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blasting stress
相关语句
  爆炸应力
     Dynamic Photoelastic Experimental Study on the Blasting Stress Wave Propagating Over Plane Interface
     爆炸应力波在平界面上传播的动态光弹性实验研究
短句来源
     STUDY OF BLASTING STRESS, SIZE AND MATCHED IMPEDANCE BETWEEN EXPLOSIVE AND ROCK
     炸药岩石阻抗匹配与爆炸应力、块度的试验研究
短句来源
     Analysis of Transmission Coefficient of Blasting Stress Wave Entering Structural Face of Certain Depth
     爆炸应力波入射一定厚度结构面时透射系数分析
短句来源
     Blasting stress wave in the Kelvin Rock Body
     粘弹性岩体中的爆炸应力
短句来源
     Dynamic caustics analysis of crack in samdwich materials under blasting stress wave
     爆炸应力波作用下层理介质断裂的动焦散实验分析
短句来源
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  爆破应力
     Rock Breaking Effect of Blasting Stress Wave at Moderate or Far Distance
     爆破应力波中远区破岩作用分析
短句来源
     As for numerical simulation, the paper has built its own model on the basis of ANSYS, calculating the models and showing the courses of the rock blasting process in which coupling charging and circular no coupling charging on the basis of LS-DANY 960, as is helpful to understand the crash status by blasting stress in cranny-rock body and to validate the theory.
     数值模拟方面,为客观再现爆破应力扩展全过程,深入认识爆破动载作用下裂隙岩体的破碎情况,验证理论分析,利用大型有限元计算软件——ANSYS 7.0建立了数学模型,并用LS-DANY 960软件对耦合装药和环形不耦合装药台阶爆破作用过程进行了数值模拟,对不同装药条件下模拟的爆破破碎范围进行了比较。
短句来源
     Optimum hole pattern and optimum detonation parameters are obtained by blasting model demonstration, blasting stress testing and blasting effect observation in the blasting operation.
     通过爆破模型试验,测试爆破应力、观察分析爆破效果,探求最佳布孔形式,选择最优爆破孔网参数.
短句来源
     Present Situation of Research on Propagation of Blasting Stress Wave and Rock Fragmentation Effect in Remote Area
     爆破应力波的传播及其远区破坏效应研究现状述评
短句来源
     Experimental Study on Distribution Character of Blasting Stress When Boreholes with Water-Couple Charge
     炮孔水耦合装药爆破应力分布特性试验研究
短句来源
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  “blasting stress”译为未确定词的双语例句
     Measurementof Blasting Stress wave on Cement Mortar Model
     水泥砂浆模型的应力波测试
短句来源
     Effect of Blasting Stress Waves on Underground Structure
     爆破地震波对地下结构物的影响仿真研究
短句来源
     Problem in Blasting Stress Waves Propagation Processing
     爆炸过程中有关应力波传播问题探讨
短句来源
     A DYNAMIC MOIRE-PHOTOELASTIC STUDY OF BLASTING STRESS FIELDS
     爆炸应力场的动态云纹-光弹分析
短句来源
     The thesis focuses on introducing the influence of blasting stress wave and blasting gas on broken rock and analysing the relationship between the character of rock mechanics and possibilities of blasting .
     本文介绍了爆破产生的应力波、爆生气体对岩石爆破破岩的影响,分析了岩石力学性质与可爆性之间的关系。
短句来源
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A dynamic test mixed the moire method with the photoelastic method was first successfully completed under the conditions of explosion by the authors. The moire-photoelastic. fringe patterns associated with stress waves in photoelastic materials loaded explosively were recorded with a multiple sparks dynamic photoelastic apparatus. The blasting stress fields was ana-ysed according to the moire-photoelastic fringe patterns. The laws of the distribution of radial stress, tangential stress, radial...

A dynamic test mixed the moire method with the photoelastic method was first successfully completed under the conditions of explosion by the authors. The moire-photoelastic. fringe patterns associated with stress waves in photoelastic materials loaded explosively were recorded with a multiple sparks dynamic photoelastic apparatus. The blasting stress fields was ana-ysed according to the moire-photoelastic fringe patterns. The laws of the distribution of radial stress, tangential stress, radial strain, tangential strain and radial displacement along the radial distance were gotten. This research supplies a new experimental technique for studing the laws of the propagation and attenuation of blasting stress waves quantitatively and provides bases for theoretical analyses.

作者首次成功地完成了爆炸加载的动态云纹-光弹混合试验,并借助于国产多火花式动态光弹性仪获得了一次爆炸加载下双折射材料中与应力波相应的云纹条纹和光弹条纹。根据云纹-光弹条纹分析了炸药爆炸产生的应力场,获得了应力场各分量随径向距离分布的规律,为定量研究爆炸应力波传播和衰减规律开创了一项新的实验技术,提供了理论分析依据。

In this paper a trausient response of two-dimensional underground structuresto blasting stress waves is studied by using the integral equation method. The two-dimensional infinite space Green function is used in the intergral equation. Theequation is couverted into a system of algebric equations by discrete treatment.In the conversion procedure the singularities of the integral in equation are dis-cussed and calculated by using various ways including combination of two kindsof waves. According to the properties...

In this paper a trausient response of two-dimensional underground structuresto blasting stress waves is studied by using the integral equation method. The two-dimensional infinite space Green function is used in the intergral equation. Theequation is couverted into a system of algebric equations by discrete treatment.In the conversion procedure the singularities of the integral in equation are dis-cussed and calculated by using various ways including combination of two kindsof waves. According to the properties of wave propagation a "transition element"is proposed. The discrete integral equations which can be used to resolve theproblems of stress waves propagation in an infinite or half-infinite space witharbitrary form cavity are formulated. The results of calculation are comparedwith those of dynamic photoelastic experiment to verify the reliability of themethod.

本文用积分方程法进行了两维地下结构对爆炸应力波的瞬态响应分析。用两维全空间Green函数建立积分方程,用离散化方法化为一组线性代数方程求解,转换过程中对积分的奇性进行了分析,用双波联合计算等方法解决了奇性积分的计算,根据波传播的特性建立了“过渡元素”。最后给出了求解具有任意形状孔洞的无限、半无限空间中P波和SV波传播问题的离散化积分方程。文章还对计算结果和动力光弹性试验作了比较,以验证计算的正确性。

based on analysis of distribution of blasting stress field of slender cartridges and laboratory study of blasting effect of slender cartridges with 3D and 2D models, it is concluded that the axial impact stress is significantly greater than the confining impact stress. The conventional continuous charging structure can not make effective use of impact energy in fragmentation and casting of materials. However, for medium-length blast hole, the axial charging structure with air spacers...

based on analysis of distribution of blasting stress field of slender cartridges and laboratory study of blasting effect of slender cartridges with 3D and 2D models, it is concluded that the axial impact stress is significantly greater than the confining impact stress. The conventional continuous charging structure can not make effective use of impact energy in fragmentation and casting of materials. However, for medium-length blast hole, the axial charging structure with air spacers can make full use of axial impact energy of the cartridges and reduce

从理论研究和爆破实验得知,中深孔爆破以空气间隔装药结构代替连续装药结构,可提高爆破效率.

 
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