钢框架结构

• The design of steel frame structures is performed conventionally using first - orderelastic analysis to obtain the displacement and the internal force . too manyassumptions results in more and more challenges
  传统的钢框架结构设计中采用一阶弹性分析的方法来计算钢框架各构件的内力及位移，过多的假定使其计算的结果受到越来越多的挑战。
• Beam column connections experienced a great deal of brittle fracture phenomenon in northridge earthquake and hyogoken - nanbu earthquake which indicated that connection performance is very important for steel frames
  发生在美国北岭和日本阪神地震都发生不同程度的梁柱节点脆性破坏,可见梁柱节点在多层钢框架结构抗震设计中占有非常重要的地位。
• And as a result the rational applicationextent is gained . the stability coefficient is the most important parametersconsidering p - effects . so the research on this parameter has academic andpractical significance
  考虑p -效应的稳定系数是衡量p -效应大小的重要系数，因此，对该稳定系数在钢框架结构中的适用范围研究具有理论和现实意义。
• By analysis , the purpose of transforming connection failure mode and controlling the position of plastic hinge has been reached by this connection construction another approach to improve ductility of structure is to utilize semi - rigid
  改善钢框架结构延性的另一种途径是半刚性节点的研究与利用,半刚性节点是通过角钢和连接件的变形吸收能量达到延性的目的。
• In order to analyze the stability of steel structure , we should firstly focus on the overall stability of the steel frame . however , the current method is based on the calculation on stability of the column instead of the steel frame
  对于钢框架结构的稳定性，应从框架的整体稳定方面入手进行分析，然而现行的设计方法是通过控制框架柱的稳定性来间接控制钢框架的稳定性。
• Many achievements have made in the research and application of structural steel since almost one hundred years ago , and structural steel has been widely used in the residential building abroad for many years
  但关于考虑填充墙在钢框架结构建筑中作为抗侧力构件的问题，国内外的研究都十分有限，还有许多问题有待于解决，我国的钢结构设计规范中也没有具体涉及到这方面的内容。
• Cavity sandwich panel infill is made of paper triangle cavity material , which is a kind of low density and environmental material . it could increase lateral resistant ability of frame while decrease the weight of the structure
  空腔结构材料为一种纸基三角空腔结构材料，它是一种新型轻质节能环保型复合材料，用于填充墙钢框架结构中既可以提高结构的抗侧力性能，又可以减轻结构自重。
• After looking back the state - of - the - art of the geometry nonlinear characteristic ofsteel frame structures home and abroad , this paper introduces the definition ofstability coefficient . several stability coefficients in different countries ’ codes arecompared subsequently
  本文在回顾钢框架结构几何非线性研究历史及现状的基础上，介绍考虑p -效应的稳定系数的定义，对几个国家规范中的稳定系数进行了比较。
• The results show that the number of iteration is small and the convergence process is also stable . this show also the method is suitable to multi - story lightweight steel - structure housing . furthermore , the flexibility of this method may make it apply in other structures
  作者用c语言把整个优化过程编成了程序，并计算了一些算例，结果表明，迭代次数相对不多，收敛过程也很稳定，该方法对多层轻钢框架结构的优化是适用的。
• 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。