[1]丁大钧,庞同和.钢筋混凝土矩形截面偏心受压构件刚度和裂缝的试验研究[J].东南大学学报(自然科学版),1980,10(1):33-47.[doi:10.3969/j.issn.1001-0505.1980.01.003]
 Ding Da-jun Pang Tong-he.Experimental Studies of Stiffness and Crack of Eccentrically Loaded Reinforced Concrete Members with Rectangular Sections[J].Journal of Southeast University (Natural Science Edition),1980,10(1):33-47.[doi:10.3969/j.issn.1001-0505.1980.01.003]
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钢筋混凝土矩形截面偏心受压构件刚度和裂缝的试验研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
10
期数:
1980年第1期
页码:
33-47
栏目:
本刊信息
出版日期:
1980-03-20

文章信息/Info

Title:
Experimental Studies of Stiffness and Crack of Eccentrically Loaded Reinforced Concrete Members with Rectangular Sections
作者:
丁大钧庞同和
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Author(s):
Ding Da-jun Pang Tong-he
关键词:
小偏心受压构件 矩形截面 裂缝试验 刚度 全过程 大偏心受压 裂缝宽度 平均应变 试件尺寸 平截面假定
分类号:
+
DOI:
10.3969/j.issn.1001-0505.1980.01.003
摘要:
我国钢筋混凝土结构设计规范(TJ10—74)中未列出偏心受压构件刚度和裂缝的计算方法。本文提供24根矩形截面钢筋混凝土短柱钢筋应变和部分试件受压混凝土应变全过程以及挠度和曲率的全过程量测资料,此外还提供大偏心受压试件裂缝宽度的量测资料。应变量测表明平均应变符合平截面假定,少数试件且量测至破坏阶段。验算表明,原先为完成规范中刚度和裂缝计算体系所建议的偏心受压刚度和裂缝计算公式符合较好。
Abstract:
In our national Design Code of Reinforced Concrete Structures TJ10-74, there are no recommended methods for computing stiffness and crack of eccentrically loaded members. In this paper, for twenty-four short columns with rectangular sections, the authors give the test data of whole process of strains in the steel bar and some compressive concrete, together with those of the deflections and curvatures; besides, they also give the data of crack widths for the specimens with large eccentricities. The strain measurement proves that the average strains agree with the assumption of plane section. For some specimens, measuring was carried out up to failure. The test data agree satisfactorily with the values computed by the formulas of stiffness and crack proposed in this paper.

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更新日期/Last Update: 2013-05-01