Linear Shrinkage Behaviour of Compacted Loam Masonry Blocks
Journal Title: Mehran University Research Journal of Engineering and Technology - Year 2017, Vol 36, Issue 2
Abstract
Walls of wet loam, used in earthen houses, generally experience more shrinkage which results in cracks and less compressive strength. This paper presents a technique of producing loam masonry blocks that are compacted in drained state during casting process in order to minimize shrinkage. For this purpose, loam masonry blocks were cast and compacted at a pressure of 6 MPa and then dried in shade by covering them in plastic sheet. The results show that linear shrinkage of 2% occurred which is smaller when compared to un-compacted wet loam walls. This implies that the loam masonry blocks compacted in drained state is expected to perform better than un-compacted wet loam walls.
Authors and Affiliations
Nawab Ali Lakho, Muhammad Aucher Zardari, Ashfaque Ahmed Pathan
Keywords
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