Research on reinforcing method for masonry buildings in developing countries with high seismic activity

地震高发发展中国家砌体建筑加固方法研究

• 批准号: 15560496
• 负责人: KUROKI Masayuki
• 金额: $ 2.05万
• 依托单位: Oita University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2003
• 资助国家: 日本
• 起止时间: 2003 至 2005
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-15560496/
• 关键词: Developing countries; Earthquake disaster; Masonry; Seismic retrofit

In order to improve seismic safety of the masonry buildings in the developing countries, an experimental research for improving seismic performance of the confined masonry wall system, which is widely accepted in masonry buildings in Latin American countries, was carried out. Results of the research are summarized as follows.1.Seismic performance of confined masonry wall failed in flexure1)Connection bar, which is installed between brick masonry wall and R/C confining column, and horizontal wall reinforcing bar are not effective for the flexural strength of the wall. However, both of them are effective for the ductility especially in the wall subjected to lower vertical axial load.2)Ultimate flexural strength of the wall can be predicted by an existing method for the reinforced masonry walls.2.Seismic performance of confined masonry wall with transverse walls subjected to horizontal forces in two directions1)Connection bar and horizontal wall reinforcing bar restrain growth of the vertical cracks formed at wall connections.2)R/C confining column gives positive effect on shear strength of the wall.3)Connection bar and horizontal wall reinforcing bar are effective for the ductility of the wall.4)In-plane horizontal load carrying capacity of the wall is decreased by transverse horizontal loading.5)Ductility of the wall is not decreased by transverse horizontal loading.3.Effect of horizontal wall reinforcing bar on shear strength and deformation capacity of the wall1)Horizontal wall reinforcing bar gives positive effect on shear strength of the wall.2)Deformation capacity of the wall is improved if the horizontal reinforcing bars are installed in the masonry wall.3)However, clear differences due to the amount of horizontal reinforcing bars were not observed in shear strength and deformation capacity of the wall.

为提高发展中国家砖房的抗震安全性，对拉美国家普遍采用的约束砖墙体系的抗震性能进行了试验研究。研究结果如下：1.约束墙体受弯破坏的抗震性能1)设置在砖混结构墙体与钢筋混凝土约束柱之间的连接筋和水平墙体配筋对墙体抗弯强度影响不大。然而，这两种方法对墙体的延性都是有效的，特别是在竖向荷载较小的墙体中。2)配筋砌块墙体的极限抗弯强度可以用现有的方法来预测。2)双向水平荷载作用下，约束墙体的抗震性能1)连接筋和水平墙体钢筋抑制了墙体连接处形成的竖向裂缝的扩展。2)钢筋混凝土约束柱对墙体的抗剪强度有积极的作用。3)连接筋和水平墙体钢筋对墙体的延性是有效的。4)面内水平荷载作用水平钢筋对墙体抗剪强度和变形能力的影响1)水平墙体钢筋对墙体抗剪强度有积极作用；2)墙体设置水平钢筋后，墙体变形能力得到提高。由于水平钢筋的数量不同，墙体的抗剪强度和变形能力没有明显的差异。

项目成果

組積造壁体の耐震性向上に関する実験的研究(その10)3次元試験体の2方向載荷実験の結果と考察

提高砌体墙抗震性能的试验研究（第十部分）三维试件双向加载试验结果与讨论

• 发表时间: 2005
• 期刊: 日本建築学会大会学術講演梗概集 C-2
• 作者: F.Kankura;K.Kikuchi;M.Kuroki;H.Nonaka;K.T.Kim;M.Toyodome;寒倉文子;押方文沙;寒倉文子;押方文沙
• 通讯作者: 押方文沙

組積造壁体の耐震性向上に関する実験的研究(その7)水平荷重の加力点高さが高い条件における2次元試験体に水平加力実験

提高砌体墙抗震性能的试验研究（第7部分）水平荷载作用点高度较高条件下二维试件水平荷载试验

• 发表时间: 2004
• 期刊: 日本建築学会大会学術講演梗概集 C-2分冊
• 作者: A.Oshikata;K.Yoshimura;K.Kikuchi;M.Kuroki;H.Nonaka;K.T.Kim;F.Kankura;寒倉文子
• 通讯作者: 寒倉文子

吉村浩二, 金 京泰: "枠組煉瓦組積造壁体の耐震性能向上に関する実験的研究"日本建築学会構造系論文集. 第571号. 169-176 (2003)

Koji Yoshimura、Kyong-tae Kim：“提高框架砖砌体墙抗震性能的实验研究”日本建筑学会结构工程学报第 571. 169-176 号（2003 年）。

組積造壁体の耐震性向上に関する実験的研究(その11)水平補強筋量をパラメータとした2次元試験体の実験結果

提高砌体墙抗震性能的试验研究（第11部分）以水平配筋量为参数的二维试件试验结果

• 发表时间: 2006
• 期刊: 日本建築学会大会学術講演梗概集 C-2(印刷中)
• 作者: 浦 憲親;後藤正美;永野紳一郎;松村崇司;寒倉文子;寒倉文子
• 通讯作者: 寒倉文子

Experimental Study for Developing Seismic Confined Brick Masonry Walls, Part 10. Test results of two-dimensional wall specimens with different amount of horizontal wall reinforcements

开发抗震受限砖砌体墙的实验研究，第10部分。不同水平墙配筋量的二维墙体试件的测试结果

• 发表时间: 2006
• 期刊: AIJ Kyushu Chapter Architectural Research Meeting (Structure)(in Japanese) Vol.45, No.1
• 作者: F.Kankura;K.Kikuchi;M.Kuroki;H.Nonaka;K.T.Kim;M.Toyodome
• 通讯作者: M.Toyodome