[1]张永亮,汪振新,刘尊稳,等.砖石古塔抗震性能评估方法及抗震加固措施研究[J].世界地震工程,2019,35(02):041-47.
 ZHANG Yongliang,WANG Zhenxin,LIU Zunwen,et al.Research on seismic performance assessment method and seismic strengthening measures for masonry Pagodas[J].,2019,35(02):041-47.
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砖石古塔抗震性能评估方法及抗震加固措施研究
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《世界地震工程》[ISSN:/CN:]

卷:
35
期数:
2019年02期
页码:
041-47
栏目:
出版日期:
2019-06-25

文章信息/Info

Title:
Research on seismic performance assessment method and seismic strengthening measures for masonry Pagodas
作者:
张永亮1 汪振新1 刘尊稳1 赵成江2
1. 兰州交通大学 土木工程学院, 甘肃 兰州 730070;
2. 中铁西北科学研究院有限公司, 甘肃 兰州 730000
Author(s):
ZHANG Yongliang1 WANG Zhenxin1 LIU Zunwen1 ZHAO Chengjiang2
1. School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China;
2. Northwest Research Institute Co., Ltd of CREC, Lanzhou 730000, China
关键词:
砖石古塔抗震性能地震反应评估方法加固措施
Keywords:
masonry pagodaseismic performanceseismic responseassessment methodstrengthening measures
分类号:
U442.5
摘要:
为了提高砖石古塔的抗震性能,针对其地震反应特点,研究了砖石古塔的抗震薄弱部位、抗震性能评估方法、评价指标以及抗震加固措施。主要研究结论为:(1)提出了采用极限承载能力与层间位移角2个指标综合评估砖石古塔的抗震性能,并通过工程实例验证了该方法的有效性。(2)提出了对穿锚杆锁定内外钢带围箍和竖向贯穿钢筋为主,聚丙烯酸脂乳液砂浆裂缝注浆为辅的砖石古塔综合抗震加固措施。(3)砖石古塔塔底截面为承载能力抗震薄弱部位,抗拉能力不足是导致塔体破坏的主要原因。(4)地震作用下,砖石古塔随着塔体层数的增加,层间位移角增大,顶层塔体为变形能力薄弱部位。该研究结果可为砖石古塔的抗震性能评估与抗震加固提供参考。
Abstract:
In order to enhance the seismic performance of masonry pagoda, seismic weak position, seismic performance evaluation method, evaluation index and seismic strengthening measures of masonry pagoda are studied according to its seismic response characteristics. The conclusions include:(1) This paper presents a comprehensive evaluation of seismic performance of masonry pagoda based on two indexes which is the ultimate bearing capacity and inter-story displacement ratio, and the effectiveness of the method is verified by using an engineering example; (2) This paper presents the comprehensive seismic strengthening measures for masonry pagodas, which is mainly composed of the inner and outer steel band hoops and the vertical penetrating steel bars, and the grouting of the acrylic acid emulsion mortar; (3) The bottom cross-section of masonry pagoda is the weak part of the bearing capacity, and the insufficient tensile capacity is the main reason for failure of the pagoda; (4) Under the action of earthquake, the inter-story displacement ratio increases with the increase of the pagoda story number, and the top of the pagoda is the weak part of the deformation. The results can provide a reference for the seismic performance evaluation method and strengthening measures for masonry pagodas.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-6-20;改回日期:2018-11-29。
基金项目:国家自然科学基金资助项目(51368034)
作者简介:张永亮(1975-),男,教授,博士,从事结构抗震方面研究.E-mail:zhangyong_l@126.com
通讯作者:刘尊稳(1985-),男,讲师,博士研究生,从事结构抗震方面研究.E-mail:liuzunwen@mail.lzjtu.cn
更新日期/Last Update: 1900-01-01