1) spatial side-instability
空间侧向失稳
2) lateral buckling
侧向失稳
1.
Meanwhile,not only the webs are likely to have local buckling,but also the compressed flanges are likely to have lateral buckling in the region of negative bending moments.
对于组合梁正弯矩区段,主要发生腹板局部屈曲;对于负弯矩区段,不但可能发生受压翼缘的侧向失稳,而且也可能发生腹板的局部屈曲。
2.
Based on the theoretical analysis of steel-concrete composite box-beams’ lateral buckling,computational model on the stability of composite box-beams are proposed.
本文通过对组合箱梁侧向失稳形式的理论分析,提出组合箱梁稳定性分析的计算模型,采用能量法对钢-混凝土组合箱梁负弯矩区的侧向稳定性进行探讨,推导在等端弯矩作用下组合箱梁在弹性受力阶段时的临界失稳弯矩计算公式,确定箱型组合梁负弯矩区稳定设计的修正方法和建议意见,通过研究对比表明本文提出的计算公式比现行组合梁的稳定理论和计算方法具有更高的可靠性和经济性。
3.
And this dissertation studies the stability of composite beam in the following aspects:1) Based on the theoretical analysis of steel-concrete composite box-beams\' lateral buckling, analytical model on the stability of composite box-beams is put forward, and the formula which is used to calculate critical bending moment in negative bending regions is deduced.
钢—混凝土组合箱梁的侧向失稳和局部失稳是影响承载能力的重要因素。
3) Unilateral spatial agnosia
单侧空间失认
4) unilateral spatial agnosia
单侧性空间失认
5) spatial elastic instability
空间弹性失稳
1.
Through partial integration method and with the application of displacement and natural boundary condition for stress,we can get all order differential equations form variation equation of potential energy for spatial elastic instability and co.
在薄壁杆件空间弹性失稳势能的变分方程中 ,应用附加弯矩与扭矩及其所对应的失稳位移的曲率与扭率的增量来表达其外力失稳势能 。
6) sideways instability
侧移失稳
1.
Symmetrical instability and sideways instability are the two modes of in-plane instability.
平面内失稳的类型主要有对称失稳和侧移失稳两种。
补充资料:裂纹失稳扩展
分子式:
CAS号:
性质:材料内部裂纹尖端的应力场强度因子达到或超过材料的断裂韧性之后发生的裂纹快速扩展。裂纹失稳扩展将导致材料迅速断裂。
CAS号:
性质:材料内部裂纹尖端的应力场强度因子达到或超过材料的断裂韧性之后发生的裂纹快速扩展。裂纹失稳扩展将导致材料迅速断裂。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条