地震作用
- 网络earthquake action;seismism
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得出了H型张弦梁结构在不同地震作用下的内力和位移响应规律,以及在不同预应力和撑杆数目下结构的内力和位移响应变化规律。
Internal force and displacement response regularity of H-BSS at different earthquake action or different pre-stress and strut numbers were deduced .
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最后,应用该方法,对CFRP约束的底部框架砌体结构进行了罕遇地震作用下的时程分析。
Finally , a 7-floor hybrid masonry-concrete structures strengthened with CFRP excited by El-Centro earthquake is analyzed .
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笔者编写的Push一ove:分析通用程序能够反映结构在地震作用卜的行为,判断结构的薄弱部位等;(3)应将结构的Push一。
The Push-over analysis program made by the author can analyze the behavior of structure and judge structural weak place ;
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分析了竖向地震作用下巨-子型控制结构体系MSCSS(Megasubcontrolledstructuralsystem)的反应机理,提出了带附加柱的MSCSS。
The response mechanism of the mega_sub controlled structural system with additional columns subjected to vertical seismic action is studied in this paper .
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利用Lagrange方程,建立了斜拉管线桥体系在竖向地震作用下的运动微分方程。
Making use of Lagrange 's equations , the differential equations of motion of the cable - stayed pipe bridge system are established .
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分析表明,楼顶钢塔的地震作用与地面上的钢塔地震作用相比明显放大,而楼顶钢塔的又可看作一个TMD系统,对结构起到被动控制的作用。
And also , the steel towers atop buildings can be seen as a TMD system to control the structure passively .
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为了有效地预防在地震作用下进入塑性工作状态的结构可能出现的动力不安定塑性累加破坏,本文引入了动力安定(Dynamicshakedown)约束。
The first theorem of dynamic shakedown is employed as a part of the constraint in order to prevent potential accumulative collapes while a structure works plastic state during earthquake .
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应用任意拉格朗日&欧拉有限元方法分析大型U形渡槽结构中流体的大幅晃动问题;针对不同的水位,研究渡槽结构在谐波激励和地震作用下的振动反应。
Arbitrary Lagrangian-Eulerian method is used to study large sloshing of water in large scale U-shaped aqueduct , and to discuss the vibration responses of aqueduct structure with different water levels under sinusoidal loads and earthquake action .
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厂房在遭受地震作用时MR-TMD也有很好的控制效果。
MR-TMD also has great control effect when factory structure is suffering earthquake .
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结果表明:pushover方法是目前对结构进行在罕遇地震作用下弹塑性分析的有效方法;PΔ效应随着结构屈服和结构刚度退化的影响越来越明显。
The results indicate that Push-over method is an effective method to carry out elastic analysis of structure under the action of rare occurence of earthquake at present , P - Δ effect becomes more and more apprent with the degradation in structure yield and structure stiffness .
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试验结果分析表明:FPS摩擦摆隔震装置能够有效地延长上部建筑物的自振周期,减少地震作用对上部结构的影响,隔震效果明显,不失为一种有效的隔震装置。
The experiment 's results indicate that FPS is an effective isolated device which can length the natural period and reduce the earthquake effect on upper structure .
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通过pushover分析,研究了板厚、楼层数对预应力板-柱结构在不同地震作用水平下抗震性能的影响以及三种结构的抗震性能对比。
Through the pushover analysis , we have researched on the effect of the slab-thickness and floor-number on the aseismic performance of the prestressed slab-column structure under different aseismic action levels .
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罕遇地震作用下结构的抗震变形验算需要利用钢筋混凝土梁柱构件的三折线模型,国内外对该模型的主要参数Mc,My,α有不同的计算方法。
Tri-liner model of reinforced concrete beam and column is needed during the process of deformation calculation of RC structure under large earthquake . The Mc . , My , and α of the tri-linear model can be calculated with different method .
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以纤维模型模拟双向地震作用下混凝土柱的双轴弯曲,考查刚度偏心es、强度偏心ep和自振周期T等因素对结构扭转的影响。
Fiber model is used to calculate the interaction of biaxial bending deformation in reinforced concrete columns . The effect of the system parameters on inelastic torsional response is evaluated : stiffness eccentricity es , yield strength eccentricity ep and lateral period T.
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以K8型单层球面网壳为研究对象,得出了单层网壳在水平地震作用和竖向地震作用下的力学响应特性的一些重要结论。
Based on the results of K8 single layer spherical lattice shells , seismic responses of single layer lattice shells under vertical and horizontal earthquake excitations are obtained .
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对本文实例工程而言,箱型钢柱在地震作用下的最小截面尺寸不宜小于370×370×16×16mm。
For this example project , the minimum cross-sectional dimension of the steel columns under seismic action should not be less than370X370 × 16 × 16mm .
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针对地震作用下轻型墩墩顶位移控制设计问题,提出采用多重调谐质量阻尼器(MTMD)对其位移进行控制,以降低对轻型墩的延性要求。
Multiple tuned mass damper ( MTMD ) is proposed to be adopted in the design to control the light pier top displacement under seismic load so that light pier needs not to be very ductile .
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在《建筑抗震设计规范》(GB50011-2001)关于隔震结构的简化计算方法中,水平向减震系数的表达式和定义有些不符,假定的隔震结构地震作用分布规律也与实际情况略有出入。
In the " Code for seismic design of buildings ", the expression of the damping coefficient in horizontal direction is not agreeable to its definition and the specified distributive form of seismic action of base isolation buildings is incongruent with the practical situation .
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本文采用三维排水(考虑孔隙水压力扩散与消散)有效应力动力分析方法,研究了美国奥罗维尔(Oroville)土坝在7度地震作用下的动力反应。
Dynamic response of the Oroville Earth Dam in U. S. A. under an earthquake of intensity ⅶ is investigated by using 3-D analysis of effective stress considering the diffusion and dissipation of seismic pore water pressure .
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从试验现象分析和数据对比可以看出,HADAS阻尼器明显减小了结构的变形和框架柱剪力,有效增加结构的耗能能力,减小甚至避免主体结构在设防地震作用下引起的破坏和损伤。
The performance analysis and results comparison between MRF and HADAS-frame indicate that the structural deformation and column shear force are significantly reduced , and the energy dissipation capacity of the structure is increased so that the damage and injury of major structure can be decreased or even avoided .
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通过与自立式楼顶钢塔比较,分析其地震作用下的动力性能。
And analyze its dynamic behavior compared to the self-supporting method .
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强地震作用下铁路隧道衬砌耐震性的研究
An Investigation on Aseismic Behaviours of Railway Tunnel Lining During Earthquake
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地震作用下板柱结构等代框架法计算模型的研究
Study on the Calculation Model for Flat-plate Structures under Earthquake Action
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考虑组合楼板变形的高层钢结构地震作用分析
Seismic Analysis of Tall Steel Buildings Considering Deformation of Composite Slabs
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地震作用下大底盘结构的静力弹塑性分析
The Static Pushover Analysis of Big Chassis Structure under Severe Earthquakes
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改进的基础隔震结构地震作用简化计算方法
An improved simplified method for seismic action design of base-isolation buildings
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地震作用下新结构体系中阻尼器研究
Study on dampers in new structural system subjected to seismic loads
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因为对于结构物来说地震作用是一个随机过程。
As the structure for seismic action is a random process .
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原状饱和粘性土在地震作用下的剪切模量和阻尼比
Shear Modulus and Damping of Cohesive Soil Under Earthquake Loading Conditions
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浅海人工岛在地震作用下的填土有效质量
Effective mass of shallow-sea artificial island in case of seismic action