Characteristics of reaction spectra of explosion vibration velocity in blasting the dachaoshan mono - arch bridge 大朝山单跨拱桥爆破震动速度反应谱特征
Examples of portal frame , single - span two - storey frame , two - span six - storey frame are used to verify the validity of the method 用门式框架、单跨两层框架和两层六跨框架等算例进行了方法的可行性、收敛性验证。
The dynamic characteristics and the numerical simulation of the seismic performance of the model structure set a reference for the design of shaking table test 6 设计3层单跨钢框架模型结构的振动台试验，模型结构耗能体系的减振效果分析可为振动台试验提供参考依据。
To different constraint condition , examples of portal frame , single - span two - storey frame and two - span six - storey frame are used to verify the validity of the method 并对不同约束情况，用门式框架、单跨两层框架和两层六跨框架等算例进行了方法的可行性、收敛性验证。
Crack of column equal to improve rotating ability of end of beam . therefore , it improves ability of moment modulation of end of beam . 9 ) the secondary moment has important influence on crack load （ 9 ）次弯矩的存在对开裂荷载有较大的影响，在单层单跨框架中增加了梁端的开裂荷载，降低梁跨中的开裂荷载。
An fem model of rotor - bearing system was set up for a single - span - two - disc test rig to obtain such model parameters as the first and second order natural frequency and vibration mode vectors 摘要以某单跨双盘模型转子实验台为例，建立了该转子轴承系统有限元模型，得到转子系统前两阶固有频率和振型向量等模态参数。
Based on the current structure design codes , a one tenth scaled 2 bays , 3 - stories model of concrete filled steel tube ( cfst ) column frame structure is designed and manufactured , and tested on the shaking table 摘要基于现行结构设计规范，设计制作了一榀1 / 10比例的单跨、两开间八层钢管混凝土柱钢梁框架结构模型，对其进行了模拟地震振动台试验。
For the comprehensive cognition to the prestressed concrete frame , four monolayer and monospan frames is built , two of which are loaded only vertically and the other two are loaded vertically and horizontally at the same time 为了对预应力框架的受力性能有一个全面深刻的认识，重庆建筑大学又制作了四榀接近足尺的单层单跨预应力框架，并对其中两榀同时施加水平荷载和竖向荷载进行了试验研究。
Based on the shaking table test of 1 / 4 scale two - bay rc frame modes strengthened with and without cfrp ( carbon fiber - reinforced plastic ) , damaged and destroyed model strengthened with cfrp , the vibration properties and seismic response and destroying position of rc frame model with cfrp are analyzed 摘要通过对两个缩尺比为1 / 4的两层单跨钢筋混凝土框架结构模型的加固、未加固及其震坏后再加固的3次振动台对比试验，探讨了其动力特性、地震反应和损伤破坏情况。
