本文描述了自制的多火花式动态光弹性仅的原理和技术指标。
In this paper, the fundamentals and technical specifications of multiple spark type dynamic photoelastic instrument made by ourself are described.
本文用动态光弹性方法，分析冲击荷载作用下岩洞周边的动应力分布和动应力集中系数。
In the present paper the dynamic stress distribution and stress con-centration factor in the neighbourhood of caverns under impulse loadingare given by using dynamic photoelastic method.
用动态光弹性法和有限元法研究了带有圆孔的平面直杆在冲击载荷作用下动态应力集中的优化问题。
Minimizing the dynamic stress concentration around holes in strut subjected to impact loading was studied in the paper.
为考察其精度和稳定性，对受冲击载荷作用的简单分层平板同时进行了动态光弹性和动态焦散线实验。
Then, a simple layered plate under impact loading is studied experimentally using dynamic photoelasticity and dynamic caustics to investigate the models accuracy and stability.
本文仅涉及地震波传播及爆破方法选择两个课题，研究表明：在这类课题中，利用动态光弹性法有其优越性。
This paper only involves selection of detonating methods and propagation of earthquake waves. The study shows the superiority of using dynamic photoelasticity in the research area.
进行了光面护壁爆破和切缝护壁爆破技术的动态光弹性试验，获得了光面护壁爆破和切缝护壁爆破过程的等差条纹图。
The isochromatic fringes graphs of smooth blasting and cutting seam blasting of pipe protecting borehole wall were obtained upon dynamic photo-elasticity experiments on both kinds of blasting.
进行了光面护壁爆破和切缝护壁爆破技术的动态光弹性试验，获得了光面护壁爆破和切缝护壁爆破过程的等差条纹图。
Dynamic photo elasticity experiment is conducted, and the isochromatic fringes graphs in the process of smooth blasting of pipe protecting borehole wall is obtained.
进行了光面护壁爆破和切缝护壁爆破技术的动态光弹性试验，获得了光面护壁爆破和切缝护壁爆破过程的等差条纹图。
The shear stress on smooth blasting of pipe protecting borehole wall between free face and protecting face reaches as high as 3.
爆破与高速冲击载荷产生的应力波在弹性结构物中的传播，在理论分析上极为困难，但这类问题可以用动态光弹性法进行分析。
Stress wave propagating in elastic structures under impact or explosive loading is a very difficult problem analytically. But the problem could be analysed by dynamic photoelasticity.
本文分别运用动态云纹-光弹性和电阻应变量测方法研究了相邻两炮孔之间爆炸应变场。
The blasting strain fields between two adjacent boreholes initiated simultaneously were investigated with the dynamic moire-photoelasticity and strain gauges.
两个光散布（有弹性和动态）和扩散的影响，象直接取决于的那样表现一个阶段的特性的热力学的参数说明稳定，被详细考虑。
The effects of both light scattering (elastic and dynamic) and diffusion, as directly depending on the thermodynamic parameters characterizing the one-phase state stability, are considered in detail.
两个光散布（有弹性和动态）和扩散的影响，象直接取决于的那样表现一个阶段的特性的热力学的参数说明稳定，被详细考虑。
The effects of both light scattering (elastic and dynamic) and diffusion, as directly depending on the thermodynamic parameters characterizing the one-phase state stability, are considered in detail.
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