爆破振动对地质遗迹影响的数值模拟分析  

Numerical simulation on geological heritage influenced by blasting vibration

作　　者：马文瀚[1,2] 方先知[1,3] 戴塔根[1] 陈平[2] 

机构地区：[1]中南大学地学与环境工程学院,湖南长沙410083 [2]湖南省地质环境监测总站,湖南长沙410007 [3]湖南省国土资源厅,湖南长沙410004

出　　处：《湖南科技大学学报（自然科学版）》2009年第4期26-30,共5页Journal of Hunan University of Science And Technology：Natural Science Edition

基　　金：湖南省国土资源厅资助项目[湘国土资函(2009)57]

摘　　要：根据对奇梁洞洞穴实地测绘,选取典型断面进行分析,应用有限元程序FLAC3D分析爆破振动对奇梁洞地质遗迹可能产生的影响.模拟计算静力作用和动力爆破振动速度,按照古迹振动标准0.2～0.4cm/s,推算安全爆破控制总炸药量557.6kg,确保奇梁洞地质遗迹的安全.图6,表3,参16.Based on the survey on the spot and selection of typical section, FLAC3D software was applicated to analysis the influence degree of blasting vibration to geological heritage which possibly produces to the Qi-liang cave. Using finite-element procedure FLAC3D, blasting vibration velocity was studied by means of numerical simulation under static situation and dynamic conditions. The total blasting explosive charge was calculated precisely on the basis of calculation results obtained from simulation. Finally, the suggestion was given to protect geological heritage on condition that the explosive charge is controlled normally according to the standard. 6figs., 3tabs., 16refs.

关 键 词：数值模拟 FLAC3D 爆破振动 地质遗迹 影响程度 奇梁洞 

分 类 号：P642.3[天文地球—工程地质学]