摘要
根据上海市长江隧道工程贯通处洞门中心坐标测量的实际情况,利用数学方法将空间三维的洞门钢环实测坐标拟合出三维方程,精确求取钢环中心的三维坐标。
According to the actual case in the center coordinate survey of portal hole in shanghai Yangtze River tunnel through, a mathematic method is explored, which is fitting the three-dimensional equation after gaining the actual coordinate of steel ring in portal hole. The precise three-dimensional coordinates in the center of steel ring is obtained.
出处
《城市勘测》
2009年第3期90-92,共3页
Urban Geotechnical Investigation & Surveying
关键词
上海市长江隧道
洞门中心测量
空间圆拟合
最小二乘法
Shanghai Yangtze River Tunnel
center coordinate survey of portal hole
Space Circular Fitting
Least Squares
