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常规爆炸
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  “常规爆炸”译为未确定词的双语例句
     STUDY ON SPALLING RESISTANCE PERFORMANCE OF STEEL FIBER SHOTCRETE INDUCED BY CONVENTIONAL EXPLOSIONS
     钢纤维喷射混凝土支护抗常规爆炸震塌能力研究
短句来源
     Blast shock and vibration of underground structures with conventional weapon
     常规爆炸下地下结构的冲击震动环境
短句来源
     Dynamic interactive geophysical finite element model for underground structures was developed to precisely analyze underground structures subjected to blast shocks. The dynamic parameters for the vibration environment are described in the method.
     为准确得到结构的爆炸地冲击参数,建立了爆腔岩土介质地下结构动力相互作用有限元分析模型,对常规爆炸下地下结构的冲击震动环境进行了描述。
短句来源
  相似匹配句对
     Mechanism of producing sound wave of conventional warhead explosion
     常规弹头爆炸产生声波机理研究
短句来源
     BLAST CHAMBER
     爆炸容器
短句来源
     Blast shock and vibration of underground structures with conventional weapon
     常规爆炸下地下结构的冲击震动环境
短句来源
     Hydrothermal Eruption
     水热爆炸
短句来源
     The Conventional Island
     常规
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Dynamic interactive geophysical finite element model for underground structures was developed to precisely analyze underground structures subjected to blast shocks.The dynamic parameters for the vibration environment are described in the method.The finite element model includes wave reflections,diffraction,and transmission when the shock wave encounters the structure.The analytical results show that the 200% error in classical methods is reduced to 20% with this method.The method can be used to analyze isolation...

Dynamic interactive geophysical finite element model for underground structures was developed to precisely analyze underground structures subjected to blast shocks.The dynamic parameters for the vibration environment are described in the method.The finite element model includes wave reflections,diffraction,and transmission when the shock wave encounters the structure.The analytical results show that the 200% error in classical methods is reduced to 20% with this method.The method can be used to analyze isolation problems of underground structures subjected to blast loads.

为准确得到结构的爆炸地冲击参数,建立了爆腔岩土介质地下结构动力相互作用有限元分析模型,对常规爆炸下地下结构的冲击震动环境进行了描述。该模型将爆炸波在岩土中的自由场传播与遇到结构后产生的波反射、绕射、透射等现象相结合考虑。与传统方法相比,该计算模型的精度大幅度提高,结果误差由目前常用方法的200%左右减小到20%以下,对研究地下结构在冲击荷载下的隔震问题有重要意义。

In this paper,the dynamic analysis software LS_DYNA3D was used in process of numerical simulation.The process of spalling under the attack by conventional explosions was simulated for the tunnel with the same rock condition and span in condition of supporting with and without SFRC respectively.In order to illuminate the resistance performance of SFRC attacked by conventional explosion quantitatively,the velocities of rockfalls from the top of tunnel supported by SFRC were compared with that of the tunnel supported...

In this paper,the dynamic analysis software LS_DYNA3D was used in process of numerical simulation.The process of spalling under the attack by conventional explosions was simulated for the tunnel with the same rock condition and span in condition of supporting with and without SFRC respectively.In order to illuminate the resistance performance of SFRC attacked by conventional explosion quantitatively,the velocities of rockfalls from the top of tunnel supported by SFRC were compared with that of the tunnel supported by other materials and that of the tunnel without support.

数值模拟过程运用动力分析软件LS_DYNA3D,采用任意拉各朗日-欧拉算法,分别对相同岩石条件、相同跨度的坑道,在钢纤维喷射混凝土支护和无支护条件下抗常规爆炸的震塌过程进行了三维数值模拟,并将数值模拟结果与规范中其它支护类型在相同条件下的震塌落石速度进行对比。通过震塌剥落层速度的对比,量化说明了钢纤维喷射混凝土支护抗爆炸震塌的能力。

WC/Cu powder is fabricated in a planet ball milling and the WC particle reinforced Cu-matrix composite is formed through explosive compaction of above WC/Cu powder in a directacting explosive composive device.Experimental results show that the dispersion-strengthening occurs in the composite during the explosive compaction.The composite is tough and rigid with a density up to 95%~97%.It can be confirmed that WC/Cu powder can be compacted to form particle reinforced composite by means of common explosive compaction...

WC/Cu powder is fabricated in a planet ball milling and the WC particle reinforced Cu-matrix composite is formed through explosive compaction of above WC/Cu powder in a directacting explosive composive device.Experimental results show that the dispersion-strengthening occurs in the composite during the explosive compaction.The composite is tough and rigid with a density up to 95%~97%.It can be confirmed that WC/Cu powder can be compacted to form particle reinforced composite by means of common explosive compaction method.

采用行星式球磨机球磨WC/Cu粉,并在直接粉末爆炸压制成型的装置中进行爆炸压实,制成WC增强Cu基复合材料。试验结果表明,常规的爆炸粉末压实起到了弥散强化作用,致密度为95%~97%,材料具有一定韧性,并且硬度有较大的提高,达到了WC颗粒增强的作用。可以认为能够通过爆炸压实的方法用WC/Cu粉末制取电极复合材料。

 
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