爆破拆除塌落振动速度计算公式的讨论DISCUSSION ON CALCULATION FORMULA OF COLLAPSING VIBRATION VELOCITY CAUSED BY BLASTING DEMOLITION
周家汉;
ZHOU Jia-han(Chinese Academy of Sciences,Institute of Mechanics,Beijing 100190,China)
摘要(Abstract)：
就如何设计计算高大烟囱或楼房爆破拆除时的塌落振动速度,作者回顾了以往所提出的塌落振动速度计算公式,并对公式及其中参数表述的物理意义与取值作了阐述,以澄清一些引用中对有关参数理解的差异。文中还列举了工程实例,说明公式的应用和公式中各参数的选择。实测数据表明,地面采取减振措施后塌落振动速度可以减小70%。
The author,regarding the method of predicting collapsing vibration velocity of high chimney or building during blasting demolition,reviewed the formulas for calculating the collapsing vibration velocity given in references and discussed the formula in terms of its physical significance and its parameter selection for clarifying the discrepancy quoted.The paper explained some applicable formulas and discussed the selection of parameters by taking some practical engineering instances for the calculation of collapsing vibration velocity,and with a statement supported by real time data measurement that the intensity of collapsing vibration velocity could be reduced by about 70% when vibration reduction method was adopted.
关键词(KeyWords)：
高大建筑物;爆破拆除;塌落振动;振动速度
Tall structure;Blasting demolition;Collapse vibration;Vibration velocity
基金项目(Foundation):
作者(Authors):
周家汉;
ZHOU Jia-han(Chinese Academy of Sciences,Institute of Mechanics,Beijing 100190,China)
参考文献(References)：
- (1)GUO Yue-liang,ZUO Yu-jun,WANG Di-an.Discussionon Collapse Vibration Caused by Demolition Blasting[A].New Development on Engineering Blasting APSBlasting 1[M],2007 Kunming China.Beijing:Metallur-gical Industry Press,2007.
- (2)周家汉,杨人光,庞维泰.建筑物拆除爆破塌落造成的地面振动[A].土岩爆破文集(第二辑)[C].北京:冶金工业出版社,1984,317-326.
- (3)周家汉,陈善良,杨业敏,戴铭荣.爆破拆除建筑物时振动安全距离的确定[A].工程爆破文集(第三辑)[C].北京:冶金工业出版社,1988,112-119.
- (4)周家汉,金保堂,陈善良.高烟囱拆除爆破及塌落振动测量与分析[A].工程爆破文集(第七辑)[C].乌鲁木齐:新疆青少年出版社,2001,707-712.
- (5)于亚伦.工程爆破理论与技术[M](全国工程爆破作业人员统一培训教材).北京:冶金工业出版社,2004,323-358.
- (6)曲广建,崔允武,吴岩,等.温州市93m结构不对称楼房拆除爆破[A].中国典型爆破工程与技术[M].北京:冶金工业出版社,2006.
- (7)蒋跃飞,张正忠,郭大胜,等.13层框剪结构楼房爆破拆除[J].工程爆破,2007,13(4):63-65.
- (8)朱朝祥,崔允武,高星,等.两座高120m钢筋混凝土烟囱的爆破拆除[J].工程爆破,2008,14(2):61-63.
- (9)吕淑然,杨军,刘国振.高大建筑物定向爆破地震振动效应监测与控制研究[J].爆破,2003,20(3):71-74.
- (10)亨利奇J.爆炸动力学及其应用[M].熊建国等译.北京:科学出版社,1987.