[PDF][PDF] Rock failure

DA Lockner - Rock physics and phase relations: A handbook of …, 1995 - researchgate.net
1.1. Background Analysis of a wide range of problems in the geosciences requires
knowledge of the failure process in rock. This includes tunnel design and other engineer-ing …

The porosity and engineering properties of vesicular basalt in Saudi Arabia

AA Al-Harthi, RM Al-Amri, WM Shehata - Engineering Geology, 1999 - Elsevier
The presence of non-connected vesicles in extensive basalt flows in western Saudi Arabia
greatly affects their engineering properties such as compressive strength, modulus of …

Effect of planar structures on the anisotropy of Ranyah sandstone, Saudi Arabia

AA Al-Harthi - Engineering geology, 1998 - Elsevier
The anisotropy of metamorphic and sedimentary rocks is mainly due to the presence of a
single set of discontinuity surfaces such as cleavage, foliation, schistosity, joints …

[图书][B] Meteorização do granito e deterioração da pedra em monumentos e edifícios da cidade do Porto

AJS de Begonha - 1997 - books.google.com
O granito do Porto aflora em grande parte da cidade do Porto, estendendo--se ainda para
os concelhos de Vila Nova de Gaia, Matosinhos e Maia, contactando a este com o …

Geomechanical evaluations of Karaj tuffs for rock tunneling in Tehran–Shomal Freeway, Iran

A Yassaghi, H Salari-Rad, H Kanani-Moghadam - Engineering Geology, 2005 - Elsevier
This paper attempts to present a general approach to geomechanical evaluations of Karaj
tuffs required for design and support of Tehran–Shomal Freeway tunnels. The freeway is to …

[PDF][PDF] Effect of ore heterogeneity on the ball mill wear rate during a grinding process at gold mines of Saudi Arabia (KSA)

GS Abdelhaffez, HM Ahmed… - Min. Miner. Depos …, 2023 - pdfs.semanticscholar.org
Purpose. The current research aims to study the effect of gold ore grinding on the wear rate
of grinding balls. Methods. Six boulder rock samples were selected from some KSA mines; …

Classification of weathered andesitic rock materials from the İzmir Subway line on the basis of strength and deformation

TK Koca, MY Koca - Bulletin of Engineering Geology and the Environment, 2019 - Springer
Variously weathered pink andesite and autobreccia samples collected from the boreholes at
the elevation of the İzmir Subway line were investigated for mineralogical content and …

[PDF][PDF] Physicomechanical characteristics of charnockitic rock of Akure, Southwest Nigeria

OA Ademeso, BM Olaleye - Gen. Sci. Res, 2014 - Citeseer
Charnockitic rock is one of the varieties of crystalline rocks that dot the face of the earth. Its
reputation for aesthetics tends to impact a high economic value on it. This warrants more …

Determination of the Deformability, Modulus Ratios and Anisotrophic Behavior of the Micaschists; A Case Study From Burgaz Dam Site, İzmir-Turkey

S Uslu, MY Koca - Jeoloji Mühendisliği Dergisi, 2019 - dergipark.org.tr
Base rock of the Burgaz dam in the eastern part of the city of İzmir consists of micaschists
having different physical and mechanical properties due to weathering and fracturing. The …

[PDF][PDF] 32. RELATIONSHIPS BETWEEN STRENGTHS AND PHYSICAL PROPERTIES OF SAMPLES RECOVERED DURING LEGS 137,140, AND 148 FROM HOLE …

D Moos, PA Pezard - … of the Ocean Drilling Program: Scientific …, 1996 - www-odp.tamu.edu
We have measured the unconfined strength and the tangent Young's modulus under
uniaxial loading conditions of 16 minicores sampled from material recovered over the …