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1)  excavation of pile by blasting
爆破掘桩
2)  driving blasting
掘进爆破
1.
Based on the vibration model building of tunnel driving blasting,the surface vibration of Renhechang Tunnel resulted from driving blasting was simulated by using FEM.
在建立隧道掘进爆破的震动模型的基础上,采用有限元方法对人和场隧道掘进爆破引起的地表震动进行数值模拟,并将数值计算结果与现场监测结果进行比较分析。
2.
As a main construction method, the technique of driving blasting for tunnel is widely used in shallow tunnel engineering.
在浅埋隧道工程中,作为一种主要施工方法的隧道掘进爆破技术,其爆破方案和爆破参数的选取,不仅直接影响到爆破质量、隧道施工效率和工程经济效益,而且还影响到隧道围岩的稳定、隧道支护的效果以及周围建筑物、构筑物的安全。
3)  ditching blasting
掘沟爆破
1.
In the ditching blasting of open air mining in Huangmailing Phosphorus Mine, using large diameter and deep hole cutting and multi row millisecond extruding blasting, applying the mechanism of cutting method, a double wall slot is formed by blasting only once.
在黄麦岭磷矿露天开采的掘沟爆破中 ,根据掏槽法的机理 ,使用大孔径深孔掏槽 ,采用多排微差挤压爆破 ,一次形成开采所需的双壁沟 ,提高了掘沟效率 ,扩大了掏槽法的应用范
4)  development blasting
爆破掘进
1.
The safety appraisal method of safety engineering was applied to appraising the serious injury possibility of development blasting operation in rock stratum in underground coal mine.
 将安全工程学的安全评价方法,应用到煤矿井下车场岩巷爆破掘进施工中,通过对施工过程严重伤害潜势和控制水平的打分评估,分析该项作业的严重伤害可能性,并提出改进生产安全的技术措施和管理措施,以指导岩巷掘进爆破的施工安全。
5)  excavation blasting
掘进爆破
1.
The safe seismic criterion and technique rules on excavation blasting were proposed by measureing the seismic waves in the excavation blasting of Yuanliangshan karst tunnel and Fenghuoshan frozen earth tunnel.
基于岩石在爆炸应力波和爆生气体作用下的损伤断裂机理,对隧道掘进爆破对围岩的损伤与危害作用、爆破地震效应和安全判据标准进行了理论和实验研究。
2.
Combined with storage station project,the FFT and wavelet theory are used to analyze the character of tunnel excavation blasting vibration: with the increase of charge,main frequency decreases and energy centralizes in lower frequency belt.
结合某蓄能电站工程,分别应用快速傅立叶变换和小波包理论分析了隧道掘进爆破振动的特点,它的能量和频率特性表现出随着装药量的增加,主震频率降低,能量也相对的集中在较低的频段上的特点。
6)  Pile blasting
孔桩爆破
补充资料:穿掘
1.挖掘;开凿。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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