STABILITY LIMIT AXIAL FORCE AND ALLOWABLE ROTATION ANGLE OF STEELCONCRETE COMPOSITE COLUMNS
钢-混凝土组合柱稳定极限轴力及许用转角
基本信息
- 批准号:07455224
- 负责人:
- 金额:$ 3.33万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:1995
- 资助国家:日本
- 起止时间:1995 至 1996
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Sreel-concrete composite columns have been used as the beam-column members of high-rise building in Japan. The columns of lower stories of high rise building are subjected to both high axial compressive force and repeated bending under the earthquake excitation. It is indicated that the effect of vertical force on the inelastic behavior is very large, and for this Steel Reinforced Concrete Standard of AIJ prescribes a limiting value of axial load for a beam-column which requires the deformation capacity.The objectives is to study the strength and behavior of steel-concrete composite columns subjected to constant compressive load and repeated bending. As the main test parameter, axial load ratio on a column was selected.Thirty-six concrete filled steel square and forty concrete filled steel circular tubular columns are tested. The steel portion of a specimen is a cold-formed square and circular section. In addition to the axial load ratio, width-thickness ratio and diameter-thickness ratio are selected as the experimental parameters.Twenty-two SRC columns are tested. In addition to the axial load ratio, steel area ratio is selected as the experimental parameters.From the test results, inelastic behavior, maximum strength, energy dissipation capacity and deformation capacity are discussed. We have shown relations between axial load ratio and critical rotation angle of a column.
钢骨-混凝土组合柱在日本已被用作高层建筑的梁柱构件。高层建筑下部柱子在地震作用下既承受高轴向压力,又承受反复弯曲。结果表明,竖向力对组合柱的弹塑性影响很大,AIJ《型钢混凝土规范》规定了满足变形能力要求的梁柱轴力限值,目的是研究钢-混凝土组合柱在恒压荷载和反复弯曲作用下的强度和性能。以柱上轴压比为主要试验参数,进行了36根方钢管混凝土和40根圆钢管混凝土的试验。试件的钢材部分是冷弯的方形和圆形截面。除轴压比外,还选取了宽厚比和径厚比作为试验参数,进行了22根型钢混凝土柱试验。除了轴压比外,还选取了配筋率作为试验参数,并根据试验结果对其弹塑性、最大强度、耗能能力和变形能力进行了讨论。给出了轴压比与柱的临界转角之间的关系。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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MATSUI Chiaki其他文献
MATSUI Chiaki的其他文献
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{{ truncateString('MATSUI Chiaki', 18)}}的其他基金
Generalization of research for CFT structures and estimation of performance of CFT frames
CFT结构研究综述及CFT框架性能评估
- 批准号:
11305040 - 财政年份:1999
- 资助金额:
$ 3.33万 - 项目类别:
Grant-in-Aid for Scientific Research (A).
骨組構造用の鋼および鋼・コンクリート合成耐震要素の開発
框架结构钢及钢-混凝土组合抗震构件的研制
- 批准号:
09555176 - 财政年份:1997
- 资助金额:
$ 3.33万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Stress Transferring System and Structural Performance of Connections between Steel and Concrete Composite Members
钢与混凝土组合构件连接的应力传递系统与结构性能
- 批准号:
08305023 - 财政年份:1996
- 资助金额:
$ 3.33万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Buckling Behavior and Earthquake resistant capacity of Concrete-Filled Tubular Columns under Cyclic Axial Loading
轴向循环荷载下管混凝土柱屈曲行为及抗震能力
- 批准号:
05452254 - 财政年份:1993
- 资助金额:
$ 3.33万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
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New load-deformation model of R/C columns with side walls considering stable behavior after maximum strength
考虑最大强度后稳定行为的带侧壁 R/C 柱的新荷载变形模型
- 批准号:
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- 批准号:
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Standard Grant
Influence of Imperfections on the Maximum Strength of Restrained, Bi-Axially Loaded Beam-Columns
缺陷对约束双轴加载梁柱最大强度的影响
- 批准号:
8019296 - 财政年份:1980
- 资助金额:
$ 3.33万 - 项目类别:
Standard Grant