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.
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。
Mechanical impact dynamics is used to analyse the production and spread of stress wave when hydraulic pile hammer hammerblows piles, the stress wave influence the course of driving pile.
本文应用冲击机械系统动力学分析打桩过程中锤体与桩撞击时应力波的产生、传播以及该波对沉桩过程的影响。
The transformation of basal body with laser melted clad coating was studied according to the transmission of elastic stress wave which on a laser coating under repeated impact load.
根据多冲载荷下激光涂层应力波的传播过程研究了涂层全覆盖基体试样在受冲击载荷下的变形情况。
This paper analyzes the stress wave of hoisting steel rope caused by impact and The position and size of maximum impact load have been found in theory.
分析了由于冲击而引起的钢丝绳的应力波动,并从理论上找到了发生最大冲击负荷的部位及大小。
When impact compression test is exerted, the pulse shaper has been used to regulate the incidence wave, so that the stress gradient will not be significantly high and the results is acceptable.
在进行冲击压缩实验时采用波形整形器调整入射脉冲,从而使得试件内的应力梯度不致过大,取得了较好的效果。
To study the dynamic response properties of brittle rock under strong impact loading, the stress wave curves were measured using the planar impact technique.
研究脆性岩石在强冲击载荷下的力学响应持性.采用一级轻气炮驱动的飞片撞击实验技术,测量大理岩试件组成的靶板中的应力脉冲波形;
In this paper the stress wave propagation in a polycarbonate beam under impact loading is studied.
本文就集中冲击力作用下的聚碳酸酯简支梁模型,研究了梁内的应力波传播问题。
Stress. wave propagation in stepped shafts under impact by dynamic photoelasticity was studied.
本文用动光弹方法研究了受冲击载荷的阶梯轴中的应力波的传播。
On the basis of detecting impact load, studies are carried on regulation of stress wave propagation in one-dimensional rock mass by experimental and numerical simulation.
在测定撞击载荷形式的基础上,通过试验研究应力波在一维节理岩体中的传播规律。
Then, the propagation of one-dimensional strain wave caused by the plate impact is investigated, and the attenuation of stress wave is evaluated.
然后研究了在平板撞击下的一维应变波的传播和衰减特性。
In this paer, by the use of the method of characteristic line of stress wave, a prediction analysis for the sacond impact of an elastic bar impacting on a rigid block is given.
本文采用应力波特征线方法详细分析了刚体撞块撞击固支的弹性长杆的撞击过程。
A percussion device (7) gives impact pulses to a waveguide (21), where a compression stress wave and a reflected tensile stress wave are generated, which propagate in the waveguide.
冲击设备(7)向波导(21)提供撞击脉冲,在波导中产生压缩应力波和反射的拉伸应力波,应力波在波导中传播。
According to principle of impact dynamics, the speeds of stress wave inside green sand in laborat…
依据冲击动力学原理获得了试验条件下的型砂内部冲击应力波的波速,并分析了相关影响因素。
The other nondestructive testing methods are not suitable to measure the thickness of concrete structures with one surface on which stress wave is generated by impact.
对只存在单一测试面的混凝土结构,用其它无损检测方法测试其厚度难以奏效。
The traditional non-destructive method of pipe piles and concrete plates is impact-echo technique based on one-dimensional stress wave theory, and it can detect the big defects.
对管桩和混凝土板的传统无损检测方法则是基于一维波动理论的冲击回波方法,这种方法只能检测比较大的缺陷。
The traditional non-destructive method of pipe piles and concrete plates is impact-echo technique based on one-dimensional stress wave theory, and it can detect the big defects.
对管桩和混凝土板的传统无损检测方法则是基于一维波动理论的冲击回波方法,这种方法只能检测比较大的缺陷。
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