【摘要】 建筑结构中的许多部位都处于平面应力状态,研究人员经常需要测量这些部位的实际受力状态,传统的方法是采用应变花。依据双悬臂结构的优良工作特性,设计出了可装配式混凝土构件平面多向应变测量传感器,给出了混凝土试件的对比试验结果。试验结果表明:传感器测量数据线性关系好,最大非线性误差为1.57%;三次测量数据重复性好,最大重复性误差为2.1%。更多还原

【Abstract】 In the architectural constructions,many locations are in the state of plane stress,the actual stressed state of which is often tested by researchers.The traditional method is using strain gage rosette.Referencing the excellent working performance of double cantilever beam structure,a type of plane multi-stain-measurement sensor for concrete element is designed,and comparative test result of concrete sample is given.The test result shows that the linear relationship between the measurement data tested by the sensor is fine,and the maximum error is(1.57 %).The repeatability of the data in three-testing is fine,and the maximum error is 2.1 %.更多还原