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CARR堆堆本体9个水平孔道预埋件由于加工及混凝土浇筑的影响,使椭圆度的长短径相差最大约15mm,导致水平孔道按图纸加工的情况下无法安装。为保证水平孔道各零部件顺利安装,且保证设备的轴线与理论轴线重合,达到CARR堆运行效果,进行了本次测量。本次测量还可使上海加工的重水箱直接加工到图纸尺寸,省去二次加工的步骤,从而缩短了2～3个月的二次加工时间。测量的目的主要是测量出以孔道的理论轴线为基准所确定的预埋件的最小直径和安装凹槽的径
CARR reactor pile body 9 horizontal hole embedded parts due to the processing and pouring of concrete, so that the length of the ellipticity difference between the maximum diameter of about 15mm, resulting in the horizontal hole can not be installed according to the drawings processing. In order to ensure the smooth installation of the components of the horizontal hole and to ensure that the axis of the device coincides with the theoretical axis and achieve the operation effect of the CARR reactor, the present measurement was conducted. This measurement can also make the processing of heavy water tanks in Shanghai directly to the size of the drawings, eliminating the need for secondary processing steps, thus shortening the 2 to 3 months of secondary processing time. The main purpose of this measurement is to measure the minimum diameter of the embedded part and the diameter of the mounting groove determined on the basis of the theoretical axis of the tunnel