Change of ballast strength properties during particles abrasive wear

被引：7

作者：

Kolos, Alexey ^{[1
]}

Konon, Anastasia ^{[1
]}

Chistyakov, Pavel ^{[1
,2
]}

机构：

[1] Emperor Alexander I St Petersburg State Transport, Moskovsky Pr,9, St Petersburg 190031, Russia

[2] JSC RZD, Mat & Struct Test Ctr, Rybinskaya Str,4, St Petersburg 192007, Russia

来源：

PROCEEDINGS OF THE INTERNATIONAL SCIENTIFIC CONFERENCE TRANSPORTATION GEOTECHNICS AND GEOECOLOGY (TGG-2017) | 2017年 / 189卷

关键词：

strength properties; crushed stone; ballast; abrasion degree;

D O I：

10.1016/j.proeng.2017.05.141

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The paper describes cohesion and friction angle research results of new granite railway ballast. It was found out that crushed stone abrasion degree increase leads to ballast cohesion decrease and has not effect on ballast friction angle. Authors determined that strength properties of new and reclaimed ballast mixtures depend on initial abrasion degree significantly. When using a mixture of 70% reclaimed and 30% new ballast it becomes possible to provide mixture ballast strength properties closely approximated to requirements for new ballast. (C) 2017 The Authors. Published by Elsevier Ltd.

引用

页码：908 / 915

页数：8

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