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Dergiler / Teknik Dergi / 2022 / Cilt: 33 - Sayı: 4

Evaluation of Stripping Problem in Terms of Additive Types and Ratios in Asphalt Pavements

Erol İSKENDER
Atakan AKSOY
Celaleddin Ensar ŞENGÜL
Sayfa
12183–12202
Yayın Tarihi
2022-10-18
DOI
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Additives remained functional and maintain their mechanisms of benefit, especially in the event of a high degree of damage.

📌 3 Maddede Bu Makale

🎯
Amaç & Hipotez:Stripping in asphalt mixtures is the one of foremost distress mechanisms.
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Temel Bulgular & Veri:To prevent stripping, fatty acids (AS) and hydrated lime (HL) additives are often used as anti-stripping additives.
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Sonuç & Katkı:Additives remained functional and maintain their mechanisms of benefit, especially in the event of a high degree of damage.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Asphalt pavement · stripping · modified Lottman test

Özet

Stripping in asphalt mixtures is the one of foremost distress mechanisms. To prevent stripping, fatty acids (AS) and hydrated lime (HL) additives are often used as anti-stripping additives. The determination of the correct usage ratios of these additives and the storage stability of bitumen constitutes important research topics for anti-stripping additive applications. Three surfactants and hydrated lime were used in three ratios to evaluate the effect of additive ratio and type. Indirect tensile strength (ITS) values obtained from samples with one and three cycle modified Lottman conditioning and indirect tensile strength ratios (ITSRs) were interpreted in the context of water damage. The load-carrying capacity of the conditioned mixtures increased significantly. Even if the degree of damage was considerably increased at the end of three cycles, the integrity of the mixtures was maintained. Both AS and HL significantly increased water damage resistance. Modified Lottman conditioning has an observable level of damage. Additives remained functional and maintain their mechanisms of benefit, especially in the event of a high degree of damage.

Abstract

Stripping in asphalt mixtures is the one of foremost distress mechanisms. To prevent stripping, fatty acids (AS) and hydrated lime (HL) additives are often used as anti-stripping additives. The determination of the correct usage ratios of these additives and the storage stability of bitumen constitutes important research topics for anti-stripping additive applications. Three surfactants and hydrated lime were used in three ratios to evaluate the effect of additive ratio and type. Indirect tensile strength (ITS) values obtained from samples with one and three cycle modified Lottman conditioning and indirect tensile strength ratios (ITSRs) were interpreted in the context of water damage. The load-carrying capacity of the conditioned mixtures increased significantly. Even if the degree of damage was considerably increased at the end of three cycles, the integrity of the mixtures was maintained. Both AS and HL significantly increased water damage resistance. Modified Lottman conditioning has an observable level of damage. Additives remained functional and maintain their mechanisms of benefit, especially in the event of a high degree of damage.

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Bu Makaleye Atıf Yap

İSKENDER, E., AKSOY, A., ŞENGÜL, C. E. (2022). Evaluation of Stripping Problem in Terms of Additive Types and Ratios in Asphalt Pavements. Teknik Dergi, Cilt: 33 - Sayı: 4, 12183–12202. https://ajindex.com/articles/596550

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Kaynakça (13)

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