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中心支撑框架
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  concentrically braced frames
     Eccentrically braced frames (EBFs) combines the strength and stiffness of concentrically braced frames (CBFs) with the inelastic behavior and energy dissipation of moment-resisting frames, especially inelastic deformation of link absorbs seismic energy.
     偏心支撑框架结合了中心支撑框架的强度、刚度高和普通抗弯框架的延性、耗能性能好的优点,通过耗能梁段的非弹性变形耗散大量输入结构的地震能量。
短句来源
     Concentrically braced frames can provide high elastic stiffness and are widely used.
     中心支撑框架具有很大的弹性刚度,在实际中应用广泛。
短句来源
     Eccentrically braced frames is a new kind lateral-loads-resisting system,the system combine the advantages of both moment-resisting frames and concentrically braced frames, which can meet the requirements of strength, stiffness and energy dissipation capacity of the structure.
     偏心支撑框架是满足抗震要求发展起来的一种新型抗侧力体系,该体系较好地结合了抗弯框架和中心支撑框架的长处,能同时满足结构的强度、刚度和能量耗散的要求。
短句来源
     On the contrary, the design of Special Concentrically Braced Frames (SCBF) is saving and reasonable.
     与此相反,特殊中心支撑框架的设计方法却是更经济、合理的。
短句来源
  “中心支撑框架”译为未确定词的双语例句
     Based on the questions that elaborated, two l:2-scale steel frame specimens are tested in this paper-EBFs and CBFs.
     针对上述问题,本文完成了两榀1:2钢框架模型试验——中心支撑框架和偏心支撑框架。
短句来源
     Nonlinear analysis are conducted on CBFs and EBFs with numerical technology in this paper, discussed stress of frame under varial loading conditions.
     本文还通过数值模拟对中心支撑框架和偏心支撑框架进行非线性分析,讨论各个受力阶段框架的应力分布情况,完善试验研究。
短句来源
     In this paper, the main categories of braced frame were introduced at first, the shapes and characters of centrically braced steel frame(CBSF) and eccentrically braced steel frame(EBSF) were described.
     本文首先简单介绍了支撑钢框架结构的主要分类,描述了中心支撑框架和偏心支撑框架的形式和特征。
短句来源
     Because the concentrically braced frame can offer older resisting stiffness to structure, widely used in the seismic area.
     由于中心支撑框架体系能为结构提供较大的抗侧刚度,在地震区得到了广泛的应用。
短句来源
     In order to improve the buckling performance of brace, make in earthquake occurrence, no buckling of brace will take place, as to traditional concentrically braced frame put forward a new system can avoid brace buckling, called buckling restrained braced frame.
     为了改善支撑的屈曲性能,使得在地震作用时,支撑不发生侧向屈曲,相对于传统中心支撑框架提出了一种新的可以避免支撑屈曲的体系,称为防屈曲支撑框架。
短句来源
更多       
  相似匹配句对
     Structural Influencing Coefficient of Concentrically X-braced Steel Frame
     X型中心支撑框架的结构影响系数
短句来源
     The Framework and Appllication of Decision Support Centre
     决策支持中心框架和应用
短句来源
     THE DESIGN AND CALCULATION OF ECCENTRICALLY BRACED FRAMES
     偏心支撑框架的设计计算方法
短句来源
     Where T(R) is the hypercenter of R; Z(R) is the center of R.
     Z(R)是R的中心
短句来源
     A Framework Providing Support for QoS Adaptation
     自适应的网络服务质量支撑框架
短句来源
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  concentrically braced frames
Application of low yield strength steel on controlled plastification ductile concentrically braced frames.
      
As such, a review of the overall seismic performance characteristics of concentrically braced frames designed to current standards is timely.
      
On the other hand, the value for concentrically braced frames underestimates displacements to a greater degree.
      
The focus of this paper is on the seismic response of three and six story concentrically braced frames utilizing buckling-restrained braces.
      
The hysteretic behavior of buckling inhibited braces and the seismic behavior of ductile concentrically braced frames are discussed into the detail.
      


In the first part,this paper analyses the elastic plastic behavior of active link, which is the key member of EBSF, and puts forward a kind of simplified model of yielding. Based on this, a new elastic plastic program for dynamic response analysis was made. With this new program, the inelastic dynamic response analysis of two typical structure examples were performed, and the anti seismic efficiency of EBSF and CBSF of examples were also compared in this paper. It is shown by result that the earthquake response...

In the first part,this paper analyses the elastic plastic behavior of active link, which is the key member of EBSF, and puts forward a kind of simplified model of yielding. Based on this, a new elastic plastic program for dynamic response analysis was made. With this new program, the inelastic dynamic response analysis of two typical structure examples were performed, and the anti seismic efficiency of EBSF and CBSF of examples were also compared in this paper. It is shown by result that the earthquake response of EBSF is lower than that of CBSF. [

本文首先分析了偏心支撑钢框架中的关键构件———耗能连梁的弹塑性性能 ,提出了一种简化的屈服模型 ,并在此基础上编制一种新型的弹塑性时程分析程序。利用所编制的程序对两个典型算例进行了弹塑性时程分析 ,并对算例中偏心支撑框架和中心支撑框架两种结构的地震响应进行了比较。其结果表明 ,偏心支撑框架结构的地震响应要明显小于中心支撑框架结构的地震响应。

An analysis method is presented for the determination of the elastoplastic behaviour of a new structural system, named knee bracing frame. Different from the moment-resisting and concentrically braced frames, the knee bracing frame combines excellent ductility and lateral stiffness by setting the diagonal brace to a knee element instead of beam-column joint. Through the flexural yielding of the knee element under a severe earthquake, the structure could dissipate most of the input energy. No damage...

An analysis method is presented for the determination of the elastoplastic behaviour of a new structural system, named knee bracing frame. Different from the moment-resisting and concentrically braced frames, the knee bracing frame combines excellent ductility and lateral stiffness by setting the diagonal brace to a knee element instead of beam-column joint. Through the flexural yielding of the knee element under a severe earthquake, the structure could dissipate most of the input energy. No damage would occur to the main structural members and the rehabilitation could be very easy and not costly. However, despite its favorable features, this new system had not been widely used since its presentation. One difficulty that stops it from wide application is the complex nonlinear analysis. To make a simplification, a mathematical analysis model is formulated by combining use of the finite element method (FEM) and the plastic hinge theories. With this model, no iteration is involved in the solving procedure and only a few simple calculations are needed. In the end, examples are presented, which show that by using the analysis model, an easier and faster calculation could be expected, and the results are stable and reliable and consistent with the results of FEM.

钢结构斜隅支撑体系是一种新型结构体系。与一般的纯框架和中心支撑框架体系不同,该体系综合了延性好、抗侧移刚度大的特点。在遭遇罕遇地震荷载作用下,结构通过隅撑的弯曲屈服耗能,保证其他主要构件不受损伤,使得震后修复较为容易且费用较低。但此类结构复杂的非线性分析在一定程度上阻碍了其推广与应用。本文经过力学分析推导,结合有限元方法和塑性铰理论提出了一种简化计算分析模型。采用该模型,整个求解过程仅涉及少量的线性计算,不涉及迭代,可以有效地简化斜隅支撑结构在侧向荷载作用下的弹塑性受力分析。算例表明,该计算方法建模合理,运算速度快。同时,计算结果稳定、可靠,与有限元分析程序得出的结果具有较好的一致性。

According to the system of resist lateral force,steel structure can divide into unbraced frames,centrically braced frames and eccentrically braced frames.Unbraced frames own good ductility and low stiffness,bur can not satisfy the demand of seismic-resistant'displacement generally.Braced frames own high stiffness and two lines of seismic-resistant defence,and adopted in high seismic-resistant area,then analyzed the dynamical properties of 6-story frame by finite element software ANSYS,compared the seismic-resistant...

According to the system of resist lateral force,steel structure can divide into unbraced frames,centrically braced frames and eccentrically braced frames.Unbraced frames own good ductility and low stiffness,bur can not satisfy the demand of seismic-resistant'displacement generally.Braced frames own high stiffness and two lines of seismic-resistant defence,and adopted in high seismic-resistant area,then analyzed the dynamical properties of 6-story frame by finite element software ANSYS,compared the seismic-resistant properties of these three types of frames.As a result of analysis,the braced frames can control the displacement of structure.

钢结构框架类型,按其抗侧力体系可以分为:纯框架(UBF)、中心支撑框架(CBF)和偏心支撑框架(EBF)。纯框架具有较好的延性,刚度较小,往往满足了抗震变形要求;支撑框架刚度较大,具有两道纯抗震防线,适应于抗震设防较高的地区。通过有限元软件ANSYS对6层框架进行动力分析,比较这三种框架的抗震性能。由分析可知,支撑框架能较好地控制结构变形。

 
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