摘要
随着矿井开采深度的增加及地应力的增加,巷道底鼓成为影响生产的重要因素。文章分析了巷道底鼓的原因,提出了防治巷道底鼓的主要措施。
Along with mine pit mining depth increase and ground stress increase, the tunnel bottom swelling becomes the important attribute of influencing production. In the article, the tunnel bottom swelling reason is analyzed, the main measures of preventing and controlling tunnel bottom swelling are pointed out.
出处
《煤炭技术》
CAS
2007年第8期49-51,共3页
Coal Technology
关键词
巷道底鼓
混凝土反拱
底板卸压
tunnel bottom swelling
concrete counter- arch
ledger wall release of pressure
