|Statement||[by] G. Kassif, M. Livneh [and] G. Wiseman.|
|Contributions||Livneh, M., joint author., Wiseman, G. joint author.|
|LC Classifications||TE251 .K37|
|The Physical Object|
|Pagination||xv, 218 p.|
|Number of Pages||218|
|LC Control Number||77952156|
ASCE Subject Headings: Clays, Expansive soils, Soil stabilization, Structural stability, Pavements, Water content, Soil water, Load factors, United States Journal of Materials in Civil Engineering Vol. 14, Issue 6 (December ). Pavements on Highly Expansive Clays 1 Purpose The purpose of this PIN is to explain the design and construction requirements for pavements on highly expansive subgrades. Many Engineers have an unwarranted fear of this condition which is probably due to ignorance and havingFile Size: KB. J.G. Zornberg and R. Gupta / Reinforcement of Pavements over Expansive Clay Subgrades Many of the projects in which geosynthetics were used in-volved pavements in the Forth Worth–Dallas area. This location is known to have problems with clays of high plasticity. In gen-eral, the geosynthetic reinforcements were placed in the pave-File Size: 2MB. Settlement or heave of expansive clay occurs with water insertion or extraction (Navarro et al., ). As a result, infrastructure built on or in these clays is known to fail structurally and/or deform unacceptably, resulting in a combined annual cost of $30 billion to the United States and China in rectification works (Li et al., ).
Design of Pavements on Expansive Clay Subgrades Robert L. Lytton. Professor, Fred J. Benson Endowed Chair. Zachry Department of Civil Engineering. Texas A&M University. Foundation Performance Association. Houston, Texas. Decem File Size: 6MB. Expansive soils, which shrink or swell under changing moisture conditions, cause more damage to structures, particularly light buildings and pavements, than any other natural hazard, including earthquakes and floods. This book describes the engineering problems of foundations built on expansive soils. It presents techniques for dealing with the problems of construction and . Expansive soils present significant geotechnical and structural engineering challenges the world over, with costs associated with expansive behaviour estimated to run into several billion annually. Essential technical information for building on expansive soils--complete with practical, proven design methods. Expansive Soils examines factors that influence the design offoundations and pavements built on expansive soils, and exploreskey design procedures and remedial measures that address thesefactors effectively. Backed by the authors' extensive research .
Pavement Design for Roads on Expansive Clay Subgrades The pavements design methods are found to be the primary cause of these failures. Thus, it . Warped pavements founded on expansive clays often result in maintenance costs that are experienced sooner in the pavement life than anticipated. Even if the effect of warping is not serious enough for repair, its effect on vehicle operations does little good for the reputation of pavement designers and highway Size: 4MB. Overall, the field observations highlight the significant benefits associated with the use of geogrids in pavements over expansive clay subgrades, although there is still the need for more rationale design methodologies. associated with the use of geogrids in pavements over expansive clay subgrades, although there is still the need for better characterization of the relevant soil-reinforcement properties. Keywords: expansive clays, geosynthetics, pavements, reinforcement, subgrade.