Finite Element Analysis of the Exceed Statically Determinate Cable-stayed Truss Structure; Structural Behaviors and Design of Extradosed Cable-stayed Bridge 超静定斜拉式桁架结构的有限元分析矮塔斜拉桥结构行为研究与设计实践
Cable-stayed and truss bridge is one new style bridge for 20 years developing which belongs to high-order statically determinate structure and inner force calculating complicated. 斜拉桁架体系桥梁是近20年来发展起来的一种新的桥型,属于高次超静定结构,其内力计算复杂。
The parametric studies include statically determinate structure, width span ratio, the variation of shear lag coefficient on fixed end section and width depth ratio. 通过程序来分析箱形梁剪力滞系数的影响参数,这里包括静定结构参数分析,其中探讨宽跨比、固端截面剪力滞系数的变化,宽高比的影响。
The SuPer-statically Determinate Problem Analysis of support subside of statically determinate structure 静定结构支座沉陷问题的分析
Deformation calculation of statically determinate structure in unstable temperature field 静定结构在不稳定温度场中的变形计算
Structure designers are concerned about whether the statically determinate or indeterminate structure is lighter. 究竟是静定结构轻还是静不定结构轻,一直是结构设计人员所关心的问题。
Research and application of the finite element matrix-force method in the static analysis of the exceed statically determinate truss structure 超静定桁架结构的有限元计算方法研究及应用
The optimal results are compared with the solutions that are obtained by the fully stress method by examples on optimum design for a statically determinate truss structure and a statically indeterminate one with discrete variables. 以在应力约束条件下的静定桁架与超静定桁架结构为算例,比较了改进交叉、变异算子前后的优化结果,并将计算结果与满应力设计方法所得结果进行了比较。
By removing redundant restraints, the initial structure is equivalent to a statically determinate structure, named released structure, which subjects to loads, redundant forces obtained in elastic analysis and creep-redundant force changing with time due to the creep of structure. 该法去掉超静定结构中的多余约束,使原结构等效为一个同时承受外荷载、弹性多余力和随时间变化的徐变多余力的静定结构称为基本结构。
Through analysis of support subsidence the different calculation methods of the displacement of statically determinate structure caused by the support subsidence are proposed based upon law of virtual work and utilization of geometrical relationship in order to provide references for calculators. 通过对支座沉陷问题的分析,从使用虚功原理、利用几何关系及虚功方程等角度,分别提出了由于支座沉陷而引起静定结构位移的不同计算方法,以供计算人员参考。
The structure system of multi-span-short tower cable-stayed bridge is complex, high times super statically determinate and construction process is complex, the internal structure of construction stage and the linear constantly change with construction state. 由于矮塔斜拉桥结构体系复杂且为高次超静定,因此施工过程很复杂。
The the tied arch bridge is a outside statically determinate structure and a inside high-order indeterminate structure. Any stress change in a suspender would have effect on the whole structure. 因此系杆拱外部是静定结构,但内部是高次超静定结构,任何构件内力的改变都影响到全桥的受力状态。