Influences of rib stiffeners on hysteretic behavior of end-plate connections;
加劲肋对端板连接滞回性能的影响
L-joints without rib stiffener are semi-rigid connections.
采用简化理论方法对L形圆管节点的强度和刚度进行了分析,横向正应力的存在对节点域钢管具有“捏合”作用,从而降低了节点的刚度和承载能力,无加劲肋的L形管节点属于半刚性连接。
Among them, four end plates are reinforced with rib stiffeners, which are in alignment with beam webs, and constant axial compression force is applied at the end of seven columns during the test.
为了研究钢框架中梁柱端板连接节点的滞回性能,本文进行了8个节点试件的循环加载试验,其中有7个试件的柱端施加了轴向压力,4个端板设置了加劲肋。
Static behavior analysis of top and seat angle with stiffener connection beam-to-column joints;
带加劲肋的顶底角钢连接梁柱节点的静力性能分析
The stiffeners that were mounted in compression zone can decrea.
发现:端板厚度对节点的初始转动刚度影响较大,载荷比对转角的影响较大;设置承压加劲肋可明显减小节点域内的塑性应变,改善柱腹板的受力状态,提高柱稳定性,从而保证钢框架整体的稳定性。
FEA models were established to make analysis on the influence of wall panel,horizontal rib stiffener and inside steadying bar to mechanics properties of one typical flue gas duct in fuel electric plant.
通过建立火力发电厂钢烟道的有限元计算模型,对烟道壁板、烟道横向加劲肋和有无内支撑对钢烟道力学性能的影响进行了计算分析,并对设置纵向加劲肋的作用进行了深入讨论。
During the analysis, two parameter was considered:the depth and length of stiffening rib.
利用有限元软件分析输电铁塔8个地脚螺栓塔脚板受力过程,讨论其破坏机理、破坏准则,介绍了加劲肋厚度、长度等参数变化对其承载力的影响,在此基础上提出一些设计建议。
The paper analyses the stability of rib slab on method of energy,the formula of longitudinal critical force is deduced,and rational arrangement of stiffening rib is discussed.
利用能量法分析了加肋平板的稳定问题 ,推导了纵向临界力的计算公式 ,并探讨加劲肋的合理布置 。
The steel silo wall is a typical cylindrical shell structure which is very sensitive to the boundary conditions, so setting up stiffening rib on the silo wall can improve the stability effectively, but it is the lack of related research.
再采用数值分析方法,包括线性特征值屈曲分析、几何非线性分析及几何、材料双重非线性分析,研究了不同加劲肋对钢筒仓仓壁稳定性能的影响。
