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Title:

Performance of GFRP Bridge Deck Panels with Corrugated Web Layers Filled with PU Foam

Accession Number:

01553485

Record Type:

Component

Availability:

Transportation Research Board Business Office

500 Fifth Street, NW
Washington, DC 20001 United States

Abstract:

This paper presents the evaluation of innovative, low-cost, small-scale prototype deck panels that were examined under both monotonic and fatigue bending. This new system of panels introduces trapezoidal-shaped, web layers and a thermoset polyurethane resin that has a longer pot life to facilitate the infusion process. The core is filled with trapezoidal-shaped, low-density polyurethane foam. This proposed panel exhibited a higher structural performance in terms of flexural stiffness, strength, and shear stiffness compared to conventional sandwich panels. This study also sought to reduce initial costs. Each panel consisted of two stiff facings of plain-weave, woven E-glass fabric with webs of E-glass woven fabric that were separated by a trapezoidal- shaped, low-density polyurethane foam. The glass fiber-reinforced polymer (GFRP) panels used in this study were manufactured using a one-step, vacuum-assisted, resin transfer molding process (VARTM). Small-scale prototype deck panels were tested both statically and dynamically in four-point bending to investigate their static and fatigue behaviors, respectively. The initial failure mode for all of the panels was caused by the local phenomenon of outward compression skin wrinkling on the top facing. Ultimate failure was caused by local crushing of the top facing under the loading points due to excessive compressive stresses. The commercial software package ABAQUS (ver. 6.11) was used to develop and further investigate the panel’s structural behavior. The finite element model was successfully compared to experimental data, indicating its suitability for parametric analysis of panels and their design.

Supplemental Notes:

This paper was sponsored by TRB committee AFF80 Structural Fiber Reinforced Polymers. Alternate title: Performance of GFRP Bridge Deck Panels with Corrugated Web Layers Filled with Polyurethane Foam.

Monograph Accession #:

01550057

Report/Paper Numbers:

15-5403

Language:

English

Corporate Authors:

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Authors:

Tuwair, Hesham
Volz, Jeffery
Elgawady, Mohamed
Mohamed, Mohaned
Chandrashekhara, K
Birman, Victor

Pagination:

13p

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:

Figures; Photos; References; Tables

Identifier Terms:

ABAQUS (Computer program)

Subject Areas:

Bridges and other structures; Construction; Highways; Materials; I30: Materials; I53: Construction of Bridges and Retaining Walls

Source Data:

Transportation Research Board Annual Meeting 2015 Paper #15-5403

Files:

TRIS, TRB, ATRI

Created Date:

Dec 30 2014 1:49PM