摘要
研制出应用辅助刚性架加载和两端埋设钢筋的变截面轴心受拉试件,在普通试验机上进行了钢纤维混凝土轴心受拉应力-应变全曲线测试试验,研究了钢纤维含量特征值、钢纤维类型对钢纤维混凝土轴心抗拉强度和应力-应变全曲线的影响规律,提出了钢纤维混凝土轴心抗拉强度计算公式和轴心受拉应力-应变全曲线的解析表达式,为工程应用提供了有价值的参考.
The assistant loading unit with rigid-frame and the axial-tensile specimen with changing section and imbedding steel bars at ends are developed,the tests with normal test machine have been carried out to study the axial-tensile stress-strain curves of steel fiber reinforced concrete. The effects of the characteristic value of content and the type of steel fiber on the axial-tensile strength and the full stress-strain curve of steel fiber reinforced concrete are studied. The formulas for calculating the axial-tensile strength and the full stress-strain curve of steel fiber reinforced concrete are proposed. It applies some valuable references for the engineering application.
出处
《华北水利水电学院学报》
2007年第3期8-11,共4页
North China Institute of Water Conservancy and Hydroelectric Power
基金
河南省高等学校创新人才培养工程项目(豫教高[2004]294号)
华北水利水电学院青年基金项目(HSQJ2005012)
关键词
钢纤维混凝土
轴心抗拉
强度
应力应变曲线
steel fiber reinforced concrete
axial-tensile strength
stress-strain curve
