Application and Research on Support of Bolt,Net and Spraying in Intersection of Soft Surround Rock;
软围岩交岔点锚网喷支护的应用及研究
The application of special support at the intersection of coal mine passages;
特种支架在煤巷交岔点中的使用
Aimed at the feature of large intersection and working hard trouble in Zhangji Coal Mine 1110(3) fully-mechanized coal winning,we adopt bolt and anchor cable technology and combined the feature of roof rock fixed the rock around the intersection.
针对张集煤矿1110(3)综采面轨运联巷交岔点断面大,综掘机施工困难的特点,采用锚杆锚索支护技术,并结合顶板岩性局部变化的特性,有效地对交岔点及周边围岩进行了加固。
Instability analysis of large-bore crossing and its control;
大断面交岔点失稳分析及治理
Grouting reinforced technology for crossing of No.910 east roadway in Malan Mine;
马兰矿910东大巷交岔点注浆加固技术
The paper has made a analysis of destruction at arching crossing,raised the corresponding manitenance method——reinforcing by adjoining rock grouting at crossing.
本文通过对砌碹交岔点破坏原因的分析,提出较适应砌碹交岔点维修的方法,即对交岔点采取围岩注浆加固,用“内补外固”法修复。
The authors finally put forward some reasonable measures in temporarily shoring on intersections.
应用数值计算技术对张集煤矿8煤层大断面交岔点巷道支护进行计算分析,获得该交岔点的支护参数为顶板每排6根锚杆、直径22 mm、排距0。
The results show that deformation and failure in areas of all styles of roadway intersections are more serious than those of roadways without any intersection,with the deformation at the cross style of roadway intersection being the most serious.
为了揭示巷道交岔点失稳机理,寻求合理的交岔点支护方式,采用FLAC3D程序对不同交岔点形式、深度、围岩强度、开挖顺序及开挖步距大小等因素进行了数值模拟计算。
In order to find reasonable reinforcement parameters for roadway intersection,based on orthogonal de- sign test,a simulation analysis was taken on reinforcement parameters for roadway intersection under different rock mass strength by FLAC~(3D),and the outcome data of the test were analyzed by range analysis and variance analysis.
为了寻求交岔点巷道合理的支护参数,基于正交设计试验,采用数值模拟软件Flac~(3D)对不同围岩强度下交岔点巷道的支护参数进行了数值模拟分析,并对试验结果进行了极差和方差分析。
Aim at the problem of complex in stress distribution and hard to support at roadway intersection caused by broken surrounding rocks,we simulated the stress distribution at roadway intersection before and after being reinforced by using the software FLAC3D.
为了解决巷道交岔点处的围岩松散破碎引起的应力分布复杂难以支护的问题,本文采用FLAC3D数值模拟软件对巷道交岔点处加固补强前后的应力分布状态进行了模拟。
This paper introduces the selection and application of the large section roadway junction's supporting technology, and the effect of this construction technique's application.
介绍了一种在煤顶条件下大断面巷道交岔点支护形式的选择、应用,及此种施工技术的应用效果。
By simulating the large junction support parameters of Zhangbei Colliery with computer software, the reasonable support parameters were obtained.
应用计算机数值模拟软件对张北煤矿8煤层大断面交岔点巷道支护参数进行模拟,通过对模拟结果分析,确定8煤交岔点的支护参数为顶板每排6根锚杆,直径选用22 mm、排距0。
32031 upper parking lot crossing point in Peigou Coal Mine,in combination with the combined strengthening theory with anchor and injection,the view of strengthening technology of the crossing point was pointed out.
通过对裴沟煤矿32031上车场交岔点采用工字钢组棚支护,结合锚、注联合加固的理论,提出了交岔点加固技术的观点,并成功地实施。
In the construction of driving roadways,it\'s very important to support at the meeting coal point,the broken fault zone,and the roadway crossing point.
在掘进巷道施工中,见煤点、断层破碎带、巷道交岔点的支护非常重要。
Talking about the Improvement of the Support Pattern on the Intersections within Ⅸ Mining Area
Ⅸ号煤采区内交岔点支护方式的改进
Study on Computer Aided Design System of Coal Mine Roadway Junction;
煤矿巷道交岔点计算机辅助设计系统的研究
Research and Application of Strengthening Technology at Coal Roadway Crossing Point in "Three Soft" Coal Seam
“三软”煤层煤巷交岔点加固技术研究与应用
Application of Combined Support with Bolt Wire Net Shotcrete Cable and Belt at Meeting Coal Point,Broken Fault Zone and Roadway Crossing Point
锚网喷索带组合支护在见煤点、断层破碎带、巷道交岔点的应用
The result of the practical test showed that the technique was a effective way to solve the problems of high stress road and large span intersection supporting.
工程实践表明,该技术是解决深井高应力软岩巷道、大断面交岔点等支护难题的有效途径。
The vertex of the angle created by the intersection of rails in a frog or switch.
辙叉角在岔心或岔道上,由铁轨交叉而成的角的顶点
switch circuit controller contact
道岔电路控制器接点
A crossed line, ie interruption of a telephone call because of a wrong connection
交扰线路(电话因岔线而产生的干扰)
The road branches after the level-crossing.
这条路在经过平面交叉道口後岔开了.
The road branches after the level crossing.
这条路在经过平面交叉道口后岔开了。
Hopf Bifurcation Analysis of Voltage Stability in AC/DC Systems
交直流系统电压稳定性的Hopf分岔分析
Another turning point, a fork stuck in the road.
又是一个转折点,一个岔口分开了道路。
The villager tell me to take the leave fork of the road
村民指点我走左边的岔路
The policeman gestured him into the fork on the other side
警察用手势指点他走另一边的岔路。
The villager told me to take the left fork of the road.
村民指点我走左边的岔路。
A point of divergence, especially one of great moment.
转折点分岔点,尤指需要作出重大决择的时刻
Research on Straight Switch for Continuously Welded Rail in Urban Rail Transit;
城市轨道交通直线尖轨道岔无缝化研究
Study of Longitudinal Forec for the Seamless Turnout Scissors Crossing on Ballastless Bridge;
无砟轨道桥上无缝道岔交叉渡线纵向力研究
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号