| 1. | 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。 |
| 2. | Furthermore , the load carrying capacity and elastic stiffness are calculated and experimental results have proved they are good
并对试件的承载力及弹性刚度进行了实测结果与计算的比较，符合较好。 |
| 3. | The research has indicated : the bearing capacity and elastic stiffness of the vertical stiffener is bigger ; the length has do contribution both to the bearing capacity and stiffness ; the length just has influence on stiffness
研究表明：垂直加劲肋节点承载力、弹性刚度较大；垂直加劲肋长度对节点承载力和刚度都有贡献；加劲肋高度只对节点刚度有影响。 |
| 4. | Eccentrically braced frames have the advantages of both moment - resisting frames and concentrically braced frames . this system can provide high elastic stiffness and large inelastic energy dissipation capacity in resisting lateral loads caused by seismic activity
偏心支撑框架综合了抗弯框架和中心支撑框架的优点，能够提供很大的弹性刚度和非弹性能量耗散能力，以抵抗地震作用产生的侧向力。 |
| 5. | In order to obtain elastic stiffness matrices and geometry stiffness matrices that do not depend on subdivision of the element for convergence , the displacement functions are expressed in terms of the geometry properties of the section and this consideration leads to the formulation of exact stiffness matrices for linear elastic analysis given in this paper
本文利用有限元方法对变截面梁单元进行研究。为了得到精度不依赖于划分单元数目多少的弹性、几何刚度矩阵，本文采用变截面构件几何特性积分所获得的轴向、侧向位移函数。 |
| 6. | Based on the experimental investigation and numerical analysis , the slab ' s shear and bending resistant expression is proposed and a representative wall ' s reliability index under small earthquake is figured out . sensitivity of every factors affecting shear strength is evaluated . the elastic stiffness and deformation of mrs and shear wall structure is compared
( 4 ) .密肋复合墙体承载力实用设计表达式的提出根据试验结果和数值分析，建立了的密肋复合墙体抗剪和抗弯承载力表达式，并对其在地震作用下的可靠性进行了分析，得出了墙体的承载力可靠指标。 |
| 7. | Starting from virtual work principle , with the combination of fem , the author led into elastic stiffness practical formulation of bi - direction cellular slab . after comparing the bi - direction elastic stiffness formulation with the approximately stiffness formulation , the author drew such a conclusion that if the hole - rib is comparatively big , the elastic stiffness of bi - direction cellular slab calculated by approximately formulation would be comparatively small , and therefore the elastic stiffness could calculated by the formulation illustrated in this paper
本文从虚功原理出发，结合有限元方法，给出了双向空腹板的弹性刚度实用计算公式，并与近似刚度公式进行对比分析，并得出结论：在双向空腹板孔间肋较大情况下，利用近似公式计算双向空腹板的弹性刚度偏小，可按本文提出的弹性刚度公式进行计算。 |
| 8. | The major factors of the experiment are listed as following : the influence of different reinforcement ratio of the walls , the influence axial compression ratio , the influence of vertical reinforcing bars at the boundary , the influence of mortar layers etc . furthermore , the load carrying capacity and the elastic stiffness are calculated and experimental results have proved that they are good
试验中考虑的主要因素有：墙体不同配筋的影响、轴压比的影响、两端竖向加强钢筋的影响、砂浆层的影响等。并对试件的承载力及弹性刚度进行了实测结果与计算的比较，符合较好。 |
| 9. | Eccentrically braced steel frames are a lateral load - resisting system which apply high intensity area and it can provide the high elastic stiffness that met higher steel building drift requirement . the links of eccentrically braced steel frames sustain large inelastic deformation without loss of strength under severe earthquake loading which demonstrate excellent energy - dissipation capacity and ductility
在罕遇地震时，由于耗能梁段屈服进入塑性，结构有很强的耗能能力和延性，是适用于高烈度震区的一种有效的抗侧力结构体系。 |
