Interlocking Hollow Blocks Masonry System; Structural Modification, Characterization, and Performance: Review
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Abstract
The interlocking hollow block masonry system is widely used in buildings; its full structural potential has not yet been realized. This is mainly due to the lack of information regarding the exact behavior of interlocking hollow block system under different loading conditions (vertical and lateral loads). From the constructional engineering perspective, interlocking hollow concrete block is classified as conventional mortared and non-conventional morterless hollow block system. This research included a review of literature relating to the structural behavior of masonry block walls. Various types of masonry shear walls, namely un-reinforced and un-grouted, partially grouted un-reinforced partially reinforced, fully reinforced and wide spaced reinforced are discussed. Critical design parameters including reinforcement, vertical compression, aspect ratio (shape of the walls) and material properties that affect the behavior of the shear walls are reviewed. Mechanical properties of masonry such as compressive strength, tensile strength and shear strength, and tensile crack opening energy are also discussed.
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