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Development of timber–UHPC composite bridge system

 Development of timber–UHPC composite bridge system
Autor(en): , , , ,
Beitrag für IABSE Symposium: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, 25-27 May 2022, veröffentlicht in , S. 293-300
DOI: 10.2749/prague.2022.0293
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This paper describes the development of an innovative timber–concrete composite (TCC) bridge system. The optimization of TCC bridge structures using the application of a precast bridge deck made of...
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Bibliografische Angaben

Autor(en): (Klokner institute, Czech technical university in Prague, Prague, Czech Republic)
(Klokner institute, Czech technical university in Prague, Prague, Czech Republic)
(Klokner institute, Czech technical university in Prague, Prague, Czech Republic)
(Klokner institute, Czech technical university in Prague, Prague, Czech Republic)
(Faculty of Civil Engineering, Czech technical university in Prague, Prague, Czech Republic.)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, 25-27 May 2022
Veröffentlicht in:
Seite(n): 293-300 Anzahl der Seiten (im PDF): 8
Seite(n): 293-300
Anzahl der Seiten (im PDF): 8
DOI: 10.2749/prague.2022.0293
Abstrakt:

This paper describes the development of an innovative timber–concrete composite (TCC) bridge system. The optimization of TCC bridge structures using the application of a precast bridge deck made of ultra-high-performance concrete (UHPC) was studied in this research program. The first part of research program was focused on the verification of mechanical characteristics of the proposed shear connection system. Another part of the experiments was focused on the verification of the load-bearing capacity of thin slabs made of a local mixture of UHPC. Finally, a full-scale experimental structure was built. The load-bearing structure was designed as glue-laminated timber beams connected with only 60-mm-thick precast bridge deck segments made of UHPC. The overall load test of experimental structure until failure was performed. The results of the experiments were evaluated in detail and compared with analytical calculations and numerical simulations.

Stichwörter:
Fußgängerbrücke Holz-Beton-Verbund UHPC
Copyright: © 2022 International Association for Bridge and Structural Engineering (IABSE)
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