cracking resistance of sulfur extended asphalt mixtures

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Cracking Resistance of Sulfur Extended Asphalt Mixtures ...

2019-7-18  The objective of this study is to evaluate the cracking resistance of sulfur extended asphalt (SEA) mixtures as compared to AC prepared with standard binders. One conventional AC and two SEA mixtures were prepared in the laboratory containing 0%, 15%, and 30% sulfur replacement by weight of the binder, respectively.

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Characterization of Crack Growth Rate of Sulfur-Extended ...

Characterizing crack propagation of asphalt mixtures is helpful for optimizing mixture design and predicting cracking performance of asphalt pavements. This paper explores a new method based on the cyclic semicircular bending (SCB) test to characterize crack growth rate and evaluate fatigue cracking resistance of asphalt mixtures.

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Reasons for Reduced Moisture Resistance of Sulfur

2021-11-1  The paper presents the results of a study of the mechanism for reducing the moisture resistance of sulfur-extended asphalt concrete. It is shown that a decrease in moisture resistance occurs due to the occurrence of chemical and physical processes. At the same time, it was found that during the manufacture of sulfur-bitumen composites, toxic gases H2S and SO2 are formed, which are capable

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Evaluation of various factors affecting mix design of ...

2021-7-5  Sulfur extended asphalt mixtures can provide similar rutting and cracking performance compared to conventional mixes. • Sulfur may have the potential to compensate for polymer modification in asphalt mixtures. • Pre-blending sulfur with asphalt binder may enhance properties of

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SULFUR EXTENDED ASPHALT AS A MAJOR OUTLET FOR

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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Overlay Tester: A Rapid Performance Related Crack ...

2017-1-4  cracking resistance of asphalt mixtures. In a series of tests on Texas mixtures, it was determined that aggregate absorption has a major impact on

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Asphalt Mixtures Modified with Sulphur Pellets, Impact on ...

In this study, asphalt binder was partially substituted with different percentages of modified sulfur (20%, 30%, and 40 wt%) to give 20/80, 30/70, and 40/60 sulfur asphalt (S/A) mixtures. The ...

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Performance evaluation of sulfur as alternative binder ...

2019-7-19  The performance of sulfur as alternative binder additive in asphalt mixtures was presented in this study. The effect of different sulfur contents was investigated to evaluate the rutting and cracking performances of sulfur modified asphalt mixtures. First, the engineering properties and morphologies of the sulfur modified asphalt binder were investigated using traditional binder tests and the ...

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西南交通大学教师主页 颜川奇--中文主页--学术论文 - swjtu ...

2021-11-20  Yan C, Zhang Y, Hussain B. Comparison between SCB-IFIT, un-notched SCB-IFIT and IDEAL-CT for measuring cracking resistance of asphalt mixtures[J]. Construction and Building Materials, 2020, 252: 119060.

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张园 - scut.cn

2021-4-27  The role of binders in mixture cracking resistance measured by IDEL-CT test, Int J Fatigue, Vol. 142, 2020, 105947 (SCI, IF 4.369, JCR-Q1) [7] Yan C., Zhang Y. *, Bahia H.U. Predicting rutting performance of asphalt mixture from binder

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Cracking Resistance of Sulfur Extended Asphalt Mixtures ...

The objective of this study is to evaluate the cracking resistance of sulfur extended asphalt (SEA) mixtures as compared to AC prepared with standard binders. One conventional AC and two SEA mixtures were prepared in the laboratory containing 0%, 15%, and 30% sulfur replacement by weight of the binder, respectively.

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Characterization of Crack Growth Rate of Sulfur-Extended ...

The objective of this study is to evaluate the cracking resistance of sulfur extended asphalt (SEA) mixtures as compared to AC prepared with standard binders. ... In order to investigate the water ...

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Reasons for Reduced Moisture Resistance of Sulfur

2021-11-1  The paper presents the results of a study of the mechanism for reducing the moisture resistance of sulfur-extended asphalt concrete. It is shown that a decrease in moisture resistance occurs due to the occurrence of chemical and physical processes. At the same time, it was found that during the manufacture of sulfur-bitumen composites, toxic gases H2S and SO2 are formed, which are capable

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"Improving moisture sensitivity and mechanical properties ...

Moisture damage and fatigue cracking are the most common defects of Sulfur Extended Asphalts (SEAs). Moisture damage in asphaltic mixtures occurs due to the weak cohesion and adhesion that causes the creation of different forms of pavement defects. Various methods have been employed in order to enhance the asphalt mixture’s resistance to the moisture damage.

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SULFUR EXTENDED ASPHALT AS A MAJOR OUTLET FOR

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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Overlay Tester: A Rapid Performance Related Crack ...

2017-1-4  cracking resistance of asphalt mixtures. In a series of tests on Texas mixtures, it was determined that aggregate absorption has a major impact on

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西南交通大学教师主页 颜川奇--中文主页--学术论文 - swjtu ...

2021-11-20  Yan C, Zhang Y, Hussain B. Comparison between SCB-IFIT, un-notched SCB-IFIT and IDEAL-CT for measuring cracking resistance of asphalt mixtures[J]. Construction and Building Materials, 2020, 252: 119060.

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Laboratory Evaluation of Asphalt Mixtures Containing ...

Asphalt mixtures containing sustainable technologies were evaluated for their laboratory properties. Sustainable technologies included reclaimed asphalt pavement (RAP), crumb rubber modifier (CRM), engineered rejuvenator including de-metalized oil and resin, plant-based rejuvenator, and

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Performance and mechanism of solid waste coking sulfur ...

For the resource utilization of the solid waste coking sulfur paste and the improvement of performance of the asphalt mixture, a method for preparing modified asphalt mixture with coking sulfur paste modifier (CSPM) is herein proposed.

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张园 - scut.cn

2021-4-27  The role of binders in mixture cracking resistance measured by IDEL-CT test, Int J Fatigue, Vol. 142, 2020, 105947 (SCI, IF 4.369, JCR-Q1) [7] Yan C., Zhang Y. *, Bahia H.U. Predicting rutting performance of asphalt mixture from binder

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Cracking Resistance of Sulfur Extended Asphalt Mixtures ...

The objective of this study is to evaluate the cracking resistance of sulfur extended asphalt (SEA) mixtures as compared to AC prepared with standard binders. One conventional AC and two SEA mixtures were prepared in the laboratory containing 0%, 15%, and 30% sulfur replacement by weight of the binder, respectively.

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"Improving moisture sensitivity and mechanical properties ...

Moisture damage and fatigue cracking are the most common defects of Sulfur Extended Asphalts (SEAs). Moisture damage in asphaltic mixtures occurs due to the weak cohesion and adhesion that causes the creation of different forms of pavement defects. Various methods have been employed in order to enhance the asphalt mixture’s resistance to the moisture damage.

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SULFUR EXTENDED ASPHALT AS A MAJOR OUTLET FOR

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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Overlay Tester: A Rapid Performance Related Crack ...

2017-1-4  cracking resistance of asphalt mixtures. In a series of tests on Texas mixtures, it was determined that aggregate absorption has a major impact on

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TRBAM-21-00116: Extended Aging Performance Of High

2021-1-26  To investigate the rutting resistance and cracking resistance of 30%RAP and 50%RAP mixtures with three types of softening oils at various aging levels; To compare the effects of pre-blending softening oils into asphalt binder and spraying softening oils

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Louisiana Transportation Research Center

2016-6-20  modified binder classified as PG 70-22, and the third mixture was a WMA that incorporated a sulfur-based mix additive and PG 64-22 binder. A suite of tests were performed to evaluate the rutting performance, moisture resistance, fatigue endurance, fracture resistance, and thermal cracking resistance of the three mixtures.

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Upgraded Overlay Tester and Its Application to ...

2017-1-4  characterizing the reflection cracking resistance of asphalt mixtures. The upgraded Texas Transportation Institute (TTI) overlay tester is developed in this project to address this problem. Mechanisms of Reflection Cracking HMA overlays often exhibit a joint and/or cracking pattern similar to that which existed

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Fracture Performance of a Large-Stone Asphalt Mixture ...

2021-4-9  A large-stone asphalt mixture (LSAM) is usually used as the base course of asphalt pavement to prevent the generation of cracks. However, there are few studies on the fracture performance and crack resistance of LSAMs. Under the monotonic tensile loading mode, the overlay test (OT) was explored to investigate the influence of different test factors on the cracking resistance and fracture ...

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Performance and mechanism of solid waste coking sulfur ...

2021-8-13  sulfur on the asphalt mixtures and pointed out that the performance of sulfur modified asphalt mixture is superior to the conventional asphalt mixture, improving the rutting resistance and fatigue resistance of the asphalt pavement. PAPIRER et al [14, 15

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硫磺改性沥青混合料基本性能的研究-《武汉工程大学学报》

2017-1-11  The moisture resistance of asphalt mixture reduces significantly after adding different mass fraction of sulfur, the tensile strength ratio of sulfur modified asphalt mixtures AC-13 decreases by 22% with adding sulfur mass fraction of 40%.

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