GEOTECHNICAL PROPERTIES OF PATAGONIAN TEPHRA TUFF

被引：0
|
作者：
Willan, Martyn
机构：
来源：
PROCEEDINGS OF THE 5TH INTERNATIONAL YOUNG GEOTECHNICAL ENGINEERS' CONFERENCE (IYGEC 2013) | 2013年 / 2卷
关键词：
D O I：
10.3233/978-1-61499-297-4-467
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
Geotechnical investigations for a proposed mineral processing plant located in southern Argentina found the presence of a highly variable Tephra Tuff (lithified pyroclastic fall) rock mass. During percussion drilling work it was apparent that the structure of the tuff was being destroyed. In addition, inspection of the completed holes showed them to be smooth with a smeared zone of material. The author observed that the Tephra Tuff material exhibited similar engineering properties to, and behaved in a similar way as, Chalk (Lord et al, 2002). Given that relatively little research has been carried out on Tephra Tuffs, any work demonstrating similar engineering behaviour could enable the existing research on low density/high porosity chalks to be used as a starting point for geotechnical design.
引用
收藏
页码：467 / 470
页数：4
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