摘要
通过对姑山铁矿露天转地下主井复杂回填土表土段的分析,提出了高压旋喷桩综合治理技术,从而保证了主井安全可靠通过回填表土层。
through the analysis of the complex backfill surface soil section of the main well in the open pit of gushan iron ore mine,the comprehensive control technology of high pressure spout pile is put forward,thus ensuring the safety and reliability of the main well through the backfill surface soil layer.
出处
《安徽冶金科技职业学院学报》
2018年第3期40-42,共3页
Journal of Anhui Vocational College of Metallurgy and Technology
关键词
主井
高压旋喷桩
钻孔
main well
high pressure spout pile
drilling
