Failure Modes of RC Structural Elements and Masonry Members Retrofitted with Fabric-Reinforced Cementitious Matrix (FRCM) System: A Review

被引:5
作者
Irandegani, Mohammad Ali [1 ]
Zhang, Daxu [1 ]
Shadabfar, Mahdi [2 ]
Kontoni, Denise-Penelope N. [3 ,4 ]
Iqbal, Mudassir [1 ]
机构
[1] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, Shanghai Key Lab Digital Maintenance Buildings &, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China
[2] Sharif Univ Technol, Dept Civil Engn, Ctr Infrastructure Sustainabil & Resilience Res, Azadi Ave, Tehran 1458889694, Iran
[3] Univ Peloponnese, Sch Engn, Dept Civil Engn, GR-26334 Patras, Greece
[4] Hellen Open Univ, Sch Sci & Technol, GR-26335 Patras, Greece
基金
中国国家自然科学基金; 上海市自然科学基金;
关键词
fabric-reinforced cementitious matrix (FRCM); failure modes (FMs); debonding; slippage; fiber rupture; OF-THE-ART; CONCRETE BEAMS; FRP COMPOSITES; MORTAR TRM; TORSIONAL BEHAVIOR; POLYMERS FRP; FIBER; SHEAR; COLUMNS; ARCHES;
D O I
10.3390/buildings12050653
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Much research has been conducted and published on the examination of the behavior of reinforced steel and concrete structures with a FRP system. Nevertheless, the performance of FRP differs from that of FRCM, particularly at high temperature and ultimate strength. The present study provides a review of previous research on structural elements (viz. beams, columns, arches, slabs, and walls) retrofitted with FRCM systems, taking account of various parameters, such as layers, composite types, configurations, and anchors for controlling or delaying failure modes (FMs). Additionally, this paper discussed the details of different FMs observed during experimental tests, such as crushed concrete or bricks, fiber debonding from substrate materials, slippage, fiber rupture, and telescopic failure for strengthened specimens. Moreover, this paper investigated where and how fractures may develop in structural elements retrofitted with the FRCM system under various retrofit scenarios. To this end, in addition to the review of the relevant literature, a large dataset has been compiled from different (RC) structural elements and masonry members. Next, a relationship is developed between failure modes (FMS) and influential parameters, i.e., the number of layers and the type of composite, based on this dataset. This can be used as a benchmark example in future studies, as there is no such basis available in the literature, to the best of the authors' knowledge.
引用
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页数:43
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