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The application and development of prestressed concrete composite box-girder bridge with corrugated steel webs and reactive powder concrete were summarized in this paper. The authors analyzed the characteristics of prestressed concrete composite box-girder bridge with corrugated steel webs and tapped the potential and predominance of reactive powder concrete. A new type of prestressed reactive powder...
In this paper the bending test is carried out on three types of flexible specimen of reactive powder concrete. The author studies and analyses the flexible mechanical behavior and it's influence factor by changing steel fiber content under standard curing condition. According measured load-deflection curve, the flexible principle of work is ascertained clearly. Meanwhile, the index of bend ductility,...
Reactive powder concrete cube strength test and axial compression test is carried out on rigid compression-testing machine controlled by electro hydraulic servo valve at various curing conditions and steel fiber content. Strength grade is quantified by testing cube compressive strength and stress-strain curve is obtained by axial compressive test of reactive powder concrete. To compare different stress-strain...
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