【摘要】 运用声发射检测技术，探讨了确定钢纤维灰砂混凝土中裂纹位置的机理、测试精度问题，提出了确定裂纹位置的主要声参数和影响因素等，所研究问题同样存在于混凝土类人造石材，因而具有普遍意义更多还原

【Abstract】 This paper studies the determination of a crack in steel fibre reinforced lime-sand concrete and its precision by acoustic emission(AE).The main AE paramters which influencethe precision of the determination of a crack are introduced,The properties of the lime-sand concretecan be increasted greatly with the steel fibre,The result in this paper can be used in the study of fi-bre re inforced cement concrete.更多还原