费鸿禄,洪陈超

• 1:辽宁工程技术大学爆破技术研究院

摘要(Abstract)：

为了得到更加符合实际的裂隙区范围计算公式,从理论上分析研究了在空气不耦合装药条件下裂隙区范围的计算方法。选取2号岩石乳化炸药和4种典型的岩石参数值,对基于初始损伤和粉碎区存在的岩石裂隙区半径进行了计算,并在此基础上运用阿贝尔原理和岩石止裂条件考虑了爆生气体准静态作用下裂隙的二次扩展。研究结果表明:粉碎区范围的大小会对裂隙半径极大值产生较大影响,并且当岩石初始损伤达到0.7~0.8时,裂隙区半径受到的影响程度达到最大;得到了应力波动作用和爆生气体准静态作用下裂隙区半径计算公式。

关键词(KeyWords)： 不耦合装药;初始损伤;爆生气体;准静态;二次扩展

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 费鸿禄,洪陈超

参考文献(References)：

• [1]杜俊林,罗强,宗琦.空气不耦合装药爆破孔壁压力分析[J].西安科技大学学报,2005,9(25):306-310.[1]DU Jun-lin,LUO Qiang,ZONG Qi.Analysis on preliminary shock pressure on borehole of air-de-coupling charging[J].Science and Technology Journals of Xian University,2005,9(25):306-310.(in Chinese)
• [2]戴俊.柱状装药爆破的岩石压碎圈与裂隙圈计算[J].辽宁工程技术大学学报,2001,4(20):144-147.[2]DAI Jun.Calculation of rock crushing ring and fracture ring under blasting of cylindrical charge[J].Journal of Liaoning Engineering Technology University,2001,4(20):144-147.(in Chinese)
• [3]冷振东,卢文波,陈明,等.岩石钻孔爆破粉碎区计算模型的改进[J].爆炸与冲击,2015,1(11):101-107.[3]LENG Zhen-dong,LU Wen-bo,CHEN Ming,et al.Improvement of crushing zone calculation model rock drilling blasting[J].Journal of Vibration and Shock,2015,1(11):101-107.(in Chinese)
• [4]宗琦.岩石内爆炸应力波破裂区半径的计算[J].爆破,1994,11(2):15-17.[4]ZONG Qi.Calculation of radius of rock rupture zone under the explosion stress wave[J].Blasting,1994,11(2):15-17.(in Chinese)
• [5]徐颖,孟益平,沈兆武,等.断层带爆炸裂隙区范围及裂纹扩展长度的研究[J].岩土力学,2002,2(23):81-84.[5]XU Ying,MENG Yi-ping,SHENG Zhao-wu,et al.Study on range of cranny and length of fissure expansion in fault zone[J].Chinese Journal of Rock and Soil Mechanics,2002,2(23):81-84.(in Chinese)
• [6]SATAPATHY S.Dynamic spherical cavity expansion in brittle ceramics[J].International Journal of Solids and Structures,2001(38):5833-5845.
• [7]SHER E,ALEKSAND Rova N.Dynamics of microfailures in elastic zone during explosion of spherical charge in rock[J].Journal of Mining Sciences,2001(5):475-481.(in Chinese)
• [8]杨小林,孙博,褚怀保.爆生气体在煤体爆破过程中的作用分析[J].金属矿山,2011,11(425):65-68.[8]YANG Xiao-lin,SUN Bo,CHU Huai-bao.Analysis on effect of detonation gas in the process of coal blasting[J].Metal Mine,2011,11(425):65-68.(in Chinese)
• [9]郭东明,刘康,胡久羡,等.爆生气体对邻近硐室背爆侧预制裂纹影响机理[J].煤炭学报,2016,41(1):265-270.[9]GUO Dong-ming,LIU Kang,HU Jiu-xian,et al.Experimental study on the effect mechanism of the explosion gas on the precrack in the back-blasting of adjacent tunnel[J].Journal of China Coal Society,2016,41(1):265-270.(in Chinese)
• [10]王伟,王奇志,石露,等.爆炸荷载下I型微裂纹动态扩展研究[J].岩石力学与工程学报,2014,33(6):1194-1202.[10]WANG Wei,WANG Qi-zhi,SHI Lu,et al.Dynamic extension of mode i microcracks of rocks under blasting loading[J].Chinese Journal of Rock Mechanics and Engineering,2014,33(6):1194-1202.(in Chinese)
• [11]胡荣,朱哲明,胡哲源,等.爆炸动载荷下裂纹扩展规律的实验研究[J].岩石力学与工程学报,2013,32(7):1476-1481.[11]HU Rong,ZHU Zhe-ming,HU Zhe-yuan,et al.Experimental study of regularity of crack propagation under blasting dynamic loads[J].Chinese Journal of Rock Mechanics and Engineer-ing,2013,32(7):1476-1481.(in Chinese)
• [12]张至呈.定向断裂控制爆破[M].重庆:重庆出版社,2000:12-14.
• [13]A H哈努卡耶夫.矿岩爆破的物理过程[M].刘殿中,译.北京:冶金工业出版社,1980:33-37.
• [14]陈俊烨,张家生,李新平.大型地下厂房开挖爆破损伤影响范围及评价[J].振动与冲击,2015,34(23):54-61.[14]CHEN Jun-ye,ZHANG Jia-sheng,LI Xin-ping.Rock blasting-induced damage zone and its evaluation during excavation of a large-scale underground powerhouse[J].Journal of Vibration and Shock,2015,34(23):54-61.(in Chinese)
• [15]李心睿,徐清,谢红强,等.静动载耦合作用下裂隙岩石损伤本构及演化特征[J].岩石力学与工程学报,2015,34(1):3029-3036.[15]LI Xin-rui,XU Qing,XIE Hong-qiang,et al.Damage constitutive law and damage evolution characteristics for fractured rock under coupling action of static and dynamic load[J].Chinese Journal of Rock Mechanics and Engineering,2015,34(1):3029-3036.(in Chinese)
• [16]戴俊.岩石动力学特性与爆破理论[M].北京:冶金工业出版社,2002:148-156.