Investigation of New Bricks  (Sand Lime Bricks With Polystyrene and Gypsum Addition)

Mabrooka A. Elmasri; Mahmoud A.  Mahmoud; Mussa Mahmud; Nagi E-lsahabi Issa

doi:10.59743/jmset.v3i2.91

Authors

Mabrooka A. Elmasri Civil and Metallurgical and Materials Engineering Department, Faculty of Engineering, Ajdabiya University, Ajdabiya city, Libya
Mahmoud A. Mahmoud Civil and Metallurgical and Materials Engineering Department, Faculty of Engineering, Ajdabiya University, Ajdabiya city, Libya
Mussa Mahmud Civil and Metallurgical and Materials Engineering Department, Faculty of Engineering, Ajdabiya University, Ajdabiya city, Libya
Nagi E-lsahabi Issa Mechanical Engineering Department, Faculty of Engineering, Benghazi University, Benghazi city, Libya

DOI:

https://doi.org/10.59743/jmset.v3i2.91

Keywords:

Bricks, Compressive Strength, Lime, Gypsum, Polystyrene

Abstract

The main drawback of lime materials is absorbing water easily, therefore causing fluorescence when not exposed to air. In addition, very heavy weight and rough surface of bricks may cause mold growth. Research done in this area has always focused on durability and strength. The challenge of modern and new requirements, the need for sustainable low-cost buildings to host people, and the lack of knowledge in this area justify the need for more research to be focused on the strength, light weight bricks, and absorption capacity of the sand-lime bricks. The use of polystyrene has many advantages in construction materials. This study presents the results of the experimental investigation that was carried out to find the optimum mix percentage of new bricks. Brick specimens of size 150 mm×150 mm×150 mm were cast for different mix percentages of polystyrene, gypsum, lime, and sand. The results showed the variation of compressive strength for different mix proportions of the mentioned materials. The compressive strength, absorption capacity, and thermal insulation of the newly produced bricks with optimized composition under various brick-forming presses were determined. The results of this study suggested that it was possible to produce good quality lightweight non-fired structural bricks compared with cement bricks.

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