Mehran University Research Journal Of Engineering &
Technology (HEC Recognized In Category "X")
Publishing Since 1982.



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Effect of Compaction on Compressive Strength of Unfired Clay Blocks

Keywords: Compacted Clay Blocks, Compressive Strength, Density, Compacting Pressure, Mechanized System.

Mehran University Research Journal of Engineering & Technology

Volume 35 ,  Issue 4

NAWAB   ALI LAKHO,MUHAMMAD AUCHAR ZARDARI  ,ASHFAQUE AHMED PATHAN  

Abstract

This study investigates the possible use of unfired compacted clay blocks as a substitute of CSEB (Compressed Stabilized Earth Blocks) for the construction of economical houses. Cubes of 150 mm size were cut from the clay blocks which were compacted at various intensities of pressure during the casting. The results show that the compressive strength of the clay cubes increased with the compacting pressure to which the blocks were subjected during casting. The average crushing strength of the cubes, sawed from clay blocks that were subjected to compacting pressure of 7.2 MPa, was found to be 4.4 MPa. This value of compressive strength is about 50% more than that of normal CSEB. This study shows that the compacted clay blocks could be used as economical walling material as replacement of CSEB.