是指物体抵抗其弯曲变形的能力。 早期用于纺织。抗弯刚度大的织物，悬垂性较差；纱支粗，重量大的织物，悬垂性亦较差，影响因素很多，有纤维的弯曲性能、纱线的结构、还有织物的组织特性及后整理等。 抗弯刚度现多用于材料力学和混凝土理论中，其英文名称为：bending rigidity。 以材料的弹性模量与被弯构件横截面绕其中性轴的惯性矩的乘积来表示材料抵抗弯曲变形的能力。
Structural testing of the beams shows that CFRP strengthening can increase flexural stiffness and reduce crack widths.
试验表明,CFRP粘贴加固可以提高钢筋混凝土梁的抗弯刚度,并且可以减小裂缝宽度。
参考来源 - CFRP加固矩形截面钢筋混凝土梁刚度、裂缝研究High-rise structure is a kind of structures whose height-to-width ratio is quite large with comparatively flexible bending stiffness.
高耸结构是一种高宽比较大，结构抗弯刚度相对较柔的构筑物。
参考来源 - 复合MTMD控制高耸结构风振研究Protecting measures of improving flexural rigidity and degree of safety of SMW cement soil pile are discussed.
分析了改善SMW工法中水泥土桩抗弯刚度和安全度的防护措施。
参考来源 - SMW工法水泥土桩性能影响因素分析及质量控制In this paper,the bengding stiffness of the structure ie derieved from the bending vibration differential equation based on former research. The main work and conclusions include:(1) The development of the damage identification technique of domestic and abroad is introduced.
本文在前人研究的基础上应用板的弯曲振动微分方程反演出结构的抗弯刚度,应用该抗弯刚度来进行损伤识别。
参考来源 - 平板结构损伤识别方法及试验研究In order to improve the disparity of impression strength, we must improve the bending rigidity of the cylinder itself, reduce its bending in the course of printing.
为了改善这种压印力分布的不均匀性,必须提高滚筒自身的抗弯刚度,减小其在印刷过程中的挠曲变形。
参考来源 - 胶印机压印滚筒的有限元分析·2,447,543篇论文数据，部分数据来源于NoteExpress
描述了抗弯刚度的测定机理。
考虑了筋的侧向抗弯刚度及在其平面内的抗弯刚度和抗扭刚度。
Taken the lateral flexural rigidity of stiffener, the flexural rigidity in its plane and the torsional rigidity into consideration.
最后，该产品比钢轻6倍，密度低5到6倍，更坚固2倍，抗弯刚度高13倍。
The end product is six times lighter than steel, five to six times lower in density, two times harder and has13 times higher bending rigidity.
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