Study of Compared Characterization of SBS Polymer Modified Bitumen

葉光華　王忠偉　譚躍輝　

摘　要：將苯乙烯-丁二烯-苯乙烯(SBS)聚合物改性瀝青用常規(guī)試驗方法(針入度、軟化點、動粘度及脆點)與動態(tài)力學分析方法所得到的試驗結果進行比較研究.結果表明,SBS聚合物能有效提高瀝青的粘彈性,但這種提高作用不能用常規(guī)方法進行檢驗,只能通過動態(tài)力學分析得到證實;用常規(guī)方法和動態(tài)力學方法所測得的參數(shù)之間存在一定的相關關系;針入度、軟化點等參數(shù)不能用來評估SBS改性瀝青的流變特性.
關鍵詞：道路材料; 聚合物改性瀝青; SBS聚合物; 流變特性; 常規(guī)試驗方法; 動態(tài)力學分析
分類號：U414.1; O631　文獻標識碼：A
文章編號：1000-2502(2002)01-0078-04

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