A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Sulphur sand mixes as building material
Abstract Following an extensive research programme lasting more than 4 years, it has been possible to prepare sulphur sand mixtures which are suitable as building material. As compared to normal concrete, sulphur sand mixes exhibit greater compressive and flexural strengths, have equivalent modulus of elasticity, have a lower and much more rapid shrinkage, creep is less under compression and these mixes also retain strength when temperature varies from −30 to 70°C. Durability as measured by 45 temperature cycles (0°C, 70°C) is good. One of the most difficult problem for overcoming the damaging effect of water on sulphur mixes was also studied. Addition of silicon oil 0.5% by weight of sand with or without fillers gave satisfactory and economical solution to this problem. We also found that up to 10% sulphate content in sand the mechanical behaviour of sulphur mixes was not adversely affected. This would permit many quarries of sand with high sulphates to be utilized for such mixes. Glass fibre reinforcement was also tried which gave large increase in tensile strength and improved durability under 100% relative humidity.
Sulphur sand mixes as building material
Abstract Following an extensive research programme lasting more than 4 years, it has been possible to prepare sulphur sand mixtures which are suitable as building material. As compared to normal concrete, sulphur sand mixes exhibit greater compressive and flexural strengths, have equivalent modulus of elasticity, have a lower and much more rapid shrinkage, creep is less under compression and these mixes also retain strength when temperature varies from −30 to 70°C. Durability as measured by 45 temperature cycles (0°C, 70°C) is good. One of the most difficult problem for overcoming the damaging effect of water on sulphur mixes was also studied. Addition of silicon oil 0.5% by weight of sand with or without fillers gave satisfactory and economical solution to this problem. We also found that up to 10% sulphate content in sand the mechanical behaviour of sulphur mixes was not adversely affected. This would permit many quarries of sand with high sulphates to be utilized for such mixes. Glass fibre reinforcement was also tried which gave large increase in tensile strength and improved durability under 100% relative humidity.
Sulphur sand mixes as building material
Samarai, M. A. (author) / Laquerbe, M. (author) / Al-Hadithi, A. (author)
1985
Article (Journal)
English
Sulphur sand mixes as building material
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