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高强箍筋高强混凝土梁抗剪试验研究 被引量:8

Experimental study on shear behavior of reinforced concrete beam with high strength stirrup
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摘要 普通配筋的高强混凝土构件抗剪性能较差,脆性性质明显.配置高强箍筋能改善高强混凝土梁的抗剪性能,减小脆性性质.通过6根配有高强箍筋的简支梁试验,研究高强箍筋高强混凝土梁的抗剪性能,以及各种因素对构件抗剪性能的影响.试验中使用极限强度为800N/mm2和1 100N/mm2的箍筋,结果证实合理配置高强箍筋能有效改善构件的抗剪性能. Shear capability of high-strength concrete member with normal-strength steel proves to be poor, so this kind of member would suffer brittleness failure. Shear performance would be improved by using high strength stirrup ato high-strength concrete. Brittleness could be reduced as well. The research was carried out for performance of high-strength stirrup and high-strength con- crete beam by tests of 6 simple-supported beams. The study of influence on the shear behavior of beam by some factors was done as well. The ultimate strength of hoops was 800 N/mm^2 and 1 100N/mm^2 in this test. The result indicates that reasonable use of high-strength stirrup can improve shear capability of concrete beams availability.
出处 《西安建筑科技大学学报(自然科学版)》 CSCD 北大核心 2012年第2期198-203,共6页 Journal of Xi'an University of Architecture & Technology(Natural Science Edition)
基金 国家自然科学基金资助项目(50978215)
关键词 高强箍筋 抗剪性能 简支梁 high strength stirrup shear behavior simply supported beam
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