摘要
提出了提高建筑物沉降观测精度的方法,分析了能有效地避免观测值的粗差i、角及i角变化的误差、前后视距不等和立尺不直带来的误差影响,提高了建筑物沉降观测精度。
On the basis of traditional technique,a new method is introduced for improving the precision of building subsidence observation.With this method,the inaccuracy of observed value,"angle i" and "variation of angle i" error,the error of different stadias between front and back,the effect of leveling staff offset plumb by illustrations can be avoid effectively,accordingly raising the precision of subsidence of construction observation is raised.
出处
《测绘信息与工程》
2007年第3期44-46,共3页
Journal of Geomatics
关键词
精密水准测量
建筑物沉降观测
变形监测
沉降测点
精度
precise leveling
building subsidence observation
deformation monitoring
subsidence survey point
precision