Test of hydraulic blasting method in the secondary blasting of blocks in open pits

The results of the calculation show that when the blasting with not-coincident powder charge is happened, the effective affecting radius of stress waves is about eight times of the diameter of the blasthole.

计算结果表明，采用不偶合装药的爆破方法时，应力波有效作用半径约为炮孔直径的8倍。

The test and use of the controlled blasting of black powder in granite dimension stone production in Shangcheng County, Henan is described with working face production elements and reasonable blasting parameters recommended.

介绍了黑火药控制爆破法在河南省商城县花岗岩开采中的试验与应用，给出了工作面开采要素和合理的爆破参数。

Fuzzy Comprehensive Evaluation on the Safety of Soil and Rock Blasting

土岩爆破作业安全的模糊评价

Current Research Situation of Problems Related to High Ground Stress and Rock Blasting

高地应力与岩爆有关问题的研究现状

The Neural Network Model of Rock Blasting Parameters Design

岩体爆破参数设计的神经网络模型

The Application of Image Processing Techniques in Rock Blasting Fragmentation Analysis

图像处理技术在岩石爆破块度分析中的应用

Matter element analysis model for classification of rock blasting and its application

岩体可爆性分级物元分析模型及其应用

The Study on Theoretical Model and Development Trend for Rock Blasting

爆破作用下岩石破碎理论模型的研究现状及发展趋势

So it is especially important that rejoice in liaohe oilfield ridge area blasting param-eters of heavy oil horizontal wells and blasting technology application.

因而，开展辽河油田欢喜岭地区稠油水平井冲砂参数的研究及冲砂技术的应用就显得尤为重要。

Application of Blasting Technology in Demolishing Oil Refineries

爆破技术在取缔非法土炼油设施中的应用

On the basis of erosion wear theory of materials and the abrasive water jet cutting process, the mechanisms of both casing cutting and formation rock cutting with hydraulic sand blasting perforation of oil wells are discussed, and the influencing parameters are investigated.

根据材料冲蚀磨损理论和磨料射流切割原理，对利用水力喷砂射孔技术切割套管和近井地层岩石的机理及其影响因素进行了分析。

This paper studied the ways and safety measures to use hydraulic controlled blasting to demolish oil tank body under very complicated surrounding environment, accumulating experiences for the hydraulic controlled blasting.

本文研究在周围环境相当复杂的情况下采用水压控制爆破拆除油罐体的方法，安全措施，为今后的水压控制爆破积累了经验。

Design and construction of chamber blasting of oil-gas dock at Yingling in Guangxi

鹰岭油气码头峒室爆破设计与施工

Numerical Simulation of Blasting between Adjacent Charge Holes in Rock

岩石中相邻炮孔装药爆破的数值模拟

Applications and mechanism of air-cushion blasting with column charge

条形药包空腔爆破的应用及其机理分析

Numerical Simulation and Theory Study of Rock Blasting without Interaction Charge

不耦合装药条件下岩石爆破的理论研究和数值模拟

This paper analyzes the domestic and international research of presplit blasting Air-deck Charge technology, and put forward the necessity and urgency of using this technology in the highway construction which through the mountains.

论文分析了国内外预裂爆破空气间隔装药技术的研究现状，并提出了在山区公路修建中使用该技术的必要性和迫切性。

After the theoretical analysis, the numerical modeling determined the best lengthways decoupling coefficient of the presplit blasting Air-deck Charge.

在理论分析的基础上，数值建模研究了空气间隔装药预裂爆破中最佳纵向不耦合系数。

In virtue of the wave solution of plastic dynamic response of plate and the dynamic fracture theory, the critical blasting charge was derived theoretically when onset of initial circumferential crack namely critical damage happened in thin plate subjected to explosions.

应用塑性动力响应波动解及动态断裂理论，从理论上推导了薄钢板在爆炸冲击载荷作用下产生初始环向裂纹即发生临界破坏时的装药量，并得出板的临界位移理论表达式。

The blasting charge, blasting notch high and blast-hole pattern are carefully designed, and the design project of blasting is strictly implemented. Prospective aim of safe production is realized and collapse of chimney is precise.

在装药量、烟囱切口高度，炮孔布置等方面精心设计，并严格按爆破设计方案施工，最终实现了预期的安全生产目标，爆破烟囱精确倒塌。