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。
For this reason, a new method of extrusion blasting is adopted after analyzing the structure of the bridge.
为此，经桥梁结构分析，决定采用挤压爆破的新技术。
By use of deep-hole millisecond blasting technique, four large-volume bridge piers under complicated circumstances were successfully demolished.
用深孔微差爆破技术成功地拆除了复杂环境下的四个大体积桥墩。
The technical problems encountered in demolition of the over-pass bridge at Zhonghua Avenue in the city of Qiqihar by blasting, and the solutions to them are detailed.
详细论述了齐齐哈尔市中华路立交桥爆破拆除施工中所遇到的各种技术问题及解决办法。
The influence of blasting vibration induced by the bridge pile foundation construction on adjacent buried pipelines can't be ignored.
桥梁桩基爆破施工对邻近埋地管道的振动影响不容忽视。
It is mainly applied to blasting operation of general mining, tunneling, road-building, bridge-construction and building water conservancy projects.
主要用于一般采矿、开凿隧道、筑路修桥、兴建水利等爆破作业。
The hydraulic blasting was adopted to safely demolish the bridge after analyzing the blasting programs and utilizing the structural characteristics of cored slab.
经拆除方案论证，利用桥板空心可以注水的结构特征，采用水压爆破法安全拆除。
The paper introduces the cutting blasting demolition of a railway bridge pier.
介绍了某铁路桥桥墩台帽的切割爆破拆除。
The underground structure vibration effects of long-span bridge caused by blasting vibration are important factors to affect the safety of bridge.
爆破震动引起的大跨度桥梁地下结构的振动效应是影响桥梁安全的重要因素。
Bridge structure is an important infrastructure facilities, while the most common suspension bridge as a structure to study its dynamic response under blasting vibration is necessary.
桥梁结构是我国重要的基础建设设施，而悬索桥作为一种最为常见的桥梁结构形式，研究其在爆破震动下的动力响应十分必要。
By a blasting method of combining long holes with short holes, 30 big reinforced concrete bridge piers of the old '8.1bridge in Nanchang were demolished.
通过深孔和浅孔爆破相结合的方法，拆除了南昌老八一大桥30个水中大型钢筋混凝土桥墩。
Its synchronous construction process includes milling and planing the concrete bridge surface to roughen, cleaning and blasting with special apparatus;
施工方法，采用专用设备对混 凝土桥面板表面浮浆进行铣刨、拉毛或凿毛、清扫、吹净处理；
Its synchronous construction process includes milling and planing the concrete bridge surface to roughen, cleaning and blasting with special apparatus;
施工方法，采用专用设备对混 凝土桥面板表面浮浆进行铣刨、拉毛或凿毛、清扫、吹净处理；
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