Cohesive-frictional interface fracture behavior in soft-brick masonry: experimental investigation and theoretical development

Ravula, Mehar Babu and K V L, Subramaniam (2019) Cohesive-frictional interface fracture behavior in soft-brick masonry: experimental investigation and theoretical development. Materials and Structures, 52 (2). ISSN 1359-5997

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Abstract

An experimental investigation into the shear transfer across the brick mortar interface at different levels of applied pre-compression is reported. Direct shear tests are performed in the triplet test configuration on masonry made with a soft brick. The failure across the brick–mortar interface is progressive and is produced by a crack in the brick–mortar interface. The interface crack propagates in a thin layer where the mortar penetrates the brick. A cohesive-frictional interface relationship which combines progressive cohesive failure with increasing frictional resistance is developed. The maximum shear resistance obtained from the cohesive-frictional relationship follows a Mohr–Coulomb type relationship. The residual frictional resistance increases linearly with an increase in the applied compression.

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IITH Creators:
IITH CreatorsORCiD
K V L, Subramaniamhttp://orcid.org/0000-0002-5995-0911
Item Type: Article
Uncontrolled Keywords: Masonry, Dilation, Shear, Failure, Interface, Cohesive, Fracture
Subjects: Civil Engineering
Divisions: Department of Civil Engineering
Depositing User: Team Library
Date Deposited: 20 Mar 2019 05:46
Last Modified: 20 Mar 2019 05:46
URI: http://raiith.iith.ac.in/id/eprint/4899
Publisher URL: http://doi.org/10.1617/s11527-019-1333-1
OA policy: http://www.sherpa.ac.uk/romeo/issn/1359-5997/
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