Influence of vertically continuous partial wall on strength and deformation capacity of reinforced concrete frame structures
竖向连续局部墙对钢筋混凝土框架结构强度及变形能力的影响
基本信息
- 批准号:17560498
- 负责人:
- 金额:$ 2.37万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2005
- 资助国家:日本
- 起止时间:2005 至 2007
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Walls connected to the upper and the lower beams, however, apart from both side columns, briefly called "Partial walls" in this study, are generally treated as nonstructural elements because of the lack of the requirement for bearing walls. However actually their stiffness, strength, and post-peak behavior must have great influence on seismic behavior of the structures. Particularly as for shear failure type partial wall, the influence must be greater, therefore in this study, the following empirical and numerical investigations were conducted.1. static loading test and shaking table test for 2story lspan RC frame specimens with shear failure type partial walls in which column over design factors and breath of the walls are varied.2. Push-over analyses for 6story RC frames with shear failure type partial walls in which column over design factors and breath of the walls are varied.Obtained knowledge can be summarized as follows.1. Shear failure of a wall makes story drift at the story where the failed wall exists progress more than other story. In the case column over design factor is poor, shear failure of a wall causes story collapse in multi-story buildings.2. Overall behaviors of the specimens for static loading test and for shaking table test are almost coincident.3. There is a case that the collapse mechanism changes to partial one due to the presence of the walls, even when the frame has the column over design factor of 3.0 that is considered sufficiently high in general.4. Even when column over design factor is high enough to avoid partial collapse mechanism, story drift tends to concentrate to the stories where he walls failed and its distribution in height direction becomes considerably different from the one for the frame without the walls.
连接到上下梁的墙,但是,除了两侧柱,在本研究中简称为“部分墙”,通常被视为非结构元件,因为没有承重墙的要求。但实际上它们的刚度、强度和峰后性能对结构的抗震性能有很大的影响。特别是对于剪切破坏型的局部剪力墙,其影响必然更大,因此本研究进行了以下的经验和数值研究. 2.对2层1跨钢筋混凝土框架试件进行了静载试验和振动台试验,试验中考虑了柱的超设计系数和墙的宽度对框架剪力墙破坏的影响.对6层钢筋混凝土框架进行了不同柱高设计系数和墙体高度的剪切破坏型局部剪力墙Push-over分析,得到的主要结论如下:1.墙的剪切破坏使墙所在层的位移比其它层的位移大。在柱超设计系数较小的情况下,多层建筑中墙体的剪切破坏会引起楼层倒塌.静载试验和振动台试验所得试件的整体性能基本一致.有一种情况下,倒塌机制改变为部分一,由于存在的墙壁,即使当框架的柱超过设计系数3.0,这被认为是足够高的一般。4.即使柱超设计系数足够大,可以避免部分倒塌机制,层间位移往往集中在楼层,他的墙壁失败,其分布在高度方向上变得非常不同的一个没有墙壁的框架。
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)
せん断破壊型方立て壁がRC架構に及ぼす影響に関する実験的研究 その1:静的加力試験
剪力破坏型竖框墙对钢筋混凝土框架影响试验研究第1部分:静载试验
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:萩谷透;堀田久人;中島武志;三好雅人;上村孝大郎
- 通讯作者:上村孝大郎
An Experimental Study on Influence of Shear Failure Type Partial Wall on RC Frame (NO.2 : Shaking Table Test Outline of Test)
剪力破坏型部分墙对钢筋混凝土框架影响的试验研究(二:振动台试验试验大纲)
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:UEMURA;Kotaro;HOTTA;Hisato;NAKAJIMA;Takeshi;MIYOSHI;Masato;HAGIYA;Toru
- 通讯作者:Toru
AN ANALYTICAL STUDY ON INFLUENCE OF MULTI-STORY MULLION-TYPE WALLS OF PREDOMINANT BENDING FAILURE IN REINFORCED CONCRETE STRUCTURE
多层竖框式墙体主要弯曲破坏对钢筋混凝土结构影响的分析研究
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:Hisato;HOTTA;Takeshi;KIMURA
- 通讯作者:KIMURA
A SHAKING TABLE TEST OF 2 STORY R/C FRAMES WITH PARTIAL WALLS INDEPENDENT FROM COLUMNS
2层部分墙独立柱遥控框架振动台试验
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:HARADA;Taku;HOTTA;Hisato;UEMURA;Kotaro;YOSHIZAKI;Atsuko;H. Hotta and T. Nakajima
- 通讯作者:H. Hotta and T. Nakajima
せん断破壊型方立て壁がRC架構に及ぼす影響に関する実験的研究 その3:振動台試験 試験結果及び考察
剪力破坏型竖框墙对RC框架影响的试验研究第3部分:振动台试验 试验结果与讨论
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:三好雅人;堀田久人;中島武志;上村孝大郎;萩谷透
- 通讯作者:萩谷透
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