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预切槽施工技术是铁路工程建设科技进步“八五”规划的重大科研攻关项目。按铁道部科技计划要求,铁道建筑研究设计院、西南交大和铁道部第十六工程局机械厂于1993年8月在京郊进行了预切槽和预支护混凝土工艺试验。隧道预切槽施工技术方案试验研究阶段工作完成后,于1993年11月11日在北京召开了评议会。 与会代表和评议组听取了研究单位关于该项目的研究报告、试验报告、链锯试验机的试制报告、隧道预切槽施工技术方案及预切槽机设想方案的汇报,观看了截盘式链锯试验机。会议认为:隧道预切槽施工技术方案试验研究取得了阶段性成果,达到了铁道部科技发展计划
Pre-grooving construction technology is a major scientific research project for the “Eighth Five-Year Plan” of scientific and technological progress in railway construction. According to the Ministry of Railways science and technology plan requirements, Railway Construction Research and Design Institute, Southwest Jiaotong University and the Ministry of Railways sixteenth Engineering Bureau Machinery Factory in August 1993 in the suburbs of Beijing pre-cut slot and pre-support concrete technology test. After the completion of the experimental phase of the technical scheme for tunnel pre-cut construction, a council was held in Beijing on November 11, 1993. The participants and reviewers listened to the report of the research institute on the project, the test report, the trial report of the chain saw test machine, the technical plan of tunnel pre-grooving and the pre-grooving machine envisioned program, and watched the interception chain Saw test machine. The meeting held: The tunnel pre-cut trench construction technology program has made preliminary results of the pilot program to reach the Ministry of Science and Technology Development Plan