[1]陆勤,蒋永生,丁大钧.按塑性理论计算矩形截面钢筋混凝土简支梁的抗剪强度[J].东南大学学报(自然科学版),1988,18(1):23-29.[doi:10.3969/j.issn.1001-0505.1988.01.003]
 Lu Qin Jiang Yongsheng Ding Dajun (Department of Civil Engineering).Calculation for Shear Strength of Simpty Supported Reinforced Concrete Beams with Rectangular Section by Plastic Theory[J].Journal of Southeast University (Natural Science Edition),1988,18(1):23-29.[doi:10.3969/j.issn.1001-0505.1988.01.003]
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按塑性理论计算矩形截面钢筋混凝土简支梁的抗剪强度()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
18
期数:
1988年第1期
页码:
23-29
栏目:
本刊信息
出版日期:
1988-01-20

文章信息/Info

Title:
Calculation for Shear Strength of Simpty Supported Reinforced Concrete Beams with Rectangular Section by Plastic Theory
作者:
陆勤蒋永生丁大钧
南京工学院土木工程系; 南京工学院土木工程系
Author(s):
Lu Qin Jiang Yongsheng Ding Dajun (Department of Civil Engineering)
关键词:
钢筋混凝土 剪切破坏 塑性理论 屈服 上限解
Keywords:
reinforced concrete beam shear failure plastic theory yield upper bound solution
分类号:
+
DOI:
10.3969/j.issn.1001-0505.1988.01.003
摘要:
本文用塑性理论计算矩形截面钢筋混凝土简支梁的极限剪切强度。视钢筋混凝土梁为理想刚塑性体,提出了矩形截面梁剪切破坏时的破坏机构,以该机构为基础,推导得出了理论计算公式。用该公式对国内外120根试验梁的计算结果表明与试验值符合良好。作者用18根梁的抗剪强度试验证实了该破坏模式的正确性。最后对理论公式进行了简化,给出了简单实用,计算精度高的抗剪强度计算式,可供修订规范时参考。
Abstract:
Plastic theory is used in this paper to calculate the ultimate shear strength of rectangular RC beams simply supported.With the assumption that reinforced concrete was perfectly rigid-plastic,a kinematically admissible failure mechanism suitable for the shear failure of rectangular beams was presented and based on which theoretical calculation formulas were derived. The results of calculation are conformable to the test data of 120 beams tested in home and abroad.The test of 18 beams done by the authors proved that the failure mechanism proposed is realistic.Lastly,the theoretical formulas were simplified to be easily used in engineering design and be refered in modification of the Code.

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更新日期/Last Update: 2013-04-30