这是国内首次进行大爆破环境影响预测评价的尝试。
The environmental effect forecast evaluation on large blast is at first try internal.
本文结合金刚村硐室大爆破工程实践，设计了导硐的封堵药包方法。
In light of the practice of chamber blasting in Jingang village, a method of stemming charge in leading chamber is described in this paper.
大爆破作业过程中，起爆系统在整个爆破工艺中是一个重要的组成部份。
The detonation system plays an important part in the whole demolition technology in the process of demolition operation.
在公路路堑切槽开挖硐室控制大爆破中，采用较大不耦合比较进行松动控制爆破。
Bigger uncoupling is adopted to realize loose controlled blasting in the excavation of chasm notch blasting.
宁边核设施冷却塔的大爆破将成为该国迈向核活动终结的一个公开而有力的标志。
The massive implosion at the Yongbyon facility is intended to be a powerful public symbol of a move to end nuclear activities by the nation.
根据这次爆破的实测资料，本文重点分析了在这种特定条件下大爆破地震效应的一些基本规律。
Using the measured data from the blasting this paper analyzes the basic rules of the large scale blasting vibration effects under specific conditions.
因民铜矿的大爆破工艺经历了一个不断演变与变革的过程，同时其起爆系统也经历了一个不断改进的过程。
The demolition technology of Yinmin Copper Mine goes through an unceasing evolution and change, so does the detonation system.
本文分析研究了云南大姚铜矿大空区采场大爆破前后的声发射规律；并对大爆破后采场的稳定性进行了安全监测。
This paper analysizes the acoustic emission (AE) law before and after the bulk blasting of the stope in Yunnan Dayao Copper Mine, and monitors the stope stability after the bulk blasting.
采用该套系统对深部采区的大爆破余震进行监测发现，余震事件大多发生在数分钟之内，这表明目前采区围岩的稳定性较好。
The results show that all monitored aftershocks occur in a few minutes after blasts, which means rock mass surrounding the mining area has a good stability condition at present.
在进一步澄清大爆破概念的基础上，简要分析了大爆破工程勘测的必要性和重要性，重点论证了大爆破工程勘测的目的、内容和要求。
Based on the clarification of blasting concept, the necessity and importance of blasting engineering is briefly analyzed, with emphasis on its purpose, content and requirements.
高速公路路堑爆破开挖工程具有开挖高度变化大、开挖断面小、开挖轮廓要求严、特别是边坡质量要求高等特点。
Cutting excavation blasting in expressway construction is characterized by a wide range of excavation height, small excavation section and high quality requirements.
贵州大花水水电站碾压混凝土双曲拱坝、重力坝开挖采用深孔梯段微差爆破。
The excavation of the rolled concrete double-curvature arch dam and gravity dam in Dahuashui hydroelectric station in Guizhou adopted deep-hole graded slight differences demolition.
城市建筑物拆除爆破风险大，必须控制风险。
The demolition blasting of building site has very big risk, must control it.
以两个工程为例，介绍了在城镇基坑开挖工程中采用了大孔径深孔爆破技术。
Taking two of projects as examples, the paper discussed the technology of large diameter borehole blasting applied in the excavation of footing groove in city.
文章提出了在保护层爆破中采用大孔径复合垫层爆破，对复合垫层爆破的理论进行了研究，并通过数值计算对复合垫层进行了优化设计。
The theory of protective level blasting by using duplicate cushion in large hole is put forward and the optimized design of the duplicate cushion was done by numerical value calculation.
立井爆破振动的径向振动速度较垂向振动速度大；
Radial vibration velocity was larger than that of vertical. Vertical shaft blasting vibration was much affected by shock wave.
在狭小地带爆破拆除高层建筑物是爆破工作者的一大难题。
It is a difficult problem for blaster that high buildings are demolished in a small and narrow area.
通过提高炸药爆速、大装药密度等方法可以提高聚能装药爆炸后形成射流的能量和改善聚能爆破切割石材的效果。
Explosive with high density and high velocity can greatly increase the explosion energy and improve the effect of rock materials cutting by shaped charge .
选择的起爆方法应使桥梁在爆破及坍塌的过程中，受到尽可能大的应力。
Initiation is chosen so that during the blasting and collapse procedure, the bridge is subjected to as much stress as possible.
采用有效措施，对震动和飞石进行了控制，成功地完成了大孔在浅孔控制爆破中的应。
The effective measures to control the vibration and fly rocks were adopted to successfully perform the application of large hole in shallow hole controlled blasting.
在城市拆除爆破中，用小孔爆破法拆除重心很低、支承面大的浆砌片石构筑物难度很大。
It is difficult to demolish structure which has lower height of gravity center, larger supporting surface and mortar rubble with demolition blasting in city.
本文介绍了地下大跨岩石隧洞于山溜冰场的施工步骤 ，微振动控制爆破技术在施工中的应用 ，以及树脂张拉锚杆的施工等技术。
The application of microseism controlled blasting technique during construction, as well as the construction technique of the resin tensile anchor bolts, are introduced also.
主要介绍露天深孔大梯段预裂爆破、减震爆破、微差爆破、最大一次装药量的控制措施和关系。
The relationship between the pre-splitting, vibration reduction, millisecond blasting and the maximum single detonating charge in open deep-hole large stage is introduced.
爆破内衬管法-当希望用大的聚乙烯管道代替原来的管道时，采用这种方法。
Burstlining - used when wanting to install a larger PE pipe in place of the original pipes.
介绍了采用控制爆破技术施工位于井底车场及主要运输大巷的信集闭峒室，条件复杂，岩性变化大，要求安全性高。
This paper introduces controlled blasting technology on signal chamber of pit-bottom and main haulage roadway, which are of complex condition, lithological character and highly security.
通过采用“大时差”和“大悬臂梁”原理，对该大楼成功地实施了定向爆破拆除。
According to the "Big Time Delay" and the "Big Over Hanging Beam" principle, the building was successfully demolished through directional blasting.
而采用爆破方法，进行大规格高标准的沟状整地技术，无论是生态效益、经济效益和社会效益都取得了显著的效果。
For preparing heigh quality soil in the shape of ditch no a large scale explosion is utilized and remarkable benefits in ecology, economy and sociality have been achieved in all these respects.
拟拆除的灰库结构复杂，整体结构牢固，爆破难度大。
It is difficult to demolish an ash warehouse due to its complex structure and integral firm structure.
拟拆除的灰库结构复杂，整体结构牢固，爆破难度大。
It is difficult to demolish an ash warehouse due to its complex structure and integral firm structure.
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