盐酸和正磷酸在速溶浆料堆焊中的应用

Iurii Sidun, Oleksiy Vollis, V. Gunka, V. Ivasenko
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引用次数: 1

摘要

本文介绍了六种缓凝沥青乳液的研制和生产(在实验室乳化厂)。确定并选择了1型(0-5 mm)和3型(0-15 mm)浆料堆焊混合料的骨料组成。本文介绍了以蒸馏沥青和氧化沥青为原料,使用不同乳化剂和盐酸和正磷酸制备的沥青乳液为基础,根据混合物的衰变、内聚强度、积累速率和湿道磨损试验的材料损失率标准选择的浆料表面混合成分的结果。证明了以正磷酸和Redicote C-320Е乳化剂制备的乳液为基础,采用浆料-堆焊混合料的优点。这种系统在其组成中最大限度地减少或消除了混合物分解调节剂的使用,并减少了波特兰水泥的含量。该体系的应用,使以轻质石油和岩石材料为原料,以亚甲基蓝测定的总表面活性为标准,生产出具有高固化率的低酸氧化沥青浆状堆焊混合物成为可能,从而在排列的薄层涂层上快速启动输送。此外,该体系湿道磨损指标显著低于传统氧化沥青体系,甚至低于蒸馏沥青体系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Hydrochloric and Orthophosphoric Acids Use in the Quick-Traffic Slurry Surfacing Mix
This article is devoted to development and production (on a lab emulsion plant) of six compositions of slow-setting bitumen emulsions for a slurry-surfacing mix. An aggregate composition for Type 1 (0–5 mm) and Type 3 (0–15 mm) slurry-surfacing mixes was determined and selected. Results of the slurry surfacing mix composition selected by the criteria of a mixture decay, cohesion strength build-up rate and material loss by wet track abrasion testing – on the basis of bitumen emulsions produced from both distilled and oxidized bitumen, using various emulsifiers and both hydrochloric and orthophosphoric acids, are presented in the article. Advantages of using slurry-surfacing mixes based on emulsion produced with orthophosphoric acid and Redicote C-320Е emulsifier were proved. Such a system either minimizes or eliminates in its composition the use of the mixture decomposition regulator and reduces the content of Portland cement. The application of such a system makes it possible to produce slurry surfacing mix on the basis of low acid oxidized bitumen made from light petroleum and rock material through the criterion of the total surface activity determined by methylene blue with high rates of mix curing, and consequently the transport rapid start on the arranged thinlayer coating. Besides, the wet track abrasion indices of this system are substantially lower than in traditional system on oxidized bitumen, and even lower in comparison with the system on distilled bitumen.
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