山东煤炭科技
山東煤炭科技
산동매탄과기
Shandong Coal Science and Technology
2015年
8期
18-19
,共2页
软岩巷道%工业实验%支护方案
軟巖巷道%工業實驗%支護方案
연암항도%공업실험%지호방안
soft rock roadway%industrial experiment%supporting scheme
本文针对巷道围岩活动的特点及岩性，设计一套锚喷、网、锚索组合拱联合支护方案，通过工业实验的方法进行现场观测，得出以10 d为临界期的两帮及顶板移近变化，两帮及拱顶围岩的相对移动量分别为17 mm、20 mm，验证了设计方案的有效性。
本文針對巷道圍巖活動的特點及巖性，設計一套錨噴、網、錨索組閤拱聯閤支護方案，通過工業實驗的方法進行現場觀測，得齣以10 d為臨界期的兩幫及頂闆移近變化，兩幫及拱頂圍巖的相對移動量分彆為17 mm、20 mm，驗證瞭設計方案的有效性。
본문침대항도위암활동적특점급암성，설계일투묘분、망、묘색조합공연합지호방안，통과공업실험적방법진행현장관측，득출이10 d위림계기적량방급정판이근변화，량방급공정위암적상대이동량분별위17 mm、20 mm，험증료설계방안적유효성。
In this paper, basing on the characteristics and the lithology of roadway surrounding rock activities we design a set of combined supporting scheme by combined arch of rock bolt, net and anchor rope. And we do observations on the ifeld by means of industrial experiment, then obtain the variation to get close of two sides and roof, the critical period of which is 10 days. Finally we can draw a conclusion that the relative moving range of two sides and vault of the surrounding rock is 17 mm, 20 mm respectively, which veriifes the design scheme.
