Français
1. Equipment, support devices and protective elements
A bridge is first and foremost intended to provide a service with a level of safety normally accepted by society. The bridge's equipment, supports and protective elements play a major role in ensuring the required level, enabling users to cross an obstacle without any risks other than those associated with their own behavior. Can you imagine using a road bridge without a wearing course, lateral restraint systems or expansion joints? The cost of equipment usually represents 8 to 12% of the total initial cost of a bridge, and in certain extreme cases can reach 25 to 30%. But the cost of maintenance represents a much higher fraction of the overall funds allocated to the maintenance of engineering structures by the State or local authorities.
It makes little sense to talk about the pathology of equipment: its lifespan cannot be compared to that of the supporting structure,...
The Ultimate Scientific and Technical Reference
This article is included in
Pathologies and building rehabilitation
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
Equipment, support devices and protective elements
Bibliography
Standards and norms
- Actions on structures – Part 1-1: general actions – Weights by volume – Own weights – Building operating expenses. - NF EN 1991-1-1 Eurocode 1 : -
- Actions on structures – Part 2: Actions on bridges due to traffic (March 2004) and national application document (March 2008). - NF EN 1991-2 et NF EN 1991-2/NA Eurocode 1 : -
- Actions on structures – Part 1-5: general actions – Thermal Actions (March 2004)...
Regulations
Highway code.
The Ultimate Scientific and Technical Reference
