Seismic strengthening of nonductile bridge piers using low-cost glass fiber polymers

• Autorzy: Rodsin, K. , Hussain, Q. , Joyklad, P. , Nawaz, A. , Fazliani, H.
• Języki publikacji: EN

Abstrakty

EN

Several recent earthquakes have indicated that the design and construction of bridges based on former seismic design provisions are susceptible to fatal collapse triggered by the failure of reinforced concrete columns. This paper incorporates an experimental investigation into the seismic response of nonductile bridge piers strengthened with low-cost glass fiber reinforced polymers (LC-GFRP). Three full-scale bridge piers were tested under lateral cyclic loading. A control bridge pier was tested in the as-built condition and the other two bridge piers were experimentally tested after strengthening them with LC-GFRP jacketing. The LC-GFRP strengthening was performed using two different configurations. The control bridge pier showed poor seismic response with the progress of significant cracks at very low drift levels. Test results indicated the efficiency of the tested strengthening configurations to improve the performance of the strengthened bridge piers including crack pattern, yield, and ultimate cyclic load capacities, ductility ratio, dissipated energy capacity, initial stiffness degradation, and fracture mode.

Słowa kluczowe

PL

materiały kompozytowe; plastyczność; włókno szklane; polimery; trzęsienie ziemi; wzmocnienia; FRP

EN

composite materials; ductility; glass fiber; polymers; earthquake; strengthening; FRP

• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2020
• Tom: Vol. 68, nr 6
• Strony: 1457--1470
• Opis fizyczny: Bibliogr. 47 poz., rys., tab.

Twórcy

autor

Rodsin, K.

• Center of Excellence in Structural Dynamics and Urban Management, Department of Civil and Environmental Engineering Technology, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand

autor

Hussain, Q.

• Center of Excellence in Earthquake Engineering and Vibration, Department of Civil Engineering, Chulalongkorn University, Thailand,

autor

Joyklad, P.

• Department of Civil and Environmental Engineering, Faculty of Engineering, Srinakharinwirot University, Thailand,

autor

Nawaz, A.

• Department of Civil Engineering, COMSATS University, Wah Campus, Wah Cantt., Pakistan

autor

Fazliani, H.

• School of Environment, Resources and Development, Asian Institute of Technology, Thailand

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).

Identyfikatory

DOI

10.24425/bpasts.2020.135383