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Title:

PRESTRESSED PAVEMENT THICKNESS DESIGN (DISCUSSION AND CLOSURE)

Accession Number:

00372925

Record Type:

Component

Availability:

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Order URL: http://worldcat.org/isbn/0309035007

Abstract:

A computerized procedure for thickness design of zero-maintenance prestressed concrete pavements is presented. Factors considered in developing the design procedure include traffic loading, temperature and moisture variation in the concrete slab, loss of subbase support, properties of concrete, properties of subbase, properties of subgrade, and effective midslab prestress. The procedure is based on flexural stress analysis and prevention of bottom transverse cracking that may initiate from the longitudinal edge of the slab in the vicinity of midslab. Inputs for the computer program include number and magnitude of axle loadings, wheel placement, traffic volume distribution during a 24-h day, temperature data, load transfer effectiveness, and effective prestress at midslab. Program output is in terms of total fatigue consumption at the end of design life. If fatigue consumption is less than 100 percent, then the thickness meets design criteria. A design example is presented for a rural four-lane highway in Illinois. (Author)

Supplemental Notes:

Publication of this paper sponsored by Committee on Rigid Pavement Design. 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 #:

01416492

Authors:

Tayabji, S D
Colley, B E
Nussbaum, P J

Editors:

Herman, Scott C

Discussers:

Stanek, Floyd J; Friberg, Bengt F

Pagination:

pp 11-22

Publication Date:

1982

Serial:

Transportation Research Record

Issue Number: 888
Publisher: Transportation Research Board
ISSN: 0361-1981

ISBN:

0309035007

Media Type:

Print

Features:

Figures (6) ; References (27) ; Tables (2)

Uncontrolled Terms:

Pavement thickness; Subbase

Subject Areas:

Design; Freight Transportation; Highways; Materials; Pavements; I22: Design of Pavements, Railways and Guideways

Files:

TRIS, TRB

Created Date:

May 31 1983 12:00AM

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