Community Technology for Development of Interlocking Block Product from Basalt Fragments

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ประชุม คำพุฒ
สัจจะชาญ พรัดมะลิ


This research aims to study the using basalt rock fragments to develop as interlocking block product. The mixture ratios of Portland cement type1: basalt rock fragments are 1 : 6, 1 : 6.5, 1 : 7, 1 : 7.5 and 1 : 8  by weight and water per cement ratio was 0.6 by weight. The interlocking block samples are cast in 10 x 20 x 10 centimeter of dimension with manual compression molding machine. The interlocking block samples were tested in accordance with TCPS 602-2547 standard which subjected for the interlocking block. The results show that the weight, compressive strength, and thermal conductivity of interlocking blocks with high quantity of basalt rock fragments are lower than interlocking blocks with low quantity of basalt rock fragments while that the water absorption of interlocking blocks with high quantity of basalt rock fragments are higher. From this research the medium and small enterprises could choose the proper ration for the interlocking block production mixing basalt rock fragments as per requirement.


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[1] Tonnayopas, D. 2010. Minerals and rocks. 2nd Edition. Faculty of Engineering Prince of Songkla University. (in Thai)

[2] Thai Industrial Standards Institute. 2004. Community product standards on interlocking bricks (TCPS.602-2547). Ministry of industry. (in Thai)

[3] American Society for Testing and Materials (ASTM). 2010. Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties (ASTM C177 – 10). Annual Book of ASTM Standards. Philadelphia.

[4] Chindaprasirt, P and Jaturapitakkul, C. 2012. Cement Pozzolanic and concrete. 7th edition. Thailand Concrete Association. Bangkok. (in Thai)