改性胶砂混合料基三维间隔织物材料制备及力学性能

提升三维间隔织物增强水泥复合材料的力学性能能有效拓展其应用范围.基于自制的超早强速凝快硬胶凝材料,掺入适量砂和玻璃纤维,在优化基体配合比的基础上,研究了砂的粒径、胶砂比以及玻璃纤维体积率对其力学性能的影响.结果表明,当砂粒径范围在0.075～0.6 mm、胶砂比为0.4、玻璃纤维体积率为1.5％时,可储存复合材料的抗弯...

Preparation and Performance of Modified Mortar Mixture Base Storable Composite Material

Improving the mechanical properties of the three-dimensional spacer fabric-reinforced cement composite material can effectively expand its application range.Based on the self-made ultra early-strength quick-setting and fast-hardening cementitious material,the appropriate amount of sand and glass fiber are mixed,and the research is based on the optimization of the matrix mix ratio.The influence of sand particle size,mortar-sand ratio and glass fiber volume ratio on its mechanical properties are discussed.The results show that when the sand size range is 0.075~-0.6 mm,the mortar-sand ratio is 0.4,and the glass fiber volume ratio is 1.5%,the flexural strength and tensile strength of the storable composite material are 4.1 MPa and 7.0 MPa,which is better than 2.4 MPa flexural strength and 0.72 MPa tensile strength of the traditional concrete canvas.