Creep Modelling for Masonry under Plane Strainby Subhash C. Anand, Clemson Univ, Clemson, SC, USA,
Md. Ayubur Rahman, Clemson Univ, Clemson, SC, USA,
Document Type: Proceeding Paper
Abstract: A computational procedure based on the principle of superposition to estimate creep strains in composite masonry walls is developed and presented in this paper. This development is based on the assumption that creep vs. time relationship in masonry can be uniquely defined by a specific creep (i. e. , creep per unit stress) vs. time curve. Experimentally obtained specific creep vs. time curves for various components of composite masonry walls subjected to uniaxial compressive loads are utilized to establish relationships between the components of creep strain increments and existing stresses. These relationships are used in conjunction with the principle of superposition to compute creep strains in composite masonry walls. In addition, the effect of creep strains on stress changes is also investigated.
Subject Headings: Creep | Composite structures | Masonry | Plane strain | Stress strain relations | Curvature | Load factors
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