structure earthquake造句
例句与造句
- under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special-shaped columns ", " the frame-truss structure with special-shaped columns " and " frame-shear wall structure with special-shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter . analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force " . results indicate : ( 1 ) based on equal area, the special-shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis-compress ratio is smaller than 0.08 . the whole aseismic performance of structure has improved; ( 2 ) when the section's length and section's thickness ratio of special-shaped columns is smaller than 3.6, the structure benefits to resist seismic action; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design; ( 4 ) the frame-truss structure with special-shaped columns and the " a "-brace has the biggest lateral rigidity; ( 5 ) the frame-shear wall structure with special-shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special-shaped columns structure system, should reduce possibly the building's self-weight in order to reduce the earthquake response; ( 7 ) the response spectrum method of computing seismic response and the time-history analysis method have similar analysis result
西安理工大学硕士学位论文在水平地震作用下,并考虑风荷载组合,分别对“矩形柱纯框架结构”、“异型柱纯框架结构”、“异型柱框一析架结构”及“异型柱框-剪结构”等四种结构体系,通过改变结构参数,运用空间有限元方法,进行地震作用计算。系统地分析研究“结构振型”、“振动周期”、“结构侧向刚度”、“结构地震反应力”、“楼层地震剪力”、“结构侧向位移”、“层间位移角”,以及“构件内力”。结果表明:在等面积原则下,异型柱代换矩形柱后,结构刚度增大,侧向位移明显减小,地震反应力略有增加,框架柱轴压比最大增幅小于8%,结构整体抗震性能有所提高;当异型柱肢长肢厚比小于等于3.6时,结构有利于抗震;水平地震作用力与整体坐标夹角为0度时,结构地震作用效应较大,属结构设计的控制因素之一;异型柱框一析架结构采用“人”字斜撑,侧向刚度大于“八”字斜撑和“人一八”字混合斜撑;异型柱框一剪结构侧向刚度大、位移小,构件内力增大适中,是一种抗震性能优越的结构体系:在抗震设防烈度较高地区(8度)和抗震不利的建筑场地(m类场地),采用异型柱结构体系时,应尽可能减轻结构自重,降低地震作用力;分别采用“振型分解反应谱”法和“时程分析”法进行地震作用计算,两种方法所得结果基本一致。 - 3 . combined with practical engineering, the behavior discriminations between nonlinear and linear viscous dampers are compared and the effect of velocity exponent on earthquake-reduction effictiveness is studied . it's concluded that nonlinear viscous damper is better for structure earthquake-reduction
3、结合实际工程,比较了非线性与线性粘滞阻尼器的性能差别及其速度指数对减震效果的影响;结果表明,采用非线性粘滞阻尼器进行结构消能减震控制更为有效。 - shallow structure earthquakes are always concurrent with fault activities . evidence testifies that earthquakes often occurred densely near the place where the faults exist . there is an intimate relationship between earthquakes and active faults . so in analyzing the danger coefficient of earthquakes, it is very important to ascertain the locations and scale of earthquakes that will occur possibly in the future
浅源地震总是伴随断裂活动而发生的,已有资料证实地震确实是在已有断裂面附近密集发生,地震与地表现有的活动断裂带有密切的关系。为进行地震危险性分析,确定未来可能发生地震的地段和强度是极为重要的。 - trough comparing the analysis results of two kinds of calculation model, drawing the following conclusion : ( 1 ) this structure-design satisfies the standard; ( 2 ) in analyzing the complicated high-rise building with transfer-floor, it is very necessary to adopt at least two three-dimension-space analysis procedures with different mechanic model and use the response-spectrum analysis and time-history analysis to analyze the structure earthquake response; ( 3 ) the calculation model with elastic slab is better than the other with being infinitely rigid in the internal slab and zero in the external slab, which reflects the real load-function situation of the structure
通过比较两种分析软件的计算结果,得出以下结论:(1)本结构设计满足规范要求。(2)比较satwe和sap2000分析结果可知,对于复杂的带转换层的超高层建筑结构应采用至少两个不同力学模型的三维空间分析软件进行整体计算以及采用振型分解反应谱法和时程分析法进行地震反应分析是必要的。(3)在sap2000分析中,将楼板模拟成弹性板,与satwe分析中的楼板平面内无限刚平面外刚度为零的模拟方式相比,这种模拟方式能更真实的反应结构的实际受力情况。 - the analysis of the structure dynamic characteristic and earthquake response is the very effective means of deeply learning the structure earthquake response performance and dynamic response property, especially in the high-rise building with being sensitive to dynamic loading . so, assuring the structure dynamic characteristic and earthquake response supplies the important basis for the structure design and the assessment of structure performance
结构动力特性和地震反应的分析对于深入了解结构的抗震性能、反应结构性能是非常有效的手段,特别是对于动态作用比较敏感的超高层建筑,确定其动力特性和地震反应,对结构的设计和结构性能的评估提供了重要依据。 - It's difficult to find structure earthquake in a sentence. 用structure earthquake造句挺难的
- this dissertation introduces the latest test and the research findings of the frame structure utilized in the central workshop of firepower power plan by engineering design . this paper introduces the seismic analysis method of vertical frame, horizontal framed bent plate structure and space structure seismic analysis in framed bent structure system . this paper analyzes and researches the design plan of the framed bent structure in the central workshop of fangsheng power plant, selects the most safety, economic and proper structure form according to the result of the analysis and research, mainly analyzes the vibration mode of framed bent structure, period and the structure earthquake response by computer program calculating
本文通过方盛电厂主厂房工程的设计,对火力电厂主厂房框排架结构最新的试验及研究成果进行了介绍;对框排架结构体系中纵向框架抗震分析方法、横向框排架平面结构及空间结构抗震分析方法进行了介绍;对方盛电厂主厂房框排架结构体系设计方案进行分析探讨,并根据分析研究的结果,选择最安全、经济、适用的结构形式;通过计算机程序计算,着重分析框排架结构的振型、周期及结构的地震反应。