[1] Chen Zhiming, Kang Yang, Min Zhaohui, Huang Wei, et al. Preparation and characterization of epoxy asphalt binderfor pavement of steel deck bridge [J]. Journal of Southeast University (English Edition), 2006, 22 (4): 553-558. [doi:10.3969/j.issn.1003-7985.2006.04.023]

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Preparation and characterization of epoxy asphalt binderfor pavement of steel deck bridge()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

22

Issue:

2006 4

Page:

553-558

Research Field:

Traffic and Transportation Engineering

Publishing date:

2006-12-30

Info

Title:

Preparation and characterization of epoxy asphalt binderfor pavement of steel deck bridge

Author(s):

Chen Zhiming¹;  Kang Yang¹;  Min Zhaohui²;  Huang Wei²

¹ School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210096, China
² School of Transportation, Southeast University, Nanjing 210096, China

Keywords:

epoxy asphalt;  preparation;  characterization

PACS:

U443.33

DOI:

10.3969/j.issn.1003-7985.2006.04.023

Abstract:

A kind of thermosetting asphalt binder designated as epoxy asphalt, which is composed of two components: maleated asphalt with curing agents and accelerant of epoxy resin and epoxy resin, was prepared.Its paving feasibility and concrete performances were investigated using Brookfield viscosimeter, direct tensile test(DTT), Marshall testing and the MTS 810 hydraulic servos-system, respectively.Although only 50% to 60% of added maleic anhydride(MAH)reacted with the base asphalt irreversibly(probably by Diels-Alder mechanism), the curing rate, rupture elongation and tensile strength of maleated epoxy asphalt were enhanced more evidently than those of unmaleated epoxy asphalt.As a result, an epoxy asphalt made from 4% MAH modified asphalt and other curing agents was featured to have an average rupture elongation of 281.9%, an average tensile strength of 2.63 MPa, and the Marshall stability of its cured concrete reached 37.0 kN, while that of uncured concrete was 10.2 kN and the combined beam of fatigue test was still found to behave well after 12×10⁶ cycles load.

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Memo

Memo:

Biography: Chen Zhiming(1963—), male, doctor, professor, chenzm@seu.edu.cn.

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