Homework 1: a sample of rock has a total mass of 300 gm and a dry mass of 250 gm with a real specific weight of 2.77 and a degree of saturation of 80%. Find the following: Total volume, volume of sold particles, volume of voids, total density, dry density, void ratio, porosity, moisture content. |Ans: V=152.75 cm', v.-90.25 cm', V,-62.5 cm', y=1.964 gm/ cm. YF1. 64 gm/ cm', e-0.693, n-0.41, and o-0.2]

Homework 1: a sample of rock has a total mass of 300 gm and a dry mass of 250 gm with a real specific weight of 2.77 and a degree of saturation of 80%. Find the following: Total volume, volume of sold particles, volume of voids, total density, dry density, void ratio, porosity, moisture content. |Ans: V=152.75 cm', v.-90.25 cm', V,-62.5 cm', y=1.964 gm/ cm. YF1. 64 gm/ cm', e-0.693, n-0.41, and o-0.2]

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Field applications of hydraulic conductivity

Hydraulic conductivity is one of the hydraulic properties of soil defined as a measurement of the ability of a porous medium to permit water movement or fluid flow through it. It is denoted by the letter K. It is influenced by the density and viscosity of the fluid. It is also called permeability. Hydraulic conductivity is defined as the ratio of velocity to the hydraulic gradient. The different methods used to determine the hydraulic conductivity are laboratory methods (constant head permeability tests and falling head tests), in-situ field methods (pumping in and pumping out tests), small scale field tests (infiltration tests and slug tests), and indirect methods such as estimation from grain size, consolidation test data, and horizontal capillary test. The pedotransfer function (PTF) method is a specific empirical estimating approach employed in the soil sciences is also used to determine the hydraulic conductivity of the soil.

Question

Homework 1: a sample of rock has a total mass of 300 gm and a dry mass of
250 gm with a real specific weight of 2.77 and a degree of saturation of 80%.
Find the following:
Total volume, volume of sold particles, volume of voids, total density, dry
density, void ratio, porosity, moisture content.
|Ans: V=152.75 cm', V,-90.25 cm', V-62.5 cm', y=1.964 gm/ cm',
YF1. 64 gm/ cm', e-0.693, n=0.41, and o-0.2 ]

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A parameter m in the Hoek-Brown criterion indicates how the type of rock affects the criterion's strength. It is anticipated that the rock will be stronger with a greater value of m. Using the values of m provided in the question and comparing the peak compressive strengths of granite, rhyolite, and marble with each other, qu = 100MPa For marble (m = 7): peak compressive strength =? For rhyolite (m =17): peak compressive strength =? For granite (m = 25): peak compressive strength =?
Homework 1: a sample of rock has a total mass of 300 gm and a dry mass of 250 gm with a real specific weight of 2.77 and a degree of saturation of 80%. Find the following: Total volume, volume of solid particles, volume of voids, total density, dry density, void ratio, porosity, moisture content. Ans: V=152.75 cm³, V-90.25 cm³, V, 62.5 cm³, y-1.964 gm/ cm³, Ya 1. 64 gm/ cm³, e-0.693, n-0.41, and 6-0.2 ]
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