1) Fictitious cross-section
假设截面
2) hypothesis of plain section
平截面假设
3) inclining section assumption
折线形截面假设
1.
An effective and simple method for calculating the stress concentration factor and the limit load of a bending plate with fillets in terms of the inclining section assumption is presented in the paper.
根据折线形截面假设,提出了一种计算带圆角平板受弯曲时的应力集中系数和弹塑性极限载荷的简单而有效的方法。
4) indininy section assumption
拆线形截面假设
5) plane-section assumption
平截面假定
1.
Applicable range of plane-section assumption in analysis of L-shaped RC columns;
钢筋混凝土L形柱分析时平截面假定的适用范围
2.
According to the plane-section assumption,the shear strength provided by compression stresses in the concrete of concrete girders at ultimate stage can be calculated.
基于平截面假定,可以计算得到混凝土梁抗剪承载力中混凝土承担的剪力部分。
3.
The plane-section assumption and the grouting effect of AFRP tendons were investigated.
进行了7根配置芳纶纤维(AFRP)筋或钢绞线的有粘结简支梁受弯承载能力试验,分析了构件的开裂荷载与极限承载能力,考察了平截面假定及AFRP筋灌浆效果。
6) Assumption of Plane Section
平截面假定
1.
Analysis on Assumption of Plane Section of the Tshaped Short-piered Shear Wall;
T型短肢剪力墙平截面假定的分析
2.
Following the process of construction,considering the worst loads,according to the assumption of plane section,the steel girder alone and the composite girder are computed respectively.
按照实际施工过程,考虑最不利计算荷载,根据平截面假定,分别对钢梁单独受力和钢-混凝土组合梁两种工况进行计算。
3.
The assumption of plane section of reinforced concrete wide flange T-special shaped section columns has been validated by analysis of strain of sections.
按不同肢厚比设计了3组计算模型,应用ADINA有限元软件分析宽肢T形截面柱在单调荷载作用下的非线性特性,分析了轴压比、水平力作用方向对其承载能力的影响,并通过对柱底部钢筋与混凝土单元的应力、应变随荷载增加而变化的情况的分析,验证了宽肢异形柱对平截面假定的适用性。
补充资料：平截面假设
材料力学中的一个变形假设，其内容是：垂直于杆件轴线的各平截面（即杆的横截面）在杆件受拉伸、压缩或纯弯曲而变形后仍然为平面，并且同变形后的杆件轴线垂直。根据这一假设，若杆件受拉伸或压缩，则各横截面只作平行移动，而且每个横截面的移动可由一个移动量确定；若杆件受纯弯曲,则各横截面只作转动,而且每个横截面的转动可由两个转角确定。利用杆件微段的平衡条件和应力-应变(见应力和应变)关系,即可求出上述移动量和转角，进而可求出杆内的应变和应力。如果杆上不仅有力矩，而且还有剪力，则横截面在变形后不再为平面。但对于细长杆，剪力引起的变形远小于弯曲变形，平截面假设近似可用。
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