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Author(s):	Maghsoudi, Mohammad; Maghsoudi, Aliakbar; Heshmati, Arash Ali
Title:	The monitored and theoretical ultimate moment and ductility of pre-tensioned HSSCC bridge girders
Abstract:	Self-compacting concrete (SCC) is defined as highly flowable and non-segregating concrete that does not require mechanical vibration during application. Load testing of bridge girders was investigated on full scale T-beams of pre-tensioned high strength self-compacting concrete (PHSSCC). The girders were monitored by fixing different types of sensors at different locations. The results of ultimate moment are compared to evaluate if such girders can be designed using AASHTO Load and Resistance Factor Design (LRFD) Specifications; AASHTO Standard Specifications for Highway Bridges (STD) and the PCI Bridge Design Manual are intended for structures constructed using conventional (non-vibrated) concrete. It is concluded that good agreement in results exists for the two methods. Investigations (theoretical and experimental) are needed on the issue of ductility in structural prestressed elements constructed in seismic zones or even, the issue of high strength in SCC. These have also been studied here, with the conclusion that suitable ductility for this type of structure, as would be needed in seismic regions, can be achieved.
Source:	Structural Concrete 17 (2016), No. 5
Page/s:	883-895
Language of Publication:	English

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