Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Laboratory and field performance of cellular fiber-reinforced polymer composite bridge deck systems
An FRP bridge deck in this discussion is defined as a structural element totally or partially made from FRP materials that transfers loads transversely to the bridge supports. We examined a deck produced from adhesively bonded pultrusions. A simulated tire patch was designed to approximate realistic tire contact loading conditions. The behavior of the FRP decks under the simulated tire loading patch is compared with the behavior under a steel loading patch. The results from both laboratory and field tests indicate that the unsupported edges are prone to failure and, therefore, not recommended for practical design and construction of a tube and plate deck system. For practice, the free edges should be avoided. Results indicate no significant load capacity loss after 4 million field wheel load cycles. Field monitoring of an FRP deck did not indicate significant stiffness loss after about 7 million cycles fatigue loading compared to that observed at the beginning of service (about 700000 cycles). Based on the results presented in the paper, the writers recommend that FRP decks made from adhesively bonded pultrusions are viable for highway bridge deck structure.
Laboratory and field performance of cellular fiber-reinforced polymer composite bridge deck systems
An FRP bridge deck in this discussion is defined as a structural element totally or partially made from FRP materials that transfers loads transversely to the bridge supports. We examined a deck produced from adhesively bonded pultrusions. A simulated tire patch was designed to approximate realistic tire contact loading conditions. The behavior of the FRP decks under the simulated tire loading patch is compared with the behavior under a steel loading patch. The results from both laboratory and field tests indicate that the unsupported edges are prone to failure and, therefore, not recommended for practical design and construction of a tube and plate deck system. For practice, the free edges should be avoided. Results indicate no significant load capacity loss after 4 million field wheel load cycles. Field monitoring of an FRP deck did not indicate significant stiffness loss after about 7 million cycles fatigue loading compared to that observed at the beginning of service (about 700000 cycles). Based on the results presented in the paper, the writers recommend that FRP decks made from adhesively bonded pultrusions are viable for highway bridge deck structure.
Laboratory and field performance of cellular fiber-reinforced polymer composite bridge deck systems
Die Gebrauchstüchtigkeit von zellenförmig strukturierten Brückenquerträgersystemen aus faserverstärktem Kunststoff in Labor- und Feldversuchen
Zhou, Aixi (Autor:in) / Coleman, Jason T. (Autor:in) / Temeles, Anthony B. (Autor:in) / Lesko, John J. (Autor:in) / Cousins, Thomas E. (Autor:in)
Journal of Composites for Construction ; 9 ; 458-467
2005
10 Seiten, 11 Bilder, 5 Tabellen, 22 Quellen
Aufsatz (Zeitschrift)
Englisch
Brückenbau , Fahrbahn , Brücke (Bauwerk) , glasfaserverstärkter Kunststoff , Epoxidharz , Pultrudieren , Stab , Klebverbindung , Belastungsprüfung (Mechanik) , Simulationsversuch , zyklische Belastung , zellenförmige Struktur , Laborversuch , Feldversuch , dynamische Ermüdung , Kante , Beschädigung , Gebrauchsdauer , Querträger
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