Study Oil SI-IRP SBS modified asphalts’anti-cracking characteristics

Journal of Chongqing Jiaotong University(Natural Science) ›› 2005, Vol. 24 ›› Issue (1): 50-52.

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Study Oil SI-IRP SBS modified asphalts’anti-cracking characteristics

ZHOU Jin-chuan¹ ， ZHANG Zhi-qiang²， RAO Xlao-yu²

1．Chongqinging Communications Research and Design Institute，C．hongqinging 400067，China；2．College of Material Science and Engineering． Chongqing~ University，Chongqing 400045，China

Received:2004-03-04 Online:2005-02-15 Published:2015-05-18

SBS改性沥青抗裂特性的SHRP试验研究*

周进川¹，张智强²，饶枭宇²

1，重庆交通科研设计院，重庆400067；2.重庆大学材料科学与工程学院，重庆40004

作者简介:周进川(1946一)，男，河南驻马店人，研究员，主要从事道路研究工作
基金资助:
该研究为西部交通建设科技项目的研究内容(2001．318．000．38)

Abstract

Abstract: Three kinds ofdomestic base asphalt andmodier SBS are made into SBS modified asphalt by appropriatetechniquesin order to explore resistance to fatigue and low temperature anti-cracking performance of SBS modified asphalt． SHRP methods including dynamic shear rheo,meter(DSR)，bending beam the meter(BBrt)were used to stray the ological property of three SBS modified asphalts,RTFO／PAV residue． It was shown that correlation was very good between complex shear modulus， phase angk，fatigue king factor，creep still,mvalue and temperature in the range of wider temperatur

Key words: SBS, modified asphalt, anti．cracking performance, SHRP

摘要： 为了探求SBS改性沥青的抗疲劳性能和低温抗裂性能，以三种常用的国产沥青为基质沥青，SBS为改性剂，通过选择合适的工艺条件，制备得到成品SBS改性沥青。运用SHRP试验方法中的动态剪切流变仪(DSR)、弯曲梁流变仪(BBR)分别对三种SBS改性沥青的RTFO／PAV残留物的流变特性进行了试验研究，结果表明：在较宽的温度域范围内，经RTFO／PAV老化的SBS改性沥青试样的复数剪切模量G。、相位角、疲劳开裂因子GSin8、低温蠕变劲度s及蠕变速率m值与试验温度之间存在着良好的相关性。

关键词: SBS, 改性沥青, 抗裂特性, SHRP

CLC Number:

U214.7⁺5

ZHOU Jin-chuan ， ZHANG Zhi-qiang， RAO Xlao-yu. Study Oil SI-IRP SBS modified asphalts’anti-cracking characteristics[J]. Journal of Chongqing Jiaotong University(Natural Science), 2005, 24(1): 50-52.

周进川，张智强，饶枭宇. SBS改性沥青抗裂特性的SHRP试验研究*[J]. 重庆交通大学学报（自然科学版）, 2005, 24(1): 50-52.

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Study Oil SI-IRP SBS modified asphalts’anti-cracking characteristics

SBS改性沥青抗裂特性的SHRP试验研究*

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