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The present invention relates to asphalt compositions. The present invention provides for a sulfur rubber asphalt binder composition that includes a base asphalt having a softening point, elemental sulfur, and a crumb rubber material. The crumb rubber material is combined with the base asphalt and the elemental sulfur to create the sulfur rubber asphalt binder composition.
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2017-3-20 Method of making sulfur extended asphalt modified with crumb rubber. Patent number: 10240040 Abstract: The present invention relates to asphalt compositions. The present invention provides for a sulfur rubber asphalt binder composition that includes a base asphalt having a softening point, elemental sulfur, and a crumb rubber material.
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An improved sulfur-extended asphalt composition and method for use in making compacted bituminous concrete, whereby solid sulfur, preferably in powdered form, is added to liquid asphalt on substantially a 1:1 weight basis, the asphalt comprising less than 3.1% of
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Method of Sulfur Extended Asphalt Mixtures 3.2. Sulfur Role in Chemical Structure of Bitumen and Its Properties The reaction between sulfur and bitumen depends on temperature and sulfur concentration. At its melting point, it has octet ring form and at higher temperatures it forms polymer and gets the form of 2
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2015-11-30 Huge amount of sulfur production as a side product in petrochemical industries and its low application in country has been a challenging issue. In this paper, application of sulfur as a partial substitute for bitumen in process of asphalt mixture production is investigated. According to the results, the characteristics of the sulfur extended asphalt in comparison with the conventional asphalt ...
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SULFUR EXTENDED ASPHALT AS A MAJOR OUTLET FOR SULFUR THAT OUTPERFORMED OTHER ASPHALT MIXES IN THE GULF Mohammed Al-Mehthel1, Hamad I. Al-Abdul Wahhab2, Saleh H. Al-Idi1 , and Mirza Ghouse Baig 2, 1: Engineering Consultant , and Principal Professional, respectively, Consulting Services Department, Saudi Aramco.
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2020-6-1 The Urban Heat Island (UHI) is a phenomenon that affects many millions of people worldwide. The higher temperatures experienced in urban areas compared to the surrounding countryside has enormous consequences for the health and wellbeing of people living in cities. The paper studies the temperature dependence of the surface of the asphalt concrete on the air temperature of Hanoi city
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American Journal of Civil Engineering Characteristics and Preparation Method of Sulfur Extended Asphalt Mixtures January 2015 American Journal of Civil Engineering 3(2):69-74
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2021-9-13 Sulfur asphalt in roofing, damp-proofing and water proofing. Number: SA5776. Patents in 2017. 1. Enhancing properties of sulfur extended asphalt using polyethylene wax. Number: CN105143326B. 2. Utilization of Heavy Oil Fly Ash to Improve Asphalt Binder and Asphalt Concrete Performance. Number: GC0006280.
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2021-10-29 Sulfur dissolved in oil components of asphalt is a binder, filler, and chemical co-reagent at once. The structure of sulfur-extended asphalt depends on its formula and heating temperature.
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2017-3-20 Method of making sulfur extended asphalt modified with crumb rubber. Patent number: 10240040 Abstract: The present invention relates to asphalt compositions. The present invention provides for a sulfur rubber asphalt binder composition that includes a base asphalt having a softening point, elemental sulfur, and a crumb rubber material.
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An improved sulfur-extended asphalt composition and method for use in making compacted bituminous concrete, whereby solid sulfur, preferably in powdered form, is added to liquid asphalt on substantially a 1:1 weight basis, the asphalt comprising less than 3.1% of
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The asphalt compositions can be used in any applications where use of a sulfur extended asphalt would be beneficial. In another aspect, the invention provides a method of making the sulfur wax asphalt composition. The polyethylene wax is mixed with the base asphalt at a first predetermined temperature in a high shear blender for a first ...
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The Urban Heat Island (UHI) is a phenomenon that affects many millions of people worldwide. The higher temperatures experienced in urban areas compared to the surrounding countryside has enormous consequences for the health and wellbeing of people living in cities. The paper studies the temperature dependence of the surface of the asphalt concrete on the air temperature of Hanoi city with a ...
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American Journal of Civil Engineering Characteristics and Preparation Method of Sulfur Extended Asphalt Mixtures January 2015 American Journal of Civil Engineering 3(2):69-74
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2021-7-1 Twenty-six sulfur-extended asphalt (SEA) paving projects, constructed between 1975 and 1982 in 18 states, were surveyed to measure the incidence and
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2021-9-13 Sulfur asphalt in roofing, damp-proofing and water proofing. Number: SA5776. Patents in 2017. 1. Enhancing properties of sulfur extended asphalt using polyethylene wax. Number: CN105143326B. 2. Utilization of Heavy Oil Fly Ash to Improve Asphalt Binder and Asphalt Concrete Performance. Number: GC0006280.
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Typical virgin asphalt from Alexandria refinery and 30% SEA were used as the base binders. The 30% sulfur was selected to extend the asphalt binder based on several literature studies , , .The basic characteristics of the base asphalt binders are summarized in Table 1.Recycled Polyethylene (rPE) was supplied from local sources.
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2021-1-21 Al-Mehthel M, Al-Abdul Wahhab H, Al-Idi SH, Baig MG (2010) Sulfur-extended Asphalt as a major outlet for sulfur that outperformed other asphalt mixes in the gulf. In: Sulfur world symposium, Qatar. 29. Eisa M, Basiouny M, Elbasomy O (2019) Evaluating hot asphalt mixtures of poor quality aggregate with sulphur extended asphalt.
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2021-10-29 Sulfur dissolved in oil components of asphalt is a binder, filler, and chemical co-reagent at once. The structure of sulfur-extended asphalt depends on its formula and heating temperature.
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The Urban Heat Island (UHI) is a phenomenon that affects many millions of people worldwide. The higher temperatures experienced in urban areas compared to the surrounding countryside has enormous consequences for the health and wellbeing of people living in cities. The paper studies the temperature dependence of the surface of the asphalt concrete on the air temperature of Hanoi city with a ...
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Typical virgin asphalt from Alexandria refinery and 30% SEA were used as the base binders. The 30% sulfur was selected to extend the asphalt binder based on several literature studies , , .The basic characteristics of the base asphalt binders are summarized in Table 1.Recycled Polyethylene (rPE) was supplied from local sources.
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2014-2-10 The utilization of sulfur on road construction has been known as Sulfur Extended Asphalt Modifier (SEAM). Opportunity for utilization of sulfur as partial substitute for bitumen in asphalt mixtures is a great application. Sulfur may make the asphalt more economical and may improve mechanical and durability properties such as
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2021-7-1 Twenty-six sulfur-extended asphalt (SEA) paving projects, constructed between 1975 and 1982 in 18 states, were surveyed to measure the incidence and
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2021-10-29 Sulfur dissolved in oil components of asphalt is a binder, filler, and chemical co-reagent at once. The structure of sulfur-extended asphalt depends on its formula and heating temperature.
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2021-1-21 Al-Mehthel M, Al-Abdul Wahhab H, Al-Idi SH, Baig MG (2010) Sulfur-extended Asphalt as a major outlet for sulfur that outperformed other asphalt mixes in the gulf. In: Sulfur world symposium, Qatar. 29. Eisa M, Basiouny M, Elbasomy O (2019) Evaluating hot asphalt mixtures of poor quality aggregate with sulphur extended asphalt.
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2019-11-13 Saleh H. Al-Idi, (2017). “Method of making sulfur extended asphalt modified with crumb rubber”. US Patent US9624351 27. Mohammad Anwar Parvez, Hamad I. Al-Abdul Wahhab, Ibnelwaleed A. Hussein, Mohammed Al-Mehthel, Saleh H. Al-Idi, (2017). “Enhancing properties of sulfur extended asphalt using polyethylene wax”, US Patent US9546275 28.
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persed sulfur crystals compared with limestone filler particles of equal amounts. For this pur pose, a series of viscosity measurements were per formed on asphalt binders extended with sulfur and limestone filler-extended asphalt (FEA) that had ratios varying up to 1:1 by weight to the asphalt.
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2021-1-8 rutting and resistance to dynamical loads. It was proposed earlier to use sulfur extended asphalt concrete in road construction practice. To reduce the emission of sulfur dioxide and hydrogen sulfide during the concrete mix preparation and pavement production stages, it is beneficial to make such a concrete on the base of complex sulfur modifier.
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2019-2-20 depends on the application method (dry or wet), when it is u sed in asphalt mixtures and the characteristics of the base binder. Regarding rubberized bitumen, ASTM D 6114 defines asphalt
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