Research on seismic response of soil-rock mixture slope based on added mass 基于附加质量的土石混合体边坡地震响应研究
The influence of vertical seismic action on seismic dynamic failure of jointed rock mass should be considered comprehensively. 对岩体地震动力破坏问题的认识应充分考虑垂直向地震动的重要影响。
Based on the theory of linear-elastic fracture mechanics, the influence of vertical seismic action on seismic dynamic failure of jointed rock mass is discussed. 基于线弹性断裂力学理论分析了垂直向地震作用对节理岩体地震动力破坏的影响。
Discussion on seismic failure of rock mass in meizoseismal areas 极震区岩体地震动力破坏若干问题探讨
Seismic Control of the Building with Hybrid Mass Damper System 混合质量阻尼器(HMD)抗震控制研究
Study on Seismic Reduction Control of Shear Structures with Passive Tuned Mass Damper PTMD对剪切型结构的减震控制研究
Eccentric distance of a structure has great influence on aseismic performance of the structure. Detailed and analysis on seismic response of stiffness eccentric structure and mass eccentric structure is made. 结构的偏心距对结构的抗震性能有较大的影响,对刚度偏心结构和质量偏心结构的地震响应作了详细深入的分析。
Seismic response reduction for tall buildings by suspended mass pendulums 高层建筑利用悬吊质量摆的减震研究
Use of Seismic Transverse Waves for Testing the Rock Mass in a Prospecting Adit 探硐地震横波测试刍议
The single-wave theory is defined as cumulative effect of single blasting seismic wave, in same wave in rock mass, and the past state of wave affects the present state. 单波机理是指单一的爆破地震波的累积作用机理,即前一时刻爆破地震波对介质体的作用通过改变介质的物理、力学性质和状态参与后续爆破地震波对介质体的作用。
Computer simulation of micro-machining z-axis accelerometer with an electrostatic levitating seismic mass 微型静电悬浮Z向加速度计的计算机模拟
The calculating results indicate that the performance in seismic response reduction increases along with suspended mass addition, but increases slowly when the suspended mass exceeds 2/ 3 the whole structure mass. 计算结果表明,减震效果随悬挂质量的增加而增加,但当悬挂质量占结构总质量的2/3以上时,减震效果增加缓慢。
Based upon the principle of effective stress a method of 2& D dynamic analysis for the calculation of the seismic response of saturated soil mass is submitted in this paper. 本文根据有效应力原理提出了一个计算饱和土体地震反应的二维动力分析方法。
The seismometer is composed of a seismic mass, six cylinders and three sets of Michelson interferometer light path. 该检波器由一个质量块,六个顺变柱体,三组迈克耳孙干涉仪光路组成。
For the example case, the parametric computations and comparative studies are made to examine the effect of vertical component of ground motions, vertical seismic response of potential sliding mass, shaking-induced pore water pressure and other related factors on the sliding movement and earthquake-resistant behavior of embankments. 最后,结合算例并通过具体数值计算与分析探讨了竖向地震动分量、滑坡体竖向地震响应、振动孔隙水压力等各种因素对土石坝地震位移及抗震性能的影响。
The Research of the Influence of Jointless Tracks on the Seismic Performance of Mass Transit Viaducts 轨道交通无缝线路对高架桥抗震性能的影响
Inelastic seismic response of lumped mass MDOF systems based on energy concept 基于能量概念的剪切型多自由度体系弹塑性地震位移反应分析
The micromachining technology is suggested to fabricate the accelerometer. Based on the principle of electrostatic levitation, the seismic mass is levitated and feels the acceleration. 模拟中的Z向加速度计拟采用微机械加工技术在硅片上制作,利用静电悬浮原理平衡质量块,感应加速度并输出信号。
The Research of the Reasonable Seismic Design Parameters and Anti-seismic Measures of Mass Transit Viaducts 轨道交通高架桥合理抗震设计参数及抗震措施研究
The results indicate that the two models 'self-vibration frequency is approximately the same and that the seismic response with additional mass is larger than corresponding result with the fluid-structure coupling. 结果表明,两种模型的自振频率比较接近;附加质量模型的地震响应要大于流固耦合模型。
Three-dimension accelerometer, which is composed of a seismic mass, push-pull cylinders and Michelson interferometer with double light paths, has been designed. 应用单质量块推挽式顺变柱体和迈克尔逊干涉仪双光路检测进行三维加速度传感器设计;
Seismic response analysis of Chengdu clay soil mass 成都粘土场地土体的地震反应分析
The Scattering Analysis of Elastic Seismic Wave in Saturated Jointed Rock Mass 饱和节理岩体中地震波散射分析
Lateral sensitivity effect in conventional accelerometers is eliminated because the beams are located symmetrically to the middle of the seismic mass. 由于梁在质量块中心对称位置上,在结构上消除了加速度传感器的横向灵敏度效应。
Includes: theory results comparison between seismic isolation and no seismic isolation of sigle and multiple mass point. 包括单质点隔震与不隔震得了理论结果对比分析,多质点系隔震与不隔震的理论结果的对比。
Seismic behavior of multiple tuned mass dampers ( MTMD), which keep the stiffness and damping constant and have a uniform distribution of natural frequencies, is studied in the present paper. 研究了由许多刚度和阻尼保持常量且频率呈线性分布的TMD形成的MTMD的地震特性。
The Study of Interpretation Methods 3D Seismic and Its Application on Magmatic Intrusive Mass 岩浆岩侵入体三维地震解释方法及应用研究
Computational methods of seismic Q values for evaluation of rock mass quality 用于岩体质量评价的地震波Q值计算方法
Major impact on the seismic performance of the parameters, including conversion storey mass, rigidity upper and lower slab thickness of the transfer storey, which affect the seismic resistance behavior and modes of the structure are analyzed and evaluated. 对主要影响结构抗震性能的参数(转换层的质量、刚度、上下楼板厚度)进行分析和评价,研究了不同参数对结构空间振型以及地震作用下受力性能的影响。
Petroleum seismic data processing needs mass storage and computing, which has been an important application field of high performance computing. 石油地震资料处理需要海量存储和巨量计算,一直是高性能计算的重要应用领域。