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根据当前我国隧道施工和检验断面轮廊尺寸的测量工作十分困难,从而无法对施工超挖和限界进行有效而精确控制的落后面貌,在部科技局和基建总局的支持下,经过4年的努力,研制成功SJC-1型便携式隧道断面激光测量仪,并成功地应用在大秦线大虎狼1号、采石场、麻虎寨等6座隧道和军都山隧道的开挖和衬砌断面的测量。1986年10月该仪器通过了部级鉴定。该仪器可极为快速地对隧道的各类围岩断面和各种衬砌断面进行极座标参数测量,并立即显示和打印出断面有关参数。采用微
According to the current measurement of tunnel construction and inspection of the cross-section size of the corridor, it is very difficult to effectively and precisely control the over-excavation and the boundary’s backwardness. With the support of Ministry of Science and Technology and Infrastructure Bureau, after 4 years of hard work , Successfully developed SJC-1 portable tunnel section laser measuring instrument, and successfully applied in the Daqin line Daqolong 1, quarry, Mahuzhai and other six tunnels and tunnels and the determination of the excavation of the tunnel section . In October 1986 the instrument passed the ministry level appraisal. The instrument can very quickly on all kinds of tunnel tunnel sections and lining sections polar coordinate parameters measured and immediately display and print out the relevant parameters of the section. Using micro