Download Geoenvironmental Engineering: Principles and Applications by Lakshmi Reddi, Hilary I. Inyang PDF

March 28, 2017 | Waste Management | By admin | 0 Comments

By Lakshmi Reddi, Hilary I. Inyang

"Applies technological know-how and engineering ideas to the research, layout, and implementation of technical schemes to represent, deal with, alter, and reuse/store waste and infected media. contains website remediation."

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Extra resources for Geoenvironmental Engineering: Principles and Applications (Books in Soils, Plants & the E)

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Three popular simplifications are for the cases of z ϽϽ 1, z ϭ infinity, and ξ ϾϾ 1. 14) is often referred as the Debye-Huckel equation, and 1/K represents the characteristic length or thickness of the double layer (also known as the Debye length). With the known electric potentials, the ion distributions may now be obtained using Eqs. 5). The Gouy-Chapman theory may be extended for the case of two interacting double layers when two clay surfaces approach each other. This case is shown TM Copyright n 2000 2003 by Marcel Dekker, Inc.

All Rights Reserved. 16 (a) Tetrahedral and (b) octahedral layers with symbolic notations. anions at the interface of the two layers contributes to the charge neutrality. Such stacking of layers results in the so-called subbasic or semibasic units. The nomenclature used for the unit formed between one octahedral layer and one tetrahedral layer is 1 : 1. Another important unit is formed when an octahedral layer is sandwiched between two tetrahedral layers, with ionic bonds on either side of the octahedral layer, and is represented as 2: 1.

All Rights Reserved. 1 INTRODUCTION As we have seen in Chapter 1, nature creates a large number of variations in soil composition during the stages of soil formation. When man-made variations due to engineered processes (such as compaction) are added to these, the task of defining the physical appearance of soils becomes very difficult. The term fabric is commonly used to denote the physical arrangement of individual particles in soils. We will see shortly that identification of a ‘‘particle’’ is itself a matter of judgment in clays.

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