THE EFFECT OF STEEL MESH RATIO AND AXIAL LOAD ON THE BEHAVIOR OF STRENGTHENED BRICK WALLS WITH RC OVERLAY
Publish place: 3rd International Conference on Concrete and Development
Publish Year: 1388
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCD03_037
تاریخ نمایه سازی: 20 مهر 1387
Abstract:
Concrete is one of the most important materials used in many types of construction. This material is widely used in seismic rehabilitation of buildings, particularly in strengthening of masonry buildings. The latter covers a wide range of historical to conventional brick buildings which are the most vulnerable in the earthquake prone areas. One of the most available, economical and simple conventional techniques
used in strengthening of brick buildings is 3 to 5 mm thick concrete overlay (shotcrete) with steel mesh on the brick wall surfaces. This method of strengthening improves the seismic behavior and lateral and in-plane strength of brick walls which depends on the thickness, strength of concrete and the amount of reinforcement. In this paper, the effect of shotcrete on strength and stiffness of brick walls has been investigated utilizing micro-modeling through ABAQUS software based on discrete elements method. Results of numerical and an
experimental analysis of the in-plane shear behavior of strengthened brick walls are compared and discussed. The main variables considered in this investigation are the compressive axial load applied on the wall as well as the reinforcement ratio.
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Authors
S.M Tavahhodi
Msc student, Dept of civil Engg.Tarbiat Modares University, Tehran
A.A Tasnimi
Professor, School of Engg. Tarbiat Modares University, Tehran,
A Yaghoubifar
Phd student, Dept of civil Engg.Tarbiat Modares University, Tehran
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