| 1. | Influences of second - order effect on structural analysis of steel frames 二阶效应对钢框架结构分析的影响 |
| 2. | Performance analysis of steel megaframe and influence of second - order effects 巨型钢框架结构性能分析及二阶效应的影响 |
| 3. | Influence of second - order effects on response history analysis of steel megaframe 二阶效应对巨型钢框架结构时程分析的影响 |
| 4. | The paper studies the second - order effects and stability problem of the reinforced concrete hinged column and frame column 本文对铰支柱和框架柱的二阶效应问题进行了较全面的研究。 |
| 5. | The second - order effects of column emphasize the connection between axis load and distortion add - ons internal force and add - ons distortion , second - order effects analysis should consider from whole 柱二阶效应问题研究的是柱轴力和变形的相互关系及其产生的附加内力和附加变形。对于二阶效应分析应该从整体上考虑。 |
| 6. | So the studies of second - order effect of the frames are very important and meaningful , because it can provide theoretic foundation for the second - order design and practical analysis method for practical projects 刚框架的二阶效应研究既可以给框架结构的二阶设计提供理论依据,又可为实际工程提供实用的分析方法,因此具有重要的理论价值和实际意义。 |
| 7. | In this paper , slender columns with the two ends hinged are considered . an iterative computer analysis procedure taking into account the second - order effect of the axial load is proposed to predict this complete load - deformation process 本文针对两端铰接的任意截面钢-砼组合长柱,考虑长柱在偏心荷载作用下的附加弯矩影响(二阶效应) ,提出了一种数值迭代的计算机方法进行全过程分析。 |
| 8. | Secondly , some conclusions have been made through the comparison of several examples . thirdly , a set of equations concerning the second - order effects is proposed to facilitate practical use . the advantage of this simplified design method is that the second - order effects can be simulated in a convenient way 第三,为方便工程设计,本文首次提出了交错桁架结构体系考虑空间整体二阶效应的简化设计方法,该方法的优点是能用修正后的空间一阶分析的结果来反映结构考虑二阶效应后的响应,具有较强的可操作性。 |
| 9. | The present findings of nonlinear research in frame structures , and the methods for design of second - order effect in the codes from china and other countries , were briefly introduced in this paper . the contents and methods of design and calculating about second - order effect in gb50017 - 2003 were discussed as well . a rotational displacement equation for geometric nonlinear structures was derived , and then a nonlinear finite element program for rigid frames was compiled by fortran 本文简要地介绍了框架结构非线性研究的现状以及各国规范对框架二阶效应的设计内容和方法;对我国《钢结构设计规范》 gb50017 - 2003给出的考虑框架结构二阶效应的方法进行了探讨;推导了基于几何非线性框架的转角位移方程,在此理论基础上用fortran语言编制了刚性框架二阶内力分析的有限元计算程序,并用此结构分析程序对多种框架进行了一阶和二阶的弹性分析,讨论了二阶效应在框架分析中不应忽略的原因,同时分析了影响框架二阶效应的因素。 |
| 10. | When the elastic design method is used , the paper proposes the recommendation that designer can not consider second - order effect on structural internal force , but must consider the effect on drift computing , and also gives a simplification method for calculating the second - order drift . base on above research achievements and referencing current design codes and research documents , this text has done overall discussions on the elastic design method , the chief works includin 基于前面的研究成果,参考现有各国钢结构设计规范和已有的研究文献,本文首次对钢结构错列析架体系的弹性设计方法作了全面的探讨,主要工作包括材料的选用、构件截面形式、构件弹性设计方法、连接节点设计和构造详图、组合楼盖的设计、栓钉剪力连接件的设计。 |