The experiment procedure and analysis result about exteriorly extended end - plate connection with high strength bolt are introduced primarily ; each sample ' s dimension is given . the adding load equipment , measuring apparatus placed , measuring point established is detailed . adding load measure load and m - curve is produced ; the single span gabled frames horizontal displacement formula is deduced when the horizontal concentrated force is applied to it 重点介绍了外伸端板高强螺栓连接的实验过程及实验分析结果，介绍了各组试件的形状尺寸、加载装置、测量仪器安放、测点的布置等；给出加载方式及测出的m -曲线；计算出试验节点的初始刚度；推导水平集中力作用下单跨门式刚架考虑节点半刚性的侧移计算公式。
With the designing and building of yichang yangtse river highway bridge , a single - span suspension bridge with main span of 960m , some technical problems such as the layout of structural system of the suspension bridge , the type of cross section of stiffening steel box girder , the structural system of the anchor and the cracking - resistant techniques of the bulky concrete anchor have been studied in the present thesis . some valuable conclusions have been achieved that provided a substantial support for the successful completion of the bridge . the thesis contains five chapters 本文以湖北宜昌长江公路大桥(主跨为960m的单跨悬索桥)的设计与施工为背景，对大跨悬索桥设计与施工中的若干问题如悬索桥结构的合理布置、加劲钢箱梁断面型式的合理选取、锚碇结构的合理确定以及锚碇大体积混凝土设计与施工的综合防裂技术等进行了研究，取得了一批富于实用价值的研究成果，为宜昌长江公路大桥的顺利建成提供了卓有成效的技术支持。
A material nonlinear finite element analysis for the cast - in - place reinforced concrete hollow slab that occurs from initial loading , cracking , yielding to failing is carried on . the cracking load , ultimate load , the displacement rules and the principal stress distribution rules of the hollow slab under the vertical loads are obtained . a material nonlinear finite element analysis for the single span hollow flat - plate floor is also carried on 其次对空心板进行了从加荷、开裂、屈服直至破坏的全过程材料非线性有限元计算，得到了空心板在竖向荷载作用下的开裂荷载、极限荷载及位移和应力分布规律；还对单跨无梁楼盖进行了材料非线性有限元计算，通过分析主应力场明确了柱上暗扁梁的作用；有限元计算的结果验证了以上的理论分析并得到了一些重要的结论，对改进现浇空心板无梁楼盖的构造措施有重要的参考价值。
The dynamic characteristics of lightweight steel structure are also respectively calculated and analyzed in single span or whole structure . the computational results show that the out - planar stiffness has great influences on dynamic characteristics during the single span calculation ; in the total structural analysis the crane has no evidently effect on dynamic characteristics with contrast to single span 对轻钢厂房结构的单跨和整体结构进行了动力特性计算分析，结果表明平面外刚度对动力特性的影响非常显著，在空间结构模型分析中吊车质量对结构的影响并未比平面单跨情况下来得明显。
At first , this thesis analyzes the main causes in theory , which have effects on the redistribution of internal force and modulation of moment for the bonded post - tensioned partially prestressed concrete frame ( for short prestressed frame ) , including the relative height of compressive zone of section ( ) , secondary moment and types of load applying . then , this thesis analyzes the test of prestressed frame . then , a method , called curvature - force method , for nonlinear analysis of prestressed frame is put forward 本文首先从理论上分析了影响后张有粘结部分预应力混凝土框架（简称为预应力框架）内力重分布和弯矩调幅的主要因素，即相对受压区高度、次弯矩和加载方式等，并初步分析了两榀只加竖向荷载和两榀既加竖向荷载又加水平荷载的单层单跨预应力框架静力加载的试验。
Based on the conceptual considerations and structural design of pingsheng bridge in foshan , the first single tower and single span hybrid girder self - anchored suspension bridge in the world , the original technical achievements of the bridge , such as those of the integral bridge tower and separated stiffening girders , the stiffening hybrid girders , structural types of steel - concrete girder joint parts , steel box girder incremental launching and hanger adjustment , are presented and the key and innovative techniques for the self - anchored suspension bridge are described in a summarized account as well 摘要通过世界上首座独塔单跨混合梁自锚式悬索桥佛山平胜大桥的方案构思及结构设计，介绍了其采用的整体桥塔分离式加劲梁桥型结构、混合加劲梁、钢混凝土结合段构造型式、钢箱梁顶推技术、吊索调索技术等原创性工程技术成果，综述了自锚式悬索桥设计的关键和创新技术。
At last , with the program , 18 one - storey and one - span prestressed frames are simulated . some conclusions are reached with the taking into account the , secondary moment and types of load applying : ( 1 ) the in the beam affects the ductility of the section and rotary property of the plastic hinge . so total coefficient of the modulation of moment becomes less with the becoming bigger 最后，本文利用编制的非线性程序，模拟了18榀单层单跨预应力框架，重点研究截面相对受压区高度、次弯矩、加载方式对塑性内力重分布和弯矩调幅的影响，从中得出了以下主要的结论和规律： ( 1 )框架梁相对受压区高度在很大程度上反映了截面的延性，体现了塑性铰的转动能力，框架的总弯矩调幅系数随着相对受压区高度的增大而减小。
The internal damping forces and the nonlinear elastic forces in the analytical form are deduced from the kelvin . voigt viscoelastic model . a smart method basing on the concept of period number is proposed for evaluating periodic solutions of the nonlinear system and determining the periodic . doubling bifurcation points ( 2 )建立了一个4dof单跨弹性转子在非线性油膜力、非线性内阻力和非线性弹性力作用下的非线性动力学模型，提出了求周期解的数值计算方法，以及计算周期解周期数及分岔点的算法。
Based on the general design of bent structure . aiming at multi - complexion bent structure , the essay calculates the dynamic period and domino effect of earthquake , 66 groups in all about shearing force ( q ) and crooked ( m ) of control section . the essay chooses appropriate regress parameter through repeating attempt , and makes use of origin regress analysis program protract dot chart of multi - structure , through multinomial regress analyse , finally works out the simplified formulas for single - stride bent with different stride shearing force ( q ) and crooked road ( m ) of control section 以排架结构常规设计为基础，针对多种工况下的排架结构，计算了自振周期、地震作用及其效应，共有66组控制截面的剪力q和弯矩m 。然后经过反复尝试选定合适的回归参数，利用origin回归分析程序绘出各类结构的散点图，经过多项式回归分析，得到单跨排架不同跨度时控制截面剪力和弯矩的简化计算公式。
