Taking the demolition of a 17-story tower-building as an example, the paper analyzed blasting collapse of shear-wall structure and mechanical mechanism in impacting disaggregation.
以某17层剪力墙高层建筑的原地坍塌爆破拆除为例，分析了剪力墙结构爆破坍塌、冲击解体的受力机理。
Initiation is chosen so that during the blasting and collapse procedure, the bridge is subjected to as much stress as possible.
选择的起爆方法应使桥梁在爆破及坍塌的过程中，受到尽可能大的应力。
Structure reinforcement can improve the blast resistance of concrete component and reduce the risk of continuous collapse and blasting fragments of building caused by terrorist actions.
通过结构加固可提高钢筋混凝土构件的抗爆性能，减少由于爆炸恐怖活动造成的建筑物连续倒塌以及建筑物的爆炸碎片的危险性。
The directional collapse control-blasting of brick-concrete frame structure is introduced in the complicated environment.
介绍钢筋混凝土框架和砖混结构相结合的礼堂办公楼合一的准框架体在复杂环境下定向倒塌拆除爆破。
In the course of demolition of high building by blasting, the vibration caused by the collapse hitting is usually one of the prodominant factors to control the side effect of demolition blasting.
在高层建筑物爆破拆除中，塌落体触地冲击地面引起的震动往往成为拆除爆破负面效应控制的关键因素之一。
In this paper, by the means of theory and numerical simulation, the change of inner stress of high building during its collapse by blasting is calculated.
采用理论分析与数值计算的方法对高耸建筑物爆破拆除中建筑物倾倒过程中的内力进行了分析计算，得到了内力的演化规律。
In this paper, the instability criterion of blasting demolition in different collapse techniques of frame structure has been studied in the name of the blasting height of pillar.
本论文通过立柱爆破高度来对不同坍塌方式下的框架结构爆破拆除失稳判据进行研究。
On the basis of the determined height of blasting cut, check on the reliability of building collapse was made.
根据所确定的爆破缺口高度，对大楼倒塌的可靠性进行了校核。
Blasting induces damage and fragmentation of covering rock mass in subsea tunnel that serious situation might cause tunnel collapse and water burst.
爆破会对海底隧道覆盖岩体造成损伤和破坏，严重情况会引起隧道塌方和突水等事故。
But in the case of a tower building, since there is a supporting steel bar at the blasting cut, the height deducted from the common knowledge is hard to ensure directional collapse.
但对于钢筋混凝土等高耸建筑物，由于爆破切口处有钢筋支撑，如果还按此经验取值，则难以保证其定向倒塌。
We also found that attenuation of backlash and collapse vibration wave are more rapid than the backlash and blasting vibration wave for the low velocity trait of them.
爆破振动衰减较快，而后座和塌落振动因其低频特性衰减相对较慢。
The investigation showed that the bad rock and unreasonable drilling and blasting were the main inducing factor of stope collapse.
调查表明，岩性变差与凿岩爆破工艺不合理是采场跨塌的主要诱因。
The blasting technique could effectively reduce the maximum explosive charge of each blasting and made structure collapse one by one, thereby it reduced the collapse vibration.
该爆破技术能有效地减小拆除爆破时的最大单响药量，实现结构逐步塌落，从而减小塌落振动。
A simplified model for directional collapse of a construction is presented and a calculation formula on the minimum height of blasting cut is developed.
对建筑物的定向倾倒提出了简化模型，推导了最小炸高的计算公式。
The second chapter firstly summarizes the mechanism and the collapse forms of the blasting demolition;
第二章首先总结了拆除爆破的基本原理和坍塌形式；
During a 18-storeyed building was demolished by blasting method, the vibrations from blasting and building collapse were measured by use of a GDQJ-1A scale of seismic intensity.
在十八层楼房爆破拆除中，利用GDQJ - 1a地震强度计测定了爆破震动和塌落震动。
During a 18-storeyed building was demolished by blasting method, the vibrations from blasting and building collapse were measured by use of a GDQJ-1A scale of seismic intensity.
在十八层楼房爆破拆除中，利用GDQJ - 1a地震强度计测定了爆破震动和塌落震动。
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