Performance of modified sulfur concrete exposed to actual sewerage environment with variable temperature, humidity and gases

Gamal, Maisa M. El; El-Dieb, Amr S.; Mohamed, Abdel‐Mohsen O.; Sawy, Khaled Mahmoud El

doi:10.1016/j.jobe.2017.03.009

Cited by 37 publications

(15 citation statements)

References 10 publications

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“…MSC develops about 70% of the ultimate compressive strength at only few hours after casting, and usually 75 to 85% after 24 h [27]. In this study, tests were performed on duplicate identical specimens cured at ages 3, 7, 14, and 28 days.…”

Section: Compressive Strengthmentioning

confidence: 99%

Experimental Evaluation of Modified Sulfur Concrete for Achieving Sustainability in Industry Applications

2018

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Portland cement concrete (PCC) has been the most widely used concrete in the construction industry. However, PCC has a short service life under some aggressive environments, leading to the need of costly repairs. The purpose of this research was to implement local materials to produce a modified sulfur concrete (MSC) with better performance in industrial applications. Several modified sulfur concrete mixtures were prepared using natural aggregates from the northern region of Colombia, and sulfur cement by combination of sulfur with a modifier, with the objective of achieving the best performance based on mechanical strength and chemical resistance. To achieve this purpose, an experimental program based on a k-factorial design was used to determine the optimal mix design based on the results of the compressive strength. The mixture presenting the best results was then examined further with standardized tests to determine its physical, mechanical, and chemical properties (compressive strength, abrasion resistance, bulk density, absorption, and chemical resistance). Final results showed that the sulfur concrete mixture is very resistant to chemical attack and an outstanding substitute for PCC. The results indicated that there is no significant loss in weight and no relevant variation in compressive strength after the specimens were immersed in sulfuric acid and sulfate solutions. In addition, similar results were obtained for the slabs located in chemicals plants whose conditions were assessed during a 60-day period of exposure.

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Section: Compressive Strengthmentioning

confidence: 99%

Experimental Evaluation of Modified Sulfur Concrete for Achieving Sustainability in Industry Applications

2018

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“…However, this version does not find further continuation. The scientific schools of Korolev [ 54 ], Mohamed [ 5 , 9 , 36 ] and McBee [ 105 ] unanimously argue that the use of sulfur without modification at the present stage of development of building materials science seems unlikely. The most common modifiers used to avoid the conversion of sulfur from the monoclinic to the orthorhombic state are dicyclopentadiene or a combination of dicyclopentadiene, cyclopentadiene and diphentene, as well as olefin polysulfide additives [ 5 , 106 ].…”

Section: Sulfur In the Concrete Industrymentioning

confidence: 99%

“…In terms of the composition of the components, sulfur-based concrete consists of 70%–90% mineral fillers (aggregates) and 10–30% sulfur binder [ 3 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 ]. The optimal sulfur content in the material is determined on the basis of the calculated and experimental values of the porosity of compacted mixtures of fillers.…”

Section: Applications Of Sulfur In Concretementioning

confidence: 99%

“…One of the promising ways to utilize sulfur is in construction as a constituent of sulfur-based concrete. Advantages of sulfur-based concrete as compared to Portland cement concrete are; rapid curing [ 3 ], waste management [ 4 ], possibility of recycling [ 5 ], high resistance to acids and radiation [ 6 ], possibility of concreting at negative ambient temperatures [ 7 ], quick setting time [ 8 ], low electrical and thermal conductivity [ 9 ], water tightness [ 10 ], high frost resistance [ 11 ] and high wear resistance [ 12 ] as shown in Figure 1 .…”

Section: Introductionmentioning

confidence: 99%

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A Critical Review on the Properties and Applications of Sulfur-Based Concrete

et al. 2020

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The incessant demand for concrete is predicted to increase due to the fast construction developments worldwide. This demand requires a huge volume of cement production that could cause an ecological issue such as increasing the rates of CO2 emissions in the atmosphere. This motivated several scholars to search for various alternatives for cement and one of such alternatives is called sulfur-based concrete. This concrete composite contributes to reduce the amount of cement required to make conventional concrete. Sulfur can be used as a partial-alternate binder to Ordinary Portland Cement (OPC) to produce sulfur-based concrete, which is a composite matrix of construction materials collected mostly from aggregates and sulfur. Sulfur modified concrete outperforms conventional concrete in terms of rapid gain of early strength, low shrinkage, low thermal conductivity, high durability resistance and excellent adhesion. On the basis of mentioned superior characteristics of sulfur-based concrete, it can be applied as a leading construction material for underground utility systems, dams and offshore structures. Therefore, this study reviews the sources, emissions from construction enterprises and compositions of sulfur; describes the production techniques and properties of sulfur; and highlights related literature to generate comprehensive insights into the potential applications of sulfur-based concrete in the construction industry today.

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“…It has been recognized that industrial by-products such as micro silica, fly ash, and blast furnace slag act as pozzolans or supplementary cementitious materials and they possess good resistance to chemical corrosion. This property makes them suitable for use in a variety of essential structures [3]. Extensive amounts of waste byproducts are generated around the world [4].…”

Section: Introductionmentioning

confidence: 99%