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Bond behaviour of steel-TRM composites for strengthening masonry elements: Experimental testing and numerical modelling
Wang,Xuan1; Lam,Chi Chiu2; Iu,Vai Pan2
2020-08-30
Source PublicationConstruction and Building Materials
ISSN0950-0618
Volume253Pages:119157
Abstract

Textile reinforced mortar (TRM) composites are an innovative solution for strengthening masonry structural elements due to their effectiveness and sustainability, as well as their compatibility with masonry substrates. As TRM composites are externally bonded to the surface of structural elements, the bond behaviour at the textile-mortar matrix and mortar matrix-substrate interfaces is a critical issue that needs to be investigated. In this study, an extensive study is carried out which includes a series of experimental tests combined with advanced numerical modelling with the aim to provide a better understanding of the bond behaviour of steel-TRM composites for strengthening a specific type of masonry which made by grey clay bricks. The experiments mainly consist of 28 single-lap shear bond tests on steel-TRM strengthened masonry elements. The effect of the masonry substrate condition, configuration of the textile, mechanical properties of the mortar matrix, and length of the bond are presented. The test results are discussed in terms of the full range of load-slip responses and failure modes. Then, an advanced numerical model based on simple interfacial local bond-slip constitutive laws is validated by agreement with the experimental findings. Finally, the numerical results are also used to evaluate the effective bond length and further understand the bond behaviour.

KeywordBond Behaviour Masonry Numerical Modelling Textile Reinforced Mortar Composites
DOI10.1016/j.conbuildmat.2020.119157
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaConstruction & Building Technology ; Engineering ; Materials Science
WOS SubjectConstruction & Building Technology ; Engineering, Civil ; Materials Science, Multidisciplinary
WOS IDWOS:000539379300033
PublisherELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
Scopus ID2-s2.0-85083342908
Fulltext Access
FWCI1.8245591
Citation statistics
Document TypeJournal article
CollectionDEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Faculty of Science and Technology
Corresponding AuthorWang,Xuan
Affiliation1.School of Civil and Environmental Engineering,Ningbo University,Ningbo,China
2.Department of Civil and Environmental Engineering,Faculty of Science and Technology,University of Macau,Macao
Recommended Citation
GB/T 7714
Wang,Xuan,Lam,Chi Chiu,Iu,Vai Pan. Bond behaviour of steel-TRM composites for strengthening masonry elements: Experimental testing and numerical modelling[J]. Construction and Building Materials,2020,253:119157.
APA Wang,Xuan,Lam,Chi Chiu,&Iu,Vai Pan.(2020).Bond behaviour of steel-TRM composites for strengthening masonry elements: Experimental testing and numerical modelling.Construction and Building Materials,253,119157.
MLA Wang,Xuan,et al."Bond behaviour of steel-TRM composites for strengthening masonry elements: Experimental testing and numerical modelling".Construction and Building Materials 253(2020):119157.
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