1) hypothesis of plain section
平截面假设
2) Fictitious cross-section
假设截面
3) 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。
4) 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。
5) plane cross-section assumption
平截面假定
1.
Based on axial and eccentric compressive tests of six experimental model walls that may be used in the middle-high reinforced masonry building,the compressive behavior and capacity of the reinforced masonry are obtained,the plane cross-section assumption is verified,and the load-bearing capacity formula of the reinforced masonry is brought forward.
本文针对中高层配筋砌体房屋可能需要的材料性能情况,进行了6片混凝土小砌块配筋砌体墙片的受压性能试验,研究了该类配筋砌体墙片在轴心、小偏心荷载作用下的破坏特征,对平截面假定从现象上作了一定的分析验证,进行了配筋砌体的受压承载力计算并与实验结果进行了对比分析。
2.
It was found that load-middle span deflection curve could be defined as following stages: elastic stage,elasto-plastic stage and hardening stage;the circumferential strain does not distribute uniformly; longitudinal strain distribution obeys the plane cross-section assumption from 0 load till about 70 percent the ultimate load of bearing capacity.
7Pu基本符合平截面假定;同一点的环向应变与纵向应变符号相反。
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