Preprint Article Version 1 This version is not peer-reviewed

Research of Influences of Bed Loints Reinforcements on Strength and Deformability of Masonry Shear Walls

Version 1 : Received: 12 July 2019 / Approved: 15 July 2019 / Online: 15 July 2019 (05:37:44 CEST)

A peer-reviewed article of this Preprint also exists.

Jasiński, R. Research on the Influence of Bed Joint Reinforcement on Strength and Deformability of Masonry Shear Walls. Materials 2019, 12, 2543. Jasiński, R. Research on the Influence of Bed Joint Reinforcement on Strength and Deformability of Masonry Shear Walls. Materials 2019, 12, 2543.

Journal reference: Materials 2019, 12, 2543
DOI: 10.3390/ma12162543

Abstract

The area of Central and Eastern Europe, and thus Poland, is not exposed to effects of seismic actions. Any possible tremors can be caused by coal or copper mining. Wind, rheological effects, the impact of other objects or a non-uniform substrate are the predominant types of loading included in calculations for stiffening walls. The majority of buildings in Poland, as in most other European countries, are low, medium-high brick buildings. Some traditional materials, like solid brick (>10% of construction materials market) are still used. But autoclaved aerated concrete (AAC) and cement-sand calcium-silicate (Ca-Si) elements with thin joints are prevailing (>70% of the market) on the Polish market. Adding reinforcement only to bed joints in a wall is a satisfactory solution (in addition to confining) for seismic actions occurring in Poland that improves ULS and SLS. This paper presents results from our own tests on testing horizontal shear walls without reinforcement and with different types of reinforcement. This discussion includes 51 walls made of solid brick (CB) reinforced with steel bars and steel trusses, results from tests on 15 walls made of calcium-silicate (Ca-Si) and AAC masonry units reinforced with steel trusses and plastic meshes. Taking into account our own tests and those conducted by other authors, empirical relationships were determined on the basis of more than 90 walls. They are applicable to design and construction phase to determine the likely effect of reinforcement on cracking stress that damage shear deformation and wall stiffness.

Subject Areas

masonry structures; shear walls; clay brick (CB); calcium-silicate (Ca-Si) masonry units; autoclaved aerated concrete masonry units (AAC); bed joints reinforcement; shear strength; strain angle; wall stiffness

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