在东北严寒季节，在松花江上施工水下爆破孔。
Underwater blastholes had been drilled under the Songhua River during the freezing season in the Northeast.
概述了空气反循环钻进工艺应用于物探爆破孔施工的原理、特点及其试验应用情况。
This paper describes the theory, features and testing results of the air reverse circulation drilling process used in geo physical blast hole drilling.
该钻机主要用于土、岩锚杆、路基、坝基、挡土墙加固、爆破孔等钻孔工程以及高压旋喷孔的施工。
The drilling rig is mainly used in soil and rock anchoring, consolidation of road base, dam base and retaining wall, and blasting hole drilling and jet-grouting.
主要用于道路建设、土石方开挖及露天开采，水利工程爆破孔、预烈孔的凿岩工序，是理想的高效穿凿设备。
Mainly used in roadway construction, excavation rock and soil volume, opencast working, blom up holes of explosion & pre-intensity, for water conservancy projects.
深孔爆破孔底空隙装药在有效地保护底板岩层免遭破坏，减少大块率，提高爆破效率等方面均具有重要的意义。
It is special important meaning that Deep - hole blasting With bottom Gap Charging is used to protect bottom rock from breaking, to decrease block ratio and to improve blasting efficiency.
CTQ - Z 120y型履带式液压钻机主要适用于露天矿山开采，水利，电站，筑路等石方爆破孔凿岩。
CTQ-Z120Y Crawler hydraulic drilling rig is mainly suitable for rock blasting hole drilling in open mining, water conservancy, power plants, roads ect.
为满足我国山地丘陵地区物探爆破孔施工技术的要求，研究适合土层、岩层钻进用的钻机及工具，对钻机的配套设备进行了开发研究。
Drill rig and its accessory tools were developed to meet the technical requirements of drilling Geo physical blast holes in soil and rock among mountainous and hilly area in China.
目前，在爆破工程实践中，爆破工程技术人员通常凭借个人经验、工程类比或者在相似地段进行爆破试验，来决定爆破开挖方案，进行爆破孔网参数设计。
In practicing of blasting , Engineer of blasting design the scheme and parameter of blasting by the personal experience , project analogy and testing on analogical spot at present.
对有水炮孔爆破存在的问题进行了分析，提出了改善有水炮孔爆破效果的措施。
Problems in the water hole blasting were analyzed, and measures for improving water hole blasting effect were proposed.
降低深孔爆破落矿大块率是矿山凿岩中的一个重要课题。
To lower blasted boulder yield is one of the most important technical considerations in deep-hole blasting operations of mine.
高台段深孔孔内微差爆破技术在我国的首次应用，为中小型石灰石矿山高台段开采提供了切实可行的方法。
Millisecond delay technology of high step and deep hole is the first application in China, it offers a realistic method for high step exploitation of middle and small scale limestone mine.
深孔爆破采用合理的布孔方式，使炸药爆炸能量得以充分发挥，破碎率提高，大块度降低，从而获得较理想的堆石坝石料。
The reasonable hole pattern of deephole blasting was utilized to make fully use of the explosive energy to improve the crushed ratio to lower the boulder yield and to obtain better dam rocks.
从目前已有的研究状况来看，对盲天井深孔爆破一次成井的理论和试验研究还不多。
But till today, researches on completion of blind shafting in deep-hold blasting theory and experiment were not many.
通过采取深孔爆破、顶板注水和矿压分析等综合治理措施，有效的解决了瓦斯问题。
Through deep hole blasting, water injection and roof strata of integrated management measures for the effective solution of the gas problem.
本文分析了露天矿深孔爆破长期沿用的连续装药结构存在的问题。
This paper analyses problems concerning the conventional continuous loading structure in open mining deep borehole blasting.
在立井井筒施工中，采取中深孔爆破施工方法，是立井快速施工的有效途径。
In shaft construction, using the method of middle-deep hole explosion can fast and effective build shaft.
通过实例介绍了控制爆破技术在桩孔开挖工程中的应用情况。
The application situations of controlled blasting techniques in pile hole boring are introduced.
基于断裂动力学理论，文章论述了切缝药包定向断裂控制爆破炮孔间贯通裂纹形成的机理。
Based on the theory of dynamic fracture mechanics, the mechanism of crack-forming among shot holes in the directional split of rock by controlled blasting is expounded.
经过优化研究，得出了适宜于大冶铁矿井下中深孔爆破的优化方案。
Through the optimization study, an optimized scheme suitable for the underground deep-hole blasting in Daye Iron Mine , was obtained.
本文论述了水垫层在深孔爆破中的作用。
This paper describes the effects of bottom water cushion on long hole blasting.
讨论了线形聚能装药的参数、设置方法以及深孔爆破的布孔参数、装药结构、起爆方法。
The parameters and layout of linear shaped charge, and the hole-pattern parameters, charging structure and priming method for long-hole blasting were discussed.
简单分析了聚能爆破装药在孔内爆破的力学效应，阐明了聚能爆破对岩石定向破裂的控制机理。
The mechanic affection on the blast hole walls is simply analysed and cracking propagation caused by shaped charge is explained in this paper.
研究了斜孔爆破的特点、孔爆破参数的选择及起爆方案。
The features parameters selection and ignition plan of rat hole blasting are studied.
形刻槽爆破是指在炮孔孔壁上按爆破开裂方向，切出一定深度的轴向对称V形槽，采用不耦合装药结构进行的一种断裂控制爆破。
V-shaped notch blasting is that cutting slots with certain depth along axis -direction of the hole is determined according to the blast-crazing, and then load uncoupled charge and detonation.
探讨了沟槽内岩块的运动规律，以及深孔微差爆破的作用机理。
The movement of the rock in ditching and the mechanism of millisecond blasting were analyzed.
以工程实践为基础，对深孔爆破的成本控制与施工方法、技术的关系进行了探讨。
Based on a practical project, the relationship between construction technology and cost control for deep-hole blasting is discussed.
以工程实践为基础，对深孔爆破的成本控制与施工方法、技术的关系进行了探讨。
Based on a practical project, the relationship between construction technology and cost control for deep-hole blasting is discussed.
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