表1 泡沫铝力学性能参数Table 1 Mechanical property parameters of the aluminum foam 图2 泡沫铝准静态压缩试验.(a) 压缩 0 mm; (b) 压缩 20 mm; (c) 压缩 30 mm; (d) 压缩 40 mmFig.2 Quasi-static compression deformation process of the hexahedral cellular aluminum foam: (a) compression 0 mm...
cfrp层合板冲击后压缩失效分析数值模拟
The mechanical properties of CFRP and steel cables are listed in Table1. The mechanical properties of CFRP cable are taken from literature31. Based on the Eqs. (1)–(4), the corresponding cross-sectional areas of CFRP cable calculated by stiffness equivalent, strength equivalent and area equival...
PVC 管混凝土外缠包CFRP 约束结构被提出,虽然对其短柱静力性能进行了较多的研究,但尚缺少CFRP-PVC 管混凝土中长柱的力学性能的报道。基于此,对4组不同长细比的 构件进行试验研究,在此基础上,建立有限元数值模型,在用试验结果验证其有效性的基础上,进行了混凝土强度、CFRP 层数、长细比等参数分析,最后...
表1 复合材料层间电导率Table 1 Electrical conductivity of resin between layers of composite materials 图2为不同复合材料试样表面的SEM图和EDS图,图片上端均为通过机械磨蚀去除了表面Al颗粒层后裸露的碳纤维层,下半部分为富含Al颗粒的树脂基体层,图片表明Al颗粒在Al-33.3%的树脂基体中颗粒间平均距离较大,且部分...
Table 2. Mechanical properties of CFRP, MSM, and HSM and epoxy adhesives, per the manufacturers. MaterialLaminate thickness (mm)Elastic modulus (GPa)Tensile strength (MPa)Rupture strain (%) Medium Cord Density (MSM) (G2000) 0.227 190 3070 1.87 High Cord Density (HSM) (G3300) 0.381 190 307...
表2 一个周期温湿场参数 Table 2 A period of temperature and humidity field parameters Figure 13 图13 孔隙率为0.11的层合板弯曲性能实验值与模拟值 Figure 13 Experimental results and simulation values of the bending properties of laminates with porosity of 0.11 ...
Table 1. The mechanical properties of CFRP laminate. PropertiesValuesUnits Longitudinal tensile strength (XT) 2840 (MPa) Longitudinal compressive strength (XC) 1650 (MPa) Transverse tensile strength (YT) 80 (MPa) Transverse compressive strength (YC) 215 (MPa) Longitudinal shear strength (ST) 98 ...
Table 1 Mechanical properties of steel rebars 钢筋种类 直径/mm 屈服强度/MPa 极限抗拉强度/MPa 断后伸长率/% HRB400 6 453.97 648.01 20.62 12 476.13 612.88 22.01 Table 2 Averaged compressive test results of standard concrete blocks 混凝土强度等级 标准立方体抗压强度 轴心抗压强度 弹性模量 C40 45.6...
作者简介:赵少伟(1972 )ꎬ男ꎬ教授ꎬ博士ꎬ主要从事混凝土与预应力混凝土理论等方面研究ꎮ 文章编号:2095-1922(2023)04-0642-09doi:10.11717/j.issn:2095-1922.2023.04.08高温后CFRP ̄MOC ̄混凝土界面粘结特性研究 赵少伟ꎬ吕㊀冉ꎬ郭㊀蓉...