现代矿业
現代礦業
현대광업
Express Information of Mining Industry
2012年
1期
11-14
,共4页
运输平硐%爆破震动%锚索%钢拱架%有限元
運輸平硐%爆破震動%錨索%鋼拱架%有限元
운수평동%폭파진동%묘색%강공가%유한원
Haulage tunnel%Blasting vibration%Anchor cable%Steel arch frame%Finite element
对攀钢兰尖铁矿运输平硐局部地段出现失稳现象,运用有限元数值对其进行了模拟,考虑采矿水平不断下降、露天采场爆破震动对其产生的影响,并对采用预应力锚索和钢拱联合支护效果进行了分析,对类似情况的隧洞分析提供一定的借鉴作用。
對攀鋼蘭尖鐵礦運輸平硐跼部地段齣現失穩現象,運用有限元數值對其進行瞭模擬,攷慮採礦水平不斷下降、露天採場爆破震動對其產生的影響,併對採用預應力錨索和鋼拱聯閤支護效果進行瞭分析,對類似情況的隧洞分析提供一定的藉鑒作用。
대반강란첨철광운수평동국부지단출현실은현상,운용유한원수치대기진행료모의,고필채광수평불단하강、로천채장폭파진동대기산생적영향,병대채용예응력묘색화강공연합지호효과진행료분석,대유사정황적수동분석제공일정적차감작용。
To the instability phenomenon appeared at haulage tunnel local section of a mine,simulation was done by using finite element numerical,effects from continuously decreased mining level,open pit blasting vibration were considered,combining prestressed anchor cable and steel arch support effect were analyzed,provided a certain reference for similar tunnel analysis.
