城市勘测
城市勘測
성시감측
URBAN GEOTECHNICAL INVESTIGATION & SURVEYING
2011年
5期
119-122
,共4页
拱圈线形%免棱镜全站仪%悬高测量%精度分析
拱圈線形%免稜鏡全站儀%懸高測量%精度分析
공권선형%면릉경전참의%현고측량%정도분석
shape of arch ring%reflectorless total station%remote elevation measurement%accuracy analysis
针对拱圈线形测量的难题,提出了一种利用免棱镜全站仪结合悬高测量原理测定拱圈线形的方法,并推导了Z坐标测量中误差的计算公式,讨论了影响测量精度的主要因素。理论分析和工程实例表明,该方法具有观测精度高,操作简便,适应性强等优点,是拱圈线形测量的一种较好方法。
針對拱圈線形測量的難題,提齣瞭一種利用免稜鏡全站儀結閤懸高測量原理測定拱圈線形的方法,併推導瞭Z坐標測量中誤差的計算公式,討論瞭影響測量精度的主要因素。理論分析和工程實例錶明,該方法具有觀測精度高,操作簡便,適應性彊等優點,是拱圈線形測量的一種較好方法。
침대공권선형측량적난제,제출료일충이용면릉경전참의결합현고측량원리측정공권선형적방법,병추도료Z좌표측량중오차적계산공식,토론료영향측량정도적주요인소。이론분석화공정실례표명,해방법구유관측정도고,조작간편,괄응성강등우점,시공권선형측량적일충교호방법。
In connection with the problem of the shape measurement of arch ring,a new method was presented that measuring the arch ring by reflectorless total station remote elevation measurement.Then the mean square error formulas of Z coordinates was derived and the main impact factors of measurement accuracy were discussed.The theoretical analysis and engineering example show that it is a good method for the shape measurement of arch ring due to its unique advantages,such as high measurement accuracy,simple operation and good adaptability.
