The evaluation of the field performance of the neat and SBS modified hot mixture asphalt

Karakaş, Ahmet Sertaç; Kuloğlu, Necati; Kök, Baha Vural; Yılmaz, Mehmet

doi:10.1016/j.conbuildmat.2015.08.140

Cited by 29 publications

(17 citation statements)

References 9 publications

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“…In terms of monthly periods, ITS values of S and SK type core samples were more than N and NK Figure 10. The change of stability in different period [35]. Figure 11.…”

Section: Modified Asphaltmentioning

confidence: 99%

“…The models, which consist of asphalt coating, the base and sub-base include 79,045 elements and 558,224 nodal point in average. Different models were prepared for various time periods, which were 1st, 4th, 8th and 12th Months, by considering the multi-layer structure of asphalt, the traffic and the environmental conditions [35].…”

Section: The Advantages Of the Finite Elements Programsmentioning

confidence: 99%

“…Table 8. Design properties of pure and SBS-modified HMA [34,35]. Gmb, bulk specific gravity; Vh, air voids; Vf, voids filled with asphalt; Vma, the void volume between the aggregates.…”

Section: Hma Design Propertiesmentioning

confidence: 99%

“…This difference is seen 2.3% to 11.8% in neat specimens and 1.8-10% in modified specimens. The reason for this increase is due to the fact that the samples from the edge are exposed to more water due to the transverse slope of the road [35].…”

Section: Modified Asphaltmentioning

confidence: 99%

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Aging Effects on Mechanical Characteristics of Multi-Layer Asphalt Structure

Karakaş¹

2018

Modified Asphalt

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This chapter focuses on Asphalt ages during construction, transportation, application phases and service life, as well. Exposure of environmental conditions such as traffic and climate is one of the prominent reasons aging in asphalt. The most common mechanism of aging is the degradation in the chemical structure of the binder by oxidation. Asphalt aging could cause several serious issues on the pavement such as stiffening, stripping that accelerates fatigue cracking and different moisture-induced problems such as raveling and potholes. Therefore, various additives are used as modifiers to improve the mechanical properties of asphalt. The most commonly used modifiers are polymers. Styrene butadiene styrene (SBS) polymers are utilized to prevent from deteriorating against external factors during its service life and to delay its aging in asphalt pavement. In the scope of this study, it was aimed to provide the general perspectives on mechanical characteristics of multi-layer asphalt structure under the aging effects besides traffic conditions.

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“…In terms of monthly periods, ITS values of S and SK type core samples were more than N and NK Figure 10. The change of stability in different period [35]. Figure 11.…”

Section: Modified Asphaltmentioning

confidence: 99%

Section: The Advantages Of the Finite Elements Programsmentioning

confidence: 99%

“…Table 8. Design properties of pure and SBS-modified HMA [34,35]. Gmb, bulk specific gravity; Vh, air voids; Vf, voids filled with asphalt; Vma, the void volume between the aggregates.…”

Section: Hma Design Propertiesmentioning

confidence: 99%

Section: Modified Asphaltmentioning

confidence: 99%

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Aging Effects on Mechanical Characteristics of Multi-Layer Asphalt Structure

Karakaş¹

2018

Modified Asphalt

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“…Styrene-butadiene-styrene (SBS) is a classical polymer modier for bituminous materials due to its signicant enhancement of mechanical properties and rheological behavior. [1][2][3][4][5] However, phase separation would inevitably exist in the SBS modied bitumen system, the original reason for which is the competition between SBS and asphaltenes to absorb the insufficient light components of bitumen. 3 Various microscopic structures such as droplet-matrix, bicontinuous, and network structures can be induced by phase separation in bitumen/SBS systems.…”

Section: Introductionmentioning

confidence: 99%