[1]缪玉松,李晓杰,闫鸿浩,等.基于连续压导探针的炸药爆速和临界直径测试方法[J].爆破器材,2016,45(06):61-64.[doi:10.3969/j.issn.1001-8352.2016.06.012]
　MIAO Yusong,LI Xiaojie,YAN Honghao,et al.Detonation Velocity and Critical Diameter Testing Method for Explosive Based on Pressure-conduct Probe Design[J].EXPLOSIVE MATERIALS,2016,45(06):61-64.[doi:10.3969/j.issn.1001-8352.2016.06.012]
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基于连续压导探针的炸药爆速和临界直径测试方法()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
45
期数:
2016年06
页码:
61-64
栏目:
安全与测试
出版日期:
2016-11-16

文章信息/Info

Title:
Detonation Velocity and Critical Diameter Testing Method for Explosive Based on Pressure-conduct Probe Design
文章编号:
5108
作者:
缪玉松; 李晓杰; 闫鸿浩; 王小红; 李科斌
大连理工大学工程力学系(大连辽宁,116024)
Author(s):
MIAO Yusong;  LI Xiaojie;  YAN Honghao;  WANG Xiaohong;  LI Kebin
Department of Engineering Mechanics, Dalian University of Technology (Liaoning Dalian, 116024)
关键词:
爆炸力学;  临界直径;  压导探针;  爆速;  炸药参数
Keywords:
mechanics of explosion;  critical diameter;  pressure-conduct probe;  detonation velocity;  explosive parameters
分类号:
TD235.1
DOI:
10.3969/j.issn.1001-8352.2016.06.012
文献标志码:
A
摘要:
临界直径是确定炸药合理装药直径、预防炸药拒爆和不完全爆轰的重要指标，对炸药性能提高和高效利用有着十分重要的意义。设计了一种连续压导探针和楔形装药装置，在对炸药爆速进行测试的同时，利用炸药在临界直径不完全爆轰的特征，通过寻找爆轰波传播的拐点确定炸药临界直径。试验结果表明：装药密度为0.9 g/cm3的铵油炸药爆速为3 261 m/s，临界直径为12.5 mm。提供了一种可同时测得炸药爆速和临界直径的方法，该方法简单，试验费用低，对炸药参数测试具有一定的指导意义。
Abstract:
As an important parameter to determine the reasonable charge diameter and avoid misfire and incomplete detonation, the critical diameter of explosive has a vital signification on performance improvement and utilization efficiency. In this paper, a continuous pressureconduct probe and wedge charge device was designed to measure the detonation velocity of the explosive and its critical diameter was determined using the incomplete detonation characteristics and locating the detonation inflection point. The experimental results on the ANFO having a charge density of 0.9 g/cm3 show a detonation velocity of 3 261 m/s and a critical diameter of 12.5 mm. It provides a simple and low cost method for testing detonation velocity and critical diameter of explosives at one time, which can be taken as a guideline for the determination of explosive parameters.

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备注/Memo

备注/Memo:
收稿日期：2016-07-10
作者简介：缪玉松(1986－)，博士研究生，主要从事工程爆破和岩土工程研究。E-mail:393291800@qq.com
通信作者：李晓杰(1963－)，博士，教授，博士生导师，主要从事爆炸力学、爆炸加工和特种爆破方面的研究。E-mail: dalian03@qq.com
更新日期/Last Update: 2016-11-16