BITUMEN FUNCTIONAL GROUPS ANALYSIS DURING AGING PROCESS BASED ON FT-IR SPECTROSCOPY

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NABAVI AMRI SEYYED AHMAD; NOROUZI MOHAMMAD MAHDI

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Seminar Paper

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Seminar: IRANIAN SEMINAR OF ORGANIC CHEMISTRY
Year:2014 | Issue:22

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Title

BITUMEN FUNCTIONAL GROUPS ANALYSIS DURING AGING PROCESS BASED ON FT-IR SPECTROSCOPY

Author(s)

NABAVI AMRI SEYYED AHMAD | NOROUZI MOHAMMAD MAHDI | Issue Writer Certificate

Keywords

BITUMEN

AGING

FT-IR SPECTROSCOPY

RTFOT

PAV

Abstract

BITUMEN AGEING IS ONE OF THE PRINCIPAL FACTORS CAUSING THE DETERIORATION OF ASPHALT PAVEMENTS [1]. ROAD BITUMEN, AS ALL ORGANIC SUBSTANCES, EVOLVE WITHTIME. IN FACT, THE MECHANICAL PROPERTIES AND THE CHEMICAL STRUCTURES OF BITUMEN CHANGEDIN AGING PROCESS (A KIND OF OXIDATION) [2]. FT-IRSPECTROSCOPY USED TO COMPARISON AND INVESTIGATION OF VARIATIONS IN BITUMEN FUNCTIONAL GROUPSDURINGOXIDATION PROCESS, AROAD AGEING, ALONG WITH TWO AGEING CONVENTIONAL TESTS: THE ROLLING THIN FILM OVEN TEST (RTFOT) AND THE PRESSUREAGEING VESSEL (PAV) [3]. OUR PURPOSE WAS TO COMPARE AND CORRELATE THE RESULTS OBTAINED BY FT-IR TECHNIQUES TOIMPROVE THE KNOWLEDGE OF BITUMEN’S REACTIVITY AND EVOLUTION SUBMITTED TO AGEING PHENOMENA. FT-IR SPECTRUM SHOWED THAT CARBONYL AND SULFOXIDE GROUPS AND CARBON DOUBLE BONDS DURING AGINGINCREASED. THE RESULTS OF PENETRATION AND SOFTENING POINT TESTS (ASTM D5 AND ASTMD36) INDICATE THAT IN AGING PROCESS, DUE TO WASTE OF GROUPS SUCH AS C=C, C=S AND C–C, AND GROWING FUNCTIONAL GROUPS SUCH AS C=O, O=C–O AND C–O, AND INCREASE IN POLAR GROUPS, THE INTERMOLECULAR FORCES INCREASED. AS A RESULT, PENETRATION VALUEOF BITUMEN DECREASES AND ITS SOFTENING POINT INCREASES; IN THE OTHER WORD, THE BITUMEN GETS TO BE HARD.

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APA: Copy

NABAVI AMRI, SEYYED AHMAD, & NOROUZI, MOHAMMAD MAHDI. (2014). BITUMEN FUNCTIONAL GROUPS ANALYSIS DURING AGING PROCESS BASED ON FT-IR SPECTROSCOPY. IRANIAN SEMINAR OF ORGANIC CHEMISTRY. SID. https://sid.ir/paper/913834/en

Vancouver: Copy

NABAVI AMRI SEYYED AHMAD, NOROUZI MOHAMMAD MAHDI. BITUMEN FUNCTIONAL GROUPS ANALYSIS DURING AGING PROCESS BASED ON FT-IR SPECTROSCOPY. 2014. Available from: https://sid.ir/paper/913834/en

IEEE: Copy

SEYYED AHMAD NABAVI AMRI, and MOHAMMAD MAHDI NOROUZI, “BITUMEN FUNCTIONAL GROUPS ANALYSIS DURING AGING PROCESS BASED ON FT-IR SPECTROSCOPY,” presented at the IRANIAN SEMINAR OF ORGANIC CHEMISTRY. 2014, [Online]. Available: https://sid.ir/paper/913834/en

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