Brief Analysis on Crack of Unbonded Partially Prestressed RPC Beam

Brief Analysis on Crack of Unbonded Partially Prestressed RPC Beam

Reactive Powder Concrete (RPC) has excellent properties such as high toughness and high durability. In this paper, based on the experimental research of the different unbonded prestressed tendons of the unbonded partially prestressed RPC beams, the crack calculation of prestressed RPC beams is analy...

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Veröffentlicht in:Applied Mechanics and Materials 2012-11, Vol.238, p.181-184
Hauptverfasser: Jin, Ling Zhi, Deng, Ning, Lv, Bing Feng, Cao, Xia, Fu, Qiang
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creator Jin, Ling Zhi
Deng, Ning
Lv, Bing Feng
Cao, Xia
Fu, Qiang
description Reactive Powder Concrete (RPC) has excellent properties such as high toughness and high durability. In this paper, based on the experimental research of the different unbonded prestressed tendons of the unbonded partially prestressed RPC beams, the crack calculation of prestressed RPC beams is analyzed. The results show that the crack regulation is special in some extent of the unbonded partially prestressed RPC beams. It is suggested that the crack width of unbonded partially prestressed RPC beams calculated in accordance with the specification for unbounded partially prestressed concrete structure should multiply the reduction factor of 0.7.
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