Fibre glass reinforced plastics bolt's application in coal wall support of stoping tunnel

• 来源期刊: 煤炭学报（英文版）
• 学科: 工学
• 年，卷（期）: 2003,（1）
• 页码范围: 82-84
• 页数: 3页
• 分类号: TD8
• 语种: 英文

摘要

This article set forth two types of destructive form of stopping tunnel coal wall: destructive form in coal and destructive form in interface of coal layer. In addition, the mechanism of destruction in stopping tunnel coal wall is analyzed.