1) New technology of double-pipe protecting borehole wall blasting
护壁爆破新技术
3) protecting borehole wall blasting
护壁爆破
1.
Application of double-pipe protecting borehole wall blasting in development laneway of Qingping Phosphate Mine;
光面护壁爆破在清平磷矿开拓巷道中的应用
2.
To study single hole-unilateral protecting borehole wall blasting,cement mortar model tests were carried out.
对单孔单侧护壁爆破进行了砂浆模型试验,并对护壁面和临空面进行了动态应变测试,测试结果显示护壁面的应变峰值较临空面降低了44%;运用LS-DYNA3D有限元软件对该试验进行三维数值模拟,分析了炮孔周围介质的有效应力场、压力场、速度场及质点位移的发展和分布。
3.
This paper introduced the principle and method of protecting borehole wall blasting and its application in the Dongxia and Weifang coal mine.
本文介绍了护壁爆破原理和方法以及其在东峡煤矿、潍坊煤矿的应用情况。
4) blasting technology
爆破技术
1.
The application of deep-hole bench blasting technology in deep excavation works;
深孔梯段爆破技术在深基坑开挖中的应用
2.
Research on general blasting technology of stone cubic digging of railway A complex line;
铁路A级复线石方开挖综合爆破技术研究
3.
Brief introduction of the blasting technology of digging hole in stone by manual work;
人工挖孔入岩爆破技术简介
5) blasting technique
爆破技术
1.
The application of blasting technique in drilling pile;
爆破技术在成孔桩中的应用
2.
Application of controlled blasting technique in excavation of pile holes;
控制爆破技术在桩孔开挖工程中的应用
6) explosive technique
爆破技术
1.
Since explosive technique plays an important role in preventing and managing outburst,its extensive use will be fully illustrated in this paper.
爆破技术在防治突出中起到了非常重要的作用,本文论述其在瓦斯突出防治中的广泛应用。
2.
This article introduces the application of explosive technique on the handling of hammer stuck accident and the engineering practices about acceleration of percussioned cast\|in\|site piles construction using loose explosion.
本文介绍爆破技术在处理冲孔灌注桩卡锤事故中的应用以及利用松动爆破加快冲孔灌注桩施工的工程实践。
3.
The author has introduced mesohole explosive technique is adopted in roof pre-splitting on coal face in Xinlu Colliery,Hemei Mining Industry Group Co.
鹤岗矿业集团新陆煤矿将中深孔爆破技术用于采煤工作面顶板煤体的预裂,使中、硬煤层的可放性明显改善,为中、硬煤层生产工艺由分层开采改为放顶煤生产提供有利条件;技术应用的成功,提高了煤层的放煤能力和采煤工作面回采率,提高了工效,降低了资源损失,为今后的采煤工艺改革与生产技术进步提供了新技术的支持。
补充资料：护壁
墙裙。
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