The natural vibration of the structure is tested,and the impact of the passing vehicles is analyzed under dynamical loads.
动载试验中,测试了该桥的自振特性,并进行行车激振试验,分析桥跨结构在行车时的冲击作用。
Especially,mechanical features of converge trough under impact of debris flow is the key technique in the High-speed drainage structure application.
汇流槽在泥石流冲击作用下的受荷性能是速流结构应用的关键技术之一,本文建立了汇流槽板质量-阻尼-弹簧动力学模型,据此运用结构动力学方法构建了汇流槽板的挠曲线方程和动力学方程,为汇流槽板结构强度设计及变位控制设计提供了依据,其成果于平川泥石流防治工程中得到成功应用。
The natural vibration of the structure is tested, and the impact of the passing vehicles is analyzed.
在动载试验中,测试桥跨结构的自振特性,并进行了行车激振试验,分析桥跨结构在行车下的冲击作用。
Dynamic load analysis of the drill collar during jarring operations by the FEM
震击作用时钻铤上动载荷的有限元分析
fishingcoring jar
打捞和取心用震击器
Such a block would have shaken the wall of a fortress, but it made no impression on the monster.
这一击也许能震撼城堡的围墙，但落到那蛇身上，却没有什么作用。
The plastic pipe of ageing is in shake action of hammer of concussion, water hydraulicly to issue easy generation blowout.
老化的塑料管在水压的震动冲击、水锤作用下轻易产生爆裂。
Numerical Simulation of Double Layer Vibration Isolation Systems with MRD Subjected to Ground Shock
地冲击荷载作用下双层结构磁流变阻尼器隔震效果的数值模拟
By using this jar together with Model YJQ jar accelerator, more remarkable effect can be obtained.
这种震击器与YJQ型震击加速器一同使用，可获得更显著的效果。
Improvement and Application of Hydraulic Jar for High Pressure and Super Deep Wells
高压、超深井液压震击器的改进及应用
Seismic Control for Serially Connected Isolated Structures Subject to Two-directional Horizontal Earthquake
双向水平地震作用下串联隔震结构的减震控制
Analyses of Mitigation Effects of Isolated Structures to Different Ground Motions
不同地震动作用下隔震结构减震影响分析
Analysis on Dynamic Stability of Isolated Bridges By Earthquake
地震作用下隔震桥梁的动力稳定分析
Earthquake Action Determination for Seismic Assessment of Existing Structures
现役结构抗震评估地震作用确定方法
The Earthquake Response and Earthquake Action Calculation of the Base-isolation Structures and the "Adding Story and Seismic Decrease" Structures;
基础隔震和加层减震结构地震响应分析与地震作用取值
Reasonable shaking and thumping. Can produce the massage effect concentrated even more.
合理的频震,捶击动作.能发挥更集中的按摩效果.
Preventing Coal Bump by Appling Microseismic Locating Monitoring Technology in Longwall Face;
微地震定位监测在采场冲击地压防治中的应用
Technology of Micro-seismic Monitoring for Rock-burst Forecast and Engineering Application
冲击矿压的微震预测预报技术及工程应用
A similar board used as a percussion instrument.
敲击板用作打击乐器的一种类似的板
the use of electric shock as a form of punishment.
用电击作为惩罚的形式。
reactance blade
反作用叶片，反击式叶片