Shear Strength of P.P.C. Beams

by Bing-Zhang Jiang, Chongqing Inst of Communications, China,
Guang-Hong Xiao, Chongqing Inst of Communications, China,

Document Type: Proceeding Paper

Part of: Structural Design, Analysis and Testing


50 beams of partially prestressed concrete were tested and 82 data of the ultimate shear-strength were obtained. Based on these results, this paper studies the effects of the degree of prestress and the shear span to depth ratio on the ultimate shear strength. The different degree of prestress, shear span to depth ratio and stirrup were considered. The experimental formula of ultimate shear strength and a design formula were proposed.

Subject Headings: Reinforced concrete | Concrete beams | Shear strength | Construction materials | Load tests | Material tests | Structural strength | Prestressing

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