[1]戴俊,吴丙权,孟振.切缝药包控制爆破初始裂缝形成分析[J].爆破器材,2013,42(03):49-52.[doi:10.3969/j.issn.1001-8352.2013.03.012]
　DAI Jun,WU Bingquan,MENG Zhen.Analysis on Formation of Initial Cracks in Cutting Seam Cartridge due to Controlled Blasting[J].EXPLOSIVE MATERIALS,2013,42(03):49-52.[doi:10.3969/j.issn.1001-8352.2013.03.012]
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切缝药包控制爆破初始裂缝形成分析()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
42
期数:
2013年03
页码:
49-52
栏目:
安全与测试
出版日期:
2013-06-20

文章信息/Info

Title:
Analysis on Formation of Initial Cracks in Cutting Seam Cartridge due to Controlled Blasting
文章编号:
4604
作者:
戴俊; 吴丙权; 孟振
西安科技大学建筑与土木工程学院(陕西西安，710054）
Author(s):
DAI Jun;  WU Bingquan;  MENG Zhen
School of Architectural and Civil Engineering, Xian University of Science and Technology (Shaanxi Xian, 710054)
关键词:
控制爆破; 切缝药包; 弹性; 弹塑性; 应力强度因子
Keywords:
control blasting;  cutting seam cartridge;  elastic;  elasticplastic;  stress intensity factor
分类号:
TD 235.37 TD 235.1 +1
DOI:
10.3969/j.issn.1001-8352.2013.03.012
文献标志码:
A
摘要:
选用合适的应力强度因子，使之符合切缝药包控制爆破初始裂缝形成和裂缝扩展的过程。从分析切缝药包控制爆破裂缝形成机理入手，运用弹性及弹塑性理论对切缝药包爆破形成的裂缝及扩展进行力学分析，提出了适合于弹塑性条件下初始裂缝形成的应力强度因子。根据弹塑性理论得出的使岩石产生裂缝的应力强度因子经现场应用较为符合实际情况。
Abstract:
The suitable stress intensity factor was selected to fit in with the initiation of cracks and subsequent propagation in rocks during controlled blasting in cutting seam cartridge. Starting from the mechanism of the cracking process, elastic-and elastic-plastic theories were applied for the mechanical analysis on the initiation and propagation of cracks due to cutting seam cartridge blasting to determine the stress intensity factor under the condition of elasticplastic. Stress intensity factor, which is based on the theory of elastic-plastic and cracking in rocks, is proven to be consistent with the practical -situations.

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备注/Memo

备注/Memo:
收稿日期：2013-03-03
基金项目：陕西省归国留学人员择优资助项目（2011-32）
作者简介：戴俊（1964~），男，教授，博士，主要从事爆破理论与技术及岩土工程等研究工作。
更新日期/Last Update: 2013-06-27