建立了一种新型压痕底模系统的模型，并测试分析了不同压痕条件下纸板的抗弯应力曲线和最大抗弯应力值。
The bending curve and the maximal bending stress of the cardboard under different indentation conditions were tested and analyzed.
研究掺聚醋酸乙烯水泥砂浆的轴拉和轴压应力—应变关系、抗弯性能以及长期粘结抗弯强度。
This paper delivered the relationships of uniaxial tensile and compressive stress with strain and bending properties, and felt-bending strength of cement mortar with polyvinyl acetate (PVAC).
再次，讨论了预应力、混凝土徐变、箱梁抗弯刚度等对桥梁结构下挠的影响。
Thirdly, pretressing, concrete creep and bending rigidity of box girder are studied to discuss their impacts on the deformation of girder.
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