering projects becoming
Hongchuan Yan, Haijiang Li, Hongqiang Xie, Mingli Xiao, Jianliang Pei, Huaizhong Liu, Jiangda He   +6 more
wiley   +1 more source

The Characteristics of Aftershock Activities of Dien Bien Earthquake on 19 February 2001 and Their Relation to the Local Geomorphological, Tectonic Features

Ekológia (Bratislava), 2019
This article examines in detail the characteristics of Dien Bien earthquake on 19 February 2001 and its aftershocks. On the basis of the temporal development of aftershocks and the spatial distribution of tectonic faults, five aftershock series have been
Lu Ngo Thi, Hang Phung Thi Thu, Tuyen Nguyen Huu, Giang Ha Thi, Hai Nguyen Thanh   +4 more
doaj   +1 more source

Modeling postbreakup landscape development and denudational history across the southeast African (Drakensberg Escarpment) margin [PDF]

, 2002
We employ a numerical surface processes model to study the controls on postbreakup landscape development and denudational history of the southeast African margin.
Alastair Fleming, Beaumont, Ben-Avraham, Bierman, Bohannon, Braun, Brown, Brown, Brown, Brown, Burke, Cockburn, Cox, De Swardt, Dingle, Dixey, Doucouré, Duncan, Fleming, Fleming, Gadd, Gallagher, Gallagher, Gallagher, Gallagher, Gilchrist, Gilchrist, Gilchrist, Gilchrist, Gunnell, Gurnis, Gurnis, Haq, Hartley, Heimsath, James, Jean Braun, King, King, King, King, Kooi, Kooi, Lithgow-Bertelloni, Lowry, Martin, Martin, Maud, Maud, McKenzie, Menzies, Michael A. Summerfield, Nguuri, Nyblade, Ollier, Ollier, Oreskes, Partridge, Partridge, Partridge, Partridge, Peter van der Beek, Pitman, Pugh, Pysklywec, Roderick W. Brown, Rust, Seidl, Smith, Stock, Stüwe, Summerfield, Summerfield, Summerfield, Summerfield, Summerfield, ten Brink, Tucker, van Balen, van der Beek, van der Beek, van der Beek, van der Beek, van der Wateren, Vasconcelos, von Veh, Watts, Weissel, Wellington, Widdowson   +89 more
core   +1 more source

Investigation on hard‐rock breaking performance and auxiliary mechanism of picks assisted with both‐sided high‐pressure water jets

Deep Underground Science and Engineering, EarlyView.
This paper investigates the high‐pressure water jet‐pick combined rock‐breaking mode (HPC), which employs high‐pressure water jets to precut grooves on both sides of the picks. The rock‐breaking patterns and performance of the HPC method are obtained, and the auxiliary rock‐breaking mechanism of water jet grooving is revealed.
Jingjing Lu, Jiancheng Xiao, Hui Zhou, Xiao Ma, Congcong Hou, Jian Cui, Fujian Yang   +6 more
wiley   +1 more source