Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Seismic Response of Soil-Steel Bridge with the EPS Geofoams
Abstract The soil-steel bridges and culverts constitute a more and more popular structural solution for the transportation investments. The span of soil-steel bridges is typically ranging from 3 to 25 m, therefore they can be used as an effective alternative for short-span bridges. Analyses of soil-steel bridges under seismic excitations are so far limited. Up to now, the analyses concerned the behaviour under static and dynamic loading. The design codes and calculation methods related to the soil-steel bridges and culverts treat the seismic excitation in the limited range. The analysed bridge was constructed as a shell structure assembled of corrugated steel plates. The bridge span is 17.67 m, clear height of 6.05 m, the thickness of corrugated steel plate of 0.007 m, corrugation depth of 0.14 m, corrugation pitch of 0.38 m. To reduce the impact of a seismic wave on the soil-steel bridge, the EPS geofoams were applied. Therefore, three numerical models were created. The first model (model I) does not contain the geofoam and two next models (II and III) include the use of EPS geofoams with different densities and Young modulus. Numerical analysis was conducted using the DIANA program based on the finite element method. This paper presents the results of a numerical study of the soil-steel bridge under seismic excitation (El Centro record). The obtained results can be interesting for bridge engineers and scientists dealing with designing and analysis of bridges situated on seismic and mining areas.
Seismic Response of Soil-Steel Bridge with the EPS Geofoams
Abstract The soil-steel bridges and culverts constitute a more and more popular structural solution for the transportation investments. The span of soil-steel bridges is typically ranging from 3 to 25 m, therefore they can be used as an effective alternative for short-span bridges. Analyses of soil-steel bridges under seismic excitations are so far limited. Up to now, the analyses concerned the behaviour under static and dynamic loading. The design codes and calculation methods related to the soil-steel bridges and culverts treat the seismic excitation in the limited range. The analysed bridge was constructed as a shell structure assembled of corrugated steel plates. The bridge span is 17.67 m, clear height of 6.05 m, the thickness of corrugated steel plate of 0.007 m, corrugation depth of 0.14 m, corrugation pitch of 0.38 m. To reduce the impact of a seismic wave on the soil-steel bridge, the EPS geofoams were applied. Therefore, three numerical models were created. The first model (model I) does not contain the geofoam and two next models (II and III) include the use of EPS geofoams with different densities and Young modulus. Numerical analysis was conducted using the DIANA program based on the finite element method. This paper presents the results of a numerical study of the soil-steel bridge under seismic excitation (El Centro record). The obtained results can be interesting for bridge engineers and scientists dealing with designing and analysis of bridges situated on seismic and mining areas.
Seismic Response of Soil-Steel Bridge with the EPS Geofoams
Maleska, Tomasz (Autor:in) / Nowacka, Joanna (Autor:in) / Beben, Damian (Autor:in)
INCREaSE 2019 ; 1043-1054
20.09.2019
12 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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