对混凝土受压区采用轴向重复加载的应力-应变关系而不是反复加载的。
For concrete in compression zone a stress-strain relation for repeated axial compressive cyclic loading, is adopted instead of that for reversed loading.
可简单地通过估算截面高度或控制截面相对受压区高度的方法达到优化设计的目的。
It is simple and convenient to reach the aim of optimization design by estimating the depth of section and controlling the relative depth of the compression zone of the members.
结果表明,随横向刚度减小,截面受压区面积增大,隧道纵向等效刚度有效率减小;
The analytical results show that, as the transverse rigidity decreases, the area of compressive region increases and the longitudinal effective rigidity ratio decreases.
受压区混凝土应力表明,混凝土的破坏面呈扇形弧状分布。这与实际测试结果是一致的。
The stress in concrete compressive zone shows that the fracture surfaces of concrete performs sector-arc distribution which is consistent with the experiment results.
从钢筋混凝土结构设计原理出发,分析截面弯矩、曲率、挠度、受压区高度之间的相互关系;
This paper studied the relationship among bending moment, curve, deflection and concrete compression height by design principle for reinforced concrete structure.
对RC梁正截面设计公式进行了深入的研究,根据平截面假定推出了受压区高度很小时梁配筋量计算的公式,并与规范公式进行了比较。
Based on the plane hypothesis, a set of formulas were derived for the design of RC beams with very small depth of compression zone.
Rumsfeld继续:“这些饱受压迫的伊拉克油井,正和天底下所有其他油井一样——不管他们是在沙特阿拉伯、尼日利亚、还是阿拉斯加野生动植物保护区——都应该享有自由抽油的权利!”
Continued Rumsfeld: "These oppressed Iraqi oil Wells deserve the right to pump oil as freely as any other oil well on God's Earth-be it in Saudi Arabia, Nigeria, or an Alaskan wildlife refuge."
结论尽快充分解除外侧裂区血管受压能提高手术疗效。
Conclusion Lateral fissure area as soon as a sufficient discharge pressure to increase vascular surgery.
跨中正弯矩区钢箱内上部浇筑混凝土,可解决钢箱梁顶部混凝土受压面积不足的问题;
Concrete is poured on the upper part inside the steel box in the span-center bending moment area to solve the problem of the insufficient pressing area of concrete on the top of the steel box girder;
分析表明,采用新的允许出现零应力区的设计方法,双向偏心受压基础的安全性和经济性均有较大提高。
The analysis shows that the security and economy of bidirectional eccentric foundation can be improved greatly when the new method of considering zero-stress zone is adopted.
利用灯箱布的凸筋和凹区保证微穿孔不受压变形,保持其良好的吸声性;
The deformation of the micro-holes can be obviated by arranging ribs and concave regions on the lamp-box fabric so as to keep good sound absorption performance.
利用灯箱布的凸筋和凹区保证微穿孔不受压变形,保持其良好的吸声性;
The deformation of the micro-holes can be obviated by arranging ribs and concave regions on the lamp-box fabric so as to keep good sound absorption performance.
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