层间位移角
- 网络story drift;story drift ratio
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最后对多高层分离式结构进行了pushover分析,得到结构的目标位移、层间位移角等响应,并与刚接钢框架进行对比分析。
Separate structure has better seismic performance comparing with steel frame . Finally , Push-over analysis was carried out on separate structure , getting target displacement and story drift ratio response , comparing with steel frame .
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随后设计了不同偏心率的结构算例,并找出结构位移比、层间位移比、层间最大位移、层间平均位移、层间位移角、层间平面扭转角θ随楼层的变化规律。
Then designs several structural example of different eccentricity , and finds out the change law of structural displacement ratio , story drift ratio , story max displacement , story average displacement , inter-story displacement angle and interlayer plane torsion angle θ according to the floor .
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设定了最大层间位移角θmax为可中断剪力墙的条件。
The conditions that the most story drift angle of interruptable shear wall height are established .
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提出的板柱结构抗震弹塑性层间位移角简化计算方法,与pushover计算结果符合较好。
A simplified method for calculation of elastic-plastic inter-story drift ratio of slab-column structure is proposed , and it coincides well with the results by push-over method . 4 .
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当以整体破坏指标最大层间位移角表示结构反应时,基于Pushover分析,求出了各结构不同破坏状态下的量化指标限值。
When taking overall damage index of maximum drift represent structural response , based on Pushover analysis , the quantitative indexs under different damage states are found .
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根据多地震动记录IDA的非参数法,进行概率分别为50%、16%和84%IDA曲线分析,得到了框架结构弹塑性层间位移角限值。
The paper analyzes the IDA curve which the probability is under 50 % , 16 % and 84 % , and frame structural plastic story drift limit is obtained .
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本文阐述了基于Push-over分析的抗震评估方法,提出使用层间位移角以及结构在大震下的塑性铰转角来评估框架结构的抗震性能,给出了新的抗震性能评估的步骤。
Based on Push-over analysis , a new method of seismic evaluation for reinforced concrete frame structure is introduced . Story drift and plastic hinge corner are used to evaluate reinforced concrete structure .
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比较不同结构失效模式下的最大基底剪力和最大层间位移角,同时考虑模型在pushover分析中屈服的普通支撑数量,找出具有最优结构构造形式的巨型钢框架结构。
By comparing maximal story drift angle and base shear of every structure failure mode , taking into account of yield brace in pushover analysis , optimal structure form of huge steel frame structure can be found . 3 .
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计算结果显示,按本文方法所选波的层间位移角和损伤指数均明显高于El-centro波和Taft波的计算结果。
The result of computation shows that the selected waves damaged the structure severely than the El-centro wave and Taft wave . Storey drift and damage index were the two criteria to evaluate the severe level .
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钢筋混凝土抗震墙墙肢约束边缘构件基于弹塑性层间位移角的设计
Elastic-plastic Drift-based Design of Confined Boundary Elements of Shear Wall Piers
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论高层建筑结构层间位移角限值的控制
Discussion on Inter-story Displacement Angle of High-rise Building
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钢筋混凝土框架结构层间位移角与构件变形关系研究
Study on the relationship between story drift and element deformation for reinforced concrete frames
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然后最后对原型结构在各级烈度地震作用下的变形进行分析,具体研究了该结构的层间位移角分布、典型构件变形模式;
The inter-story drift distribution and deformation pattern of the representative elements are discussed in detail .
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所有试件在层间位移角超过极限位移角时,强度与刚度无显著退化。
Strength and stiffness degradation of all specimens are not notable when the interstory displacement exceeds ultimate displacement .
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罕遇地震下,部分配筋砌体框架结构能减小框架填充墙结构最大弹塑性层间位移角。
Rare occurred earthquake , Partial reinforced block masonry frame structure can reduce the maximum elastic-plastic displacement angle .
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结构的抗震变形验算是基于性能的结构抗震设计的一项重要内容,当前各国抗震设计规范多采用层间位移角作为结构变形的控制指标。
The seismic displacement checking of the structures is one of the important terms of the performance-based design .
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从框架整体反应的结果来看,最大顶点侧移、最大层间位移角随竖向荷载的增加没有太大变化;
From the response of the whole frame , the maximum lateral displacement and drift of frame keep constant .
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对比发现近场地震增大了结构对基底剪力、顶点位移和层间位移角的需求,并放大了结构的残余变形。
It is found that the requirement of base shear , top displacement and story drift is magnified under near-field earthquake .
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本文提出两种基于性能的抗震设计方法:①直接基于位移的耗能减震设计方法。性能目标用层间位移角表示。
This paper advances two performance-based design methods : ① Direct displacement-based seismic design method with performance target expressed by storey drift .
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采用受拉损伤因子d来描述结构的破坏,并利用层间位移角作为指标对各结构的抗震性能进行评估。
Damage parameter d , is taken to describe the failure and drift ratios are applied to evaluate the seismic performance of masonry .
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工程整体计算分析结果表明,结构的层间位移角满足规范要求,说明结构设计合理。
The results of structural analysis show that the inter-story displacement angle is rational , which indicates that the structural design is reasonable .
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层间位移角和柱抗剪最小截面尺寸成为一、二级框架越来越突出的两个控制因素;
The elastic inter-story displacement rotation and section size of anti-shear in the column in grade one and tow frame will become the prominent factors .
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该结构满足现行规范关于弹塑性层间位移角的限值,具有抵御7度罕遇地震作用的能力。
The structures can satisfy the specified value of elasto-plastic story drift in the current code and have seismic performance against 7th intensity rare earthquake .
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讨论其周期、层间位移角、基底剪力、内外筒结构内力的分配、剪力滞后效应的变化规律。
Discussing the variation of cycle , inter-story displacement angle , base shear , inner and outer barrel structure internal force distribution , shear lag effect .
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确立了短肢剪力墙性能水平、层间位移角、损伤指标之间的对应关系,对基于损伤性能的结构抗震设计有所帮助。
The relationship of performance level , inter-story displacement angle and damage index is established that could be useful to seismic design based on damage performance .
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本文以层间位移角作为结构性能参数,分析了钢筋混凝土框架结构层间变形能力,以及在水平地震作用下层间位移反应。
In this paper , interstory drift is selected as a seismic performance index to estimate the displacement capacity and seismic demands of reinforced concrete frames .
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在该方法中,结构的性能水平用层间位移角限值予以量化,以简化方法计算速度相关型阻尼器的等效阻尼比。
The performance level is quantified by the inter-story drift ratio , and the equivalent damping ratio is evaluated by the simplified method in the proposed procedure .
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定义层间位移角比为转换层下部与上部结构层间位移角的最大比值。
With the increasing of the mass and stiffness of transfer beam , the inter-story displacement angle ratio of above and below the transfer layer diverse largely .
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另外,在桁框结构中设置消能段后,结构基本周期加长,抗侧刚度降低,可能会导致不满足抗震规范对层间位移角的要求。
In addition , with the energy dissipation segment in the truss frame structure , the structure fundamental period lengthen , and the lateral stiffness is reduced .
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达到最大承载力时,大部分试件的钢管柱转角即层间位移角超过1/100;
The hysteresis loops are plump and the rotation angle of the column is larger than ( 1100 ) for most specimens when the maximum load is reached .