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Title:

INVESTIGATION OF PERFORMANCE OF HEAVILY STABILIZED BASES IN HOUSTON, TEXAS, DISTRICT

Accession Number:

00713589

Record Type:

Component

Availability:

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Order URL: http://worldcat.org/issn/03611981

Abstract:

In situ strengths and performance of heavily stabilized bases in Houston, Texas, are evaluated. The falling weight deflectometer was used to evaluate in situ moduli. All sections had similar stabilizer contents (5 to 6%) and similar thicknesses (approximately 300 mm). The aim of the study was to (a) evaluate performance in flexible pavement systems and (b) if necessary, alter mix designs. Although similar designs were used in the pavements evaluated, the performance of the sections was dictated by the amount of shrinkage cracking that occurred. In fact, it appeared that the performance was inversely related to layer strength and stiffness. It was found what the cracking was largely influenced by the aggregate type used. In terms of structural strength, all sections were adequate. Recommendations include (a) limit the amount of stabilizer based on shrinkage criteria and (b) use a stress multiplication factor of 2 to account for cracking to predict the tensile stress under load.

Supplemental Notes:

This paper appears in Transportation Research Record No. 1486, Environmental Testing and Evaluation of Stabilized Wastes, Performance of Stabilized Materials, and New Aggregate Tests. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved

Monograph Accession #:

01399784

Language:

English

Authors:

Kota, Prakash B V S
Scullion, Tom
Little, Dallas N

Pagination:

p. 68-76

Publication Date:

1995

Serial:

Transportation Research Record

Issue Number: 1486
Publisher: Transportation Research Board
ISSN: 0361-1981

Features:

Figures (4) ; Photos (3) ; References (14) ; Tables (4)

Uncontrolled Terms:

Structural adequacy; Tensile stress

Geographic Terms:

Houston (Texas)

Old TRIS Terms:

Houston (Texas)

Subject Areas:

Geotechnology; Highways; Research; I42: Soil Mechanics

Files:

TRIS, TRB

Created Date:

Nov 22 1995 12:00AM

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