| 1. | The application and functional expand of truss frame platform
架空平台的应用及功能扩展 |
| 2. | Truss framed leg
桁架式桩腿 |
| 3. | Staggered truss frame system is more and more widely applied abroad and scholars at home are speeding relative study to put to practice
钢结构交错桁架体系在国外工程中日益增多的应用，促使我国学者也在加紧对这种结构的理论研究，以期在国内尽快推出工程实例。 |
| 4. | Staggered truss frame system is characterized by economy , efficiency and practicability and it has drawn wide attention in both engineering and academic field recently
钢结构交错桁架体系具有经济、实用、高效的优点，近年来，已受到国内外工程界和学术界的关注。 |
| 5. | The paper , referring to foreign codes , carried out aseismic study on staggered truss frame system by means of fem program - etabs , and drew the conclusion of its aseismic performance
本文就是基于上述原因，参考国外已有的相关规程，运用etabs有限元程序，对交错桁架的抗震性能在理论上进行研究，并得出了交错桁架结构的抗震性能评价。 |
| 6. | Through the analysis of receiving force performance of staggered truss frame , this paper clearly proposed the principle that nodes construction scheme should be defined according to the plane truss form for the first time
本文通过对错列桁架体系受力性能的分析，第一次明确地提出了体系节点构造应该根据平面桁架形式来确定的原则。 |
| 7. | Using the analysis method , the calculating method and practical formula of transverse and longitudinal column effective length coefficient of staggered truss framing have been done systematically and completely at the first time
本文采用解析法，首次全面系统地推导出错列桁架体系横向和纵向柱子计算长度系数的计算方法和实用计算公式。 |
| 8. | Consulting analysis method of current design code ( specification ) on the " p - a " effect of steel frames of each country , the geometry nonlinearity capability of staggered truss system has been analyzed in this text ; those will fill the blank space of staggered truss framing research aspect
本文参照各国现有规范(程)对钢框架结构p -效应的考虑方法，首次对错列桁架体系的二阶效应进行了分析，填补了错列桁架结构研究方面的空白。 |
| 9. | The paper carried out elastic response spectrum analysis on staggered truss frame system , input two strong ground motion records to carry out elastic and plastic time - history analysis . the paper compared the difference of aseismic property between 20 - storeyed composite truss and 20 - storeyed braced composite truss , and concluded that longitudinal brace can not only increase the rigidity but also reduce drift displacement of the first storey . in addition , the paper adopted displacement coefficiency in push - over method to obtain object displacement , and gave the failure modes of the two structures respectively
本文对钢结构交错桁架体系进行了弹性反应谱分析、输入了两条强震记录进行弹性以及弹塑性时程分析，对比了20层混合式和20层纵向带支撑混合式在弹性阶段及弹塑性阶段的抗震性能区别，得出纵向带支撑不但有利于增大纵向的刚度，还可以减小结构底层层间变形的结果；利用pushover的位移系数方法得出了结构的目标位移，并得出了两种结构的破坏模式。 |
