Abstract
One of the applications of sulfur in construction and industry is producing sulfur concrete. Sulfur concrete has charming features and many properties such as high strength, corrosion resistance, mechanical strength, impermeability, recyclability and rapid hardening that have caused much interest in using it. It can be used in dam building, construction of sewer pipes, irrigation canals, concrete piles, piers, beach walls and etc , so that a greater proportion of cement produced in the country would be used in construction because generally sulfur concrete cannot be used instead of cement concrete unless in areas with medium and low structural importance or when there is no possibility of using concrete cement. Results obtained in this study indicate that sulfur concrete with the additional stuff, cover cement concrete with sulfur-modification, sulfur concrete containing fiber, sulfur concrete with electrolytic residual and sulfur concrete with fly ash, depending on the combination of resistance in most cases, have equal to or higher resistance than conventional sulfur and cement concrete; it is also clarified that sulfur concrete with fly ash has higher pressure resistance than the other compositions.
Highlights
The availability of sulfur in the last few decades has increased significantly in many countries.Large amounts of sulfur is obtained through refining crude oil and natural gas, sulfur mines, refining sour gas, refining copper from mines, coal refining and even removal of hydrogen sulfide from crude oil and natural gas (Gracia el al., 2004),(Behfarnia el al., 2010),(Kalb el al., 2004) and since a ton of cement generates about one ton of carbon dioxide, producing sulfur concrete reduces global warming and is an effective solution to environmental problems associated with the use of effective Of sulfur (Robert el al., 1974)
In 1960, the concentration was on viscosity of this material and in 1970 durability of it, was focused on and successful projects were carried out by this concrete in North America and it was used in the construction of the highway and industrial buildings of the America (Gracia el al., 2004).Still a great deal of research and innovation are being conducted in many countries including America, Canada, Poland and Russia and building materials such as sulfur concrete and sulfur asphalt have been noted more because these materials are environmentally friendly and cost effective.(Ciak el al., 2013)
There are two ways to use sulfur cement in the preparation of concrete: a) first the sulfur cement should be warmed after reaching molten status it is poured into the mixture of heated sand. b) Sulfur cement will be changed in to the form of the powder and after heating the sand they will be mixed in the mixer so that after getting the needed temperature from the mixture the powder will be turned into the molten and will form sulfur concrete
Summary
The availability of sulfur in the last few decades has increased significantly in many countries.Large amounts of sulfur is obtained through refining crude oil and natural gas, sulfur mines, refining sour gas, refining copper from mines, coal refining and even removal of hydrogen sulfide from crude oil and natural gas (Gracia el al., 2004),(Behfarnia el al., 2010),(Kalb el al., 2004) and since a ton of cement generates about one ton of carbon dioxide, producing sulfur concrete reduces global warming and is an effective solution to environmental problems associated with the use of effective Of sulfur (Robert el al., 1974). World Environ., Vol 10(Special Issue 1), 201-207 (2015) This period the cost of sulfur was very high, but 60 years after the above date, almost no research was carried out on sulfur; during World War I there was lots of demand for sulfur and new ways were suggested to use it. In 1960, the concentration was on viscosity of this material and in 1970 durability of it, was focused on and successful projects were carried out by this concrete in North America and it was used in the construction of the highway and industrial buildings of the America (Gracia el al., 2004).Still a great deal of research and innovation are being conducted in many countries including America, Canada, Poland and Russia and building materials such as sulfur concrete and sulfur asphalt have been noted more because these materials are environmentally friendly and cost effective.(Ciak el al., 2013). We will study the tests carried out on this matter and the results of these experiments will be discussed
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