摘要
本文分析了影响测斜仪精度的各种因素,包括测斜仪的率定、零漂与蠕变,以及温度变化等。并就这些因素对测量结果的影响进行了试验研究。通过量测三种测斜管的扭角大小,推导了扭角存在时的水平位移计算式。对试验结果的统计分析,得出三种测斜管的误差范围,推导了管深改变时的误差计算式。同时,进行了应变片测斜仪与伺服加速度计式测斜仪的测读精度的对比试验,得到了两者间的误差。
This paper analyses various factors that influence the accurcy of inclinometer,including the calibration,zero drift,creep of inclinom- eter and varying temperature influence factor,and studies these influenc- ing factors on the results of survey.The by surveying the twist angles of the three casings the formulas for calculating horizontal movements are derived.By statistical analysis on the experimental results,errors of the three casings are acquired.The formulas of calculating errors for various depth of casings are derived.At the same time,the accuracy of survey of the strain gage type inclinometer is compared with that of the servo accelerometer type inclinometer,and the errors between them are acquired.
