Vol 7, No 7 (2016) > Civil Engineering >

Effect of Brick Types on Compressive Strength of Masonry Prisms

Piyawat Foytong, Maetee Boonpichetvong, Natthapong Areemit, Jaruek Teerawong


Abstract: This study investigates
brick types and masonry prisms under compressive loading according to ASTM
C1314–14 as the basic parameters for evaluating lateral resistance of masonry
infill walls and to compare compressive strength amongst various brick types.
The lateral resistance capacity of a masonry infill wall model depends on the
compressive strength of the masonry prism, and the lateral deformation of a
masonry infill wall model depends on the strain at the maximum stress of the
masonry prism. A masonry prism is an assemblage made of representative units
(clay brick, hollow brick, lightweight block, etc), mortar and grout. In this
research, eight types of brick are considered which are hollow brick,
lightweight block and six types of clay brick. From the test results, the
ductile behavior of a masonry prism under compressive loading means that it
undergoes further deformation. The masonry prisms made of solid clay brick show
the best performance with the largest average compressive stress of 10.8 MPa
and largest cumulative energy dissipation of 444 kN/mm, but their behavior is
non-ductile. The compressive stress of lightweight block is the weakest with
the average compressive stress of 2.62 MPa. The compressive strengths of
masonry prisms made of all clay brick types are higher than the compressive
stresses of those made of hollow brick and lightweight block.
Keywords: Compressive stress; Effect of brick type; Masonry prism

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