沥青三大指标试验分析
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反映出《规范》编制过程中存在“漏洞问题”，待同行们商榷后加以完善。
此类问题就三大指标试验来讲笔者归纳有5条，由于本文篇幅所限，这类问题以及仪器不同引起的系统误差，沥青取样、送样方法不同引起的误差以及气泡如何进入试模，如何防止气泡进入试模，进入试模的气泡如何处理等问题将另行论述。
◆作者：湖北省孝襄高速公路指挥部中心试验室杨明杨国平刘焕成张治平
Evaluation of On-site Operation of Three Main Indexes Test of Asphalt
Yang Guoping Yang Ming Liu Huancheng Zhang Zhiping
Central laboratory of Xiaoaxiang Empressway Headquarter, Hubei Province
Guangshui Hihgway Agency, Hubei
Abstract: Some common defects in the empiric operation of penetration, ductility indexes and softening point tests were analyzed, and some knotty problems existing in the said three main tests were put forward based on detailed data. Finally, some recommendations for improving "The Test Rules of Asphalt and Asphalt Mixture" were presented.
Keywords: Penetration; Ductility; softening point; Empiric operation; Precision。