2) broken wall rock
破碎围岩
1.
On the supporting techniques for the broken wall rock;
破碎围岩条件下支护方法的探究
2.
This article states briefly construction order and the methods of combining support and protection construction using anchorbolt web,steel belt,concrete spraying in broken wall rock and big section tunnel.
鹤岗矿业集团益新公司C扩区暗井下山破碎围岩段,采用锚网、钢带、喷碹及锚索联合支护取得了较好的效果。
3) broken surrounding rocks
破碎围岩
1.
Based on the geological condition at head entry of 24302 working face in Zhangxiaolou deep mine,Xuzhou mining area,the entry bolt support was tested under broken surrounding rocks conditions.
基于徐州矿区张小楼井24302工作面运输平巷的地质条件,在深井破碎围岩条件下进行了煤巷锚杆支护试验,介绍了锚网带索支护技术参数和不同构件配合支护的巷道矿压显现。
4) crushed surrounding rock
破碎围岩
1.
Deformation and destruction characters of crushed surrounding rock road and support by rockbolt and shotcrete;
破碎围岩巷道变形破坏特征及锚喷支护
2.
The application of smoothwall blasting in crushed surrounding rock of No.
在周家山 2号隧道破碎围岩施工中 ,应用光面爆破技术 ,通过选择合理的爆破参数 ,正确的支护施工方法 ,有效地控制隧道的超欠挖 ,加快掘进速度 ,取得了较理想的效果。
5) broken wall rock
围岩破碎
1.
The shrinkage mining system holds a considerable position in Chinese gold mining,but there are still some problems in the mining practice due to the bad conditions of wall rock Based on the actual frature in wall rock and the solution to it,three types of supports are analsyzed technically,which provides an effective method for supporting the broken wall rock in the shrinkage mining stop
本文结合本矿采矿场上下盘围岩破碎的实际和解决办法 ,对 3种支护形式及效果进行了技术性分析 ,有效地解决了浅孔留矿法采场上下盘围岩破碎的维护问
2.
In view of shallow depth entrance and exit of Aratan Tunnel in the Lu-Huo First-class Highway in Inner Mongolia,broken wall rock,poor self-stability due to growth of joint fissure,it is difficult to form the balanced arch effect.
针对内蒙古鲁霍一级公路阿拉坦隧道进出口埋深较浅,围岩破碎,节理裂隙发育,其自稳能力差,难以形成平衡拱效应,大管棚施作时出现成孔困难、卡钻、塌孔现象。
6) Broken surrounding rock
破碎围岩
1.
Excavation in metal mine roadways in broken surrounding rocks under the effect of high pressure water gushing may lead to serious accidents.
在金属矿山破碎围岩巷道的掘进施工中同时存在高压涌水作用,可导致重大安全事故。
2.
Based on the poor supporting strength and poor stability of surrounding rock of material car line in Quandian colliery,the stability of the broken surrounding rock and destruction mechanism have been analyzed,strengthening scheme of surrounding rock was proposed and using it has made better effect than before.
针对泉店煤矿材料车线现有支护强度不足、围岩稳定性较差的现状,分析了破碎围岩的稳定性及破坏机理,并在此基础上提出了加固方案,取得了较好的效果。
补充资料：碎碎
1.细细;零星。 2.象声词。形容轻微的声音。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条