TRB Pubsindex
Text Size:
x

« Prev Next »

Return to Results | New Search

Bookmark and Share

Title:

Field Construction and Long-Term Performance Evaluation of Jointed Plain Concrete Pavement with FRP Dowels

Accession Number:

01552763

Record Type:

Component

Availability:

Transportation Research Board Business Office

500 Fifth Street, NW
Washington, DC 20001 United States

Abstract:

In this study, laboratory and field constructed Jointed Plain Concrete Pavements (JPCP) were evaluated with Fiber Reinforced Polymer (FRP) dowels and compared with JPCP consisting of steel dowels. Evaluations of JPCP with FRP and steel dowels consisted of laboratory testing of representative JPCP slabs and analytical modeling, new field construction and evaluation under static, dynamic, and falling weight deflectometer (FWD) tests, and rehabilitation of in-service JPCP. Laboratory testing of JPCP with FRP and steel dowels focused on joint deflection and dowel strain data collection for determining Load Transfer Efficiency (LTE) and joint Relative Deflections (RD) under static and 5 million cycles of HS-25 equivalent fatigue loads. Field construction of JPCP consisted of installing 38 mm and 25 mm diameter FRP dowels at 150 mm to 300 mm spacing. For comparison, 38 mm diameter steel dowels were installed at commonly used 300 mm spacing. Field evaluation consisted of measuring dowel strains and joint deflections. After 5 and 11 years of field service, FWD tests were performed to evaluate LTE of joints and found to be around or above 90%. Rehabilitation and evaluation of in-service JPCP were also carried out on an existing and distressed concrete pavement by using FRP dowels in lieu of traditional steel dowels. Analytical modeling of FRP dowels is presented in terms of maximum bending deflection, relative deflection, and bearing stress. FRP dowels were found to require less length than steel dowels for force transfer. Field installed JPCP with FRP dowels is performing very satisfactorily after 13 years of service.

Supplemental Notes:

This paper was sponsored by TRB committee AFD50 Rigid Pavement Design.

Monograph Accession #:

01550057

Report/Paper Numbers:

15-4301

Language:

English

Corporate Authors:

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Authors:

Vijay, P V
Li, Hui
GangaRao, H V S

Pagination:

12p

Publication Date:

2015

Conference:

Transportation Research Board 94th Annual Meeting

Location: Washington DC, United States
Date: 2015-1-11 to 2015-1-15
Sponsors: Transportation Research Board

Media Type:

Digital/other

Features:

Photos; References; Tables

Subject Areas:

Design; Highways; Pavements; I22: Design of Pavements, Railways and Guideways

Source Data:

Transportation Research Board Annual Meeting 2015 Paper #15-4301

Files:

TRIS, TRB, ATRI

Created Date:

Dec 30 2014 1:24PM