玄武岩筋抗拉性能试验研究

Research on tensile property test of BFRP

通过对φ8 mm的玄武岩筋(BFRP筋)进行拉伸试验,观察了BFRP筋的破坏模式和试验过程中的现象,测定了其极限抗拉强度、弹性模量和伸长率等力学指标,根据试验结果绘制了BFRP筋的应力—应变曲线,结果表明:BFRP筋应力—应变曲线呈直线,破坏时没有预兆,没有屈服平台,是一种典型的脆性材料。

The paper undertakes the tensile test of φ8 mm BFRP, observes the damage model for BFRP and phenomena in the test process, measures its dynamic indexes, including extreme tensile property strength, the elasticity modulus, the elongation, draws the stress-strain curve of BFRP, and proves by the result that the stress-strain curve displays the straight line of BFRP, which is the classic fragile material without any foreshadow nor the yield point elongation in the damage.