山东煤炭科技
山東煤炭科技
산동매탄과기
Shandong Coal Science and Technology
2015年
4期
1-2,4
,共3页
中空注浆锚索%大断面硐室%锚注支护
中空註漿錨索%大斷麵硐室%錨註支護
중공주장묘색%대단면동실%묘주지호
hollow grouting anchor%chamber of large section%bolting and grouting support
采用中空注浆锚索支护大断面永久硐室，实现了锚注一体化，提高了锚索的承载力，巷道两帮和顶底板移近量明显减小，顶板深部离层得到了有效控制，取得了良好的支护效果，节约了用于补强支护的成本。表明以中空注浆锚索为基础的锚注支护方式对大断面硐室的支护稳定性具有显著的效果，值得推广应用。
採用中空註漿錨索支護大斷麵永久硐室，實現瞭錨註一體化，提高瞭錨索的承載力，巷道兩幫和頂底闆移近量明顯減小，頂闆深部離層得到瞭有效控製，取得瞭良好的支護效果，節約瞭用于補彊支護的成本。錶明以中空註漿錨索為基礎的錨註支護方式對大斷麵硐室的支護穩定性具有顯著的效果，值得推廣應用。
채용중공주장묘색지호대단면영구동실，실현료묘주일체화，제고료묘색적승재력，항도량방화정저판이근량명현감소，정판심부리층득도료유효공제，취득료량호적지호효과，절약료용우보강지호적성본。표명이중공주장묘색위기출적묘주지호방식대대단면동실적지호은정성구유현저적효과，치득추엄응용。
Using hollow grouting anchor to support the large section permanent chamber, realize the bolting and grouting integration, improve the bearing capacity of anchor cable, and decrease two sides and the deformation amount between roof and lfoor of roadway, the roof deep separation has been effectively controlled, achieved good supporting effect, and saved the reinforcement support cost, which indicate that the bolting and grouting methods on the basis of hollow grouting anchor to the stability of large cross section chamber has signiifcant effect, it is worthy of popularization and application.
