Chapter
Apr 26, 2012

Fiber and Fly Ash Stabilization Methods to Treat Soft Expansive Soils

Publication: Soft Ground Technology

Abstract

This paper presents a summary of test results from two separate studies conducted on expansive soil stabilization using recycled waste materials. Fly ash and polypropylene fibers were evaluated in these studies. Two different expansive soil types were used as control soils. Both methods increased strength and decreased shrinkage strains of raw expansive soils. Fly ash method also reduced plasticity and free swell characteristics. Both stabilizers are recycled waste products and therefore their use in soil stabilization will reduce landfilling costs and enhance recycling efforts.

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Go to Soft Ground Technology
Soft Ground Technology
Pages: 136 - 145

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Published online: Apr 26, 2012

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Anand Puppala
Assistant Professor and Member, ASCE, The University of Texas at Arlington, Arlington, Texas 76019.
Laureano Hoyos
A.M.ASCE
Assistant Professor, ASCE, The University of Texas at Arlington, Arlington, Texas 76019.
Chirayus Viyanant
Former Graduate Research Assistant, The University of Texas at Arlington, Arlington, Texas 76019.
Chisha Musenda
Project engineer, Soiltech Engineering & Testing, Inc., Fort Worth, Texas 76118.

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