Load tests of damaged railroad timber stringers repaired by shear spiking-Reference-Cited by-同舟云学术

Load tests of damaged railroad timber stringers repaired by shear spiking

Published:2012-06 Issue:6 Volume:165 Page:309-321
ISSN:0965-0911
Container-title:Proceedings of the Institution of Civil Engineers - Structures and Buildings
language:en
Short-container-title:Proceedings of the Institution of Civil Engineers - Structures and Buildings

Author:

Forsling Henrik P.¹,Gutkowski Richard M.²,Radford Don W.³,Balogh Jeno⁴

Affiliation:

1. URS Corporation, Denver, Colorado, USA

2. Department of Civil and Environmental Engineering, Colorado State University, Fort Collins, Colorado, USA

3. Department of Mechanical Engineering, Colorado State University, Fort Collins, Colorado, USA

4. Civil Engineering and Technology Department, Metropolitan State College of Denver, Denver, Colorado, USA

Abstract

The effectiveness of intentionally damaged full-size timber bridge members repaired by shear spiking was examined experimentally. Pultruded fibre-glass composite rods are inserted vertically through areas of damage to rejuvenate the horizontal shear properties of timber members. An epoxy-resin adhesive is used to bond the fibre-glass shear spikes to the wood and partially fill adjacent cracks and decay voids. Eight full-size railroad bridge timber stringers were intentionally damaged by partial or complete saw cuts through the width of the members to simulate minor and major deterioration, after which they were stiffened through the process of shear spiking. Although minor damage had much lower initial effects than major damage, significant percentage recovery of lost stiffness occurred in all members.

Publisher

Thomas Telford Ltd.

Subject

Building and Construction,Civil and Structural Engineering

Link

https://www.icevirtuallibrary.com/doi/pdf/10.1680/stbu.10.00020

Reference37 articles.

1. Strengthening Timber Bridge Beams Using Carbon Fiber

2. Burgers TA . Composite Repair of Full-Scale Timber Bridge Chord Members through the Process of Shear Spiking. MS thesis, 2005, Department of Civil and Environmental Engineering, Colorado State University, Fort Collins, CO, USA.

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1. Editorial;Proceedings of the Institution of Civil Engineers - Structures and Buildings;2012-06