Behaviour of bridge bearings and expansion joints; state-of-the-art-report (AGB2000/405)

Project

Behaviour of bridge bearings and expansion joints; state-of-the-art-report (AGB2000/405)

Funding origin:

Switzerland

STRIA Roadmaps:

Transport infrastructure (INF)

Transport mode:

Road

Transport sectors:

Passenger transport

Freight transport

Duration:

Start date: 01/04/2001,

End date: 01/12/2003

Status: Finished

Funding details:

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Overview

Background & policy context:

Expansion joints and bearings for road bridges must comply with strict requirements, which in practice are often underestimated. Any damage to these two components of a bridge structure immediately restricts its serviceability, so that immediate action is required in order to re-establish the capability of bridge to carry loads safely and be fit for normal use.

There are old standards SIA 160 and ASTRA for constructional details of bridges cover expansion joints and bridge bearings.

Objectives:

Determine the state of the art for steel expansion joints and bearings for road bridges.

Identify quality requirements and product characteristics of expansion joints and bridge bearings.

Methodology:

Survey involving 7 Departments of Public Works in various Swiss cantons and 7 manufactures and suppliers.

Discuss the problems in individual meetings.

Preparing conclusions in cooperation with stakeholders.

Preparation of final report.

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