1. a. Give reasons for the following: i. Rocks generally have low tensile strength. ii. Surface roughness increases the shear strength of the surface. iii. Grain density is normally greater than dry density. iv. The presence of water and infilling materials in rock discontinuities can reduce slope stability drastically. v. The condition under which volumetric water content equals porosity.
1. a. Give reasons for the following: i. Rocks generally have low tensile strength. ii. Surface roughness increases the shear strength of the surface. iii. Grain density is normally greater than dry density. iv. The presence of water and infilling materials in rock discontinuities can reduce slope stability drastically. v. The condition under which volumetric water content equals porosity.
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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1. a. Give reasons for the following:
i. Rocks generally have low tensile strength.
ii. Surface roughness increases the shear strength of the surface.
iii. Grain density is normally greater than dry density.
iv. The presence of water and infilling materials in rock discontinuities can reduce slope stability drastically.
v. The condition under which volumetric water content equals porosity.
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