Investigation of in-plane seismic retrofit of unreinforced masonry walls by means of vertical steel ties

被引：46

作者：

Darbhanzi, A. ^{[1
,2
]}

Marefat, M. S. ^{[1
]}

Khanmohammadi, M. ^{[1
]}

机构：

[1] Univ Tehran, Coll Eng, Sch Civil Eng, Tehran, Iran

[2] Vali E Asr Univ Rafsanjan, Coll Eng, Rafsanjan, Iran

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2014年 / 52卷

关键词：

Unreinforced masonry walls; Vertical steel ties; Seismic retrofit; Cyclic lateral load; BEHAVIOR; STRIPS;

D O I：

10.1016/j.conbuildmat.2013.11.020

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this paper, a technique for seismic retrofit of unreinforced masonry walls is studied which comprises addition of two vertical steel ties on both edges of the walls. In total, four specimens have been tested under cyclic lateral load in combination with vertical constant load: two specimens with ties and two without ties. The tests show that vertical ties cause significant increase in seismic capacity in terms of both strength and ductility not only at yield but also at maximum. The ties also cause the failure modes to transform from either shear slip or diagonal tension into a combination of diagonal tension and toe-crushing. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：122 / 129

页数：8

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