Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Maintenance free corrosion protection for composite bridges with hot‐rolled sections
Increasing problems in terms of damages on bridges correlated with partly massive long‐term impacts on road traffic have shown how essential it is to ensure the durability of the infrastructure and thus the mobility of people as well as the exchange of goods. Corrosion damages can be sustainably avoided in future by alternative protection systems for steel and composite bridges. Both the hot‐dip galvanizing with a layer thickness of at least 200 μm as well as weathering steel offer crucial advantages over traditionally used coating systems considering the whole life cycle of the bridge: they require no maintenance and hence traffic interferences can be avoided. When using these systems in combination with hot‐rolled sections, there are further significant advantages in making composite bridges more economical and durable, particularly in the field of short and medium spans. Standard higher strengths with steel grade S460 allow for more economical cross‐sections with weight savings in steel construction of often 20–30% over welded built‐up sections in S355.
Maintenance free corrosion protection for composite bridges with hot‐rolled sections
Increasing problems in terms of damages on bridges correlated with partly massive long‐term impacts on road traffic have shown how essential it is to ensure the durability of the infrastructure and thus the mobility of people as well as the exchange of goods. Corrosion damages can be sustainably avoided in future by alternative protection systems for steel and composite bridges. Both the hot‐dip galvanizing with a layer thickness of at least 200 μm as well as weathering steel offer crucial advantages over traditionally used coating systems considering the whole life cycle of the bridge: they require no maintenance and hence traffic interferences can be avoided. When using these systems in combination with hot‐rolled sections, there are further significant advantages in making composite bridges more economical and durable, particularly in the field of short and medium spans. Standard higher strengths with steel grade S460 allow for more economical cross‐sections with weight savings in steel construction of often 20–30% over welded built‐up sections in S355.
Maintenance free corrosion protection for composite bridges with hot‐rolled sections
Rademacher, Dennis (Autor:in)
ce/papers ; 3 ; 127-132
01.09.2019
6 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Corrosion Protection: Concrete Bridges
| NTIS | 1998