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隧道病害主要是渗漏水和衬砌裂缝。隧道养(维)护中经常需要在衬砌混凝土上割缝成槽。针对目前既有割缝技术的不足,开发了基于可移动导架的隧道衬砌割缝技术。其特点是切割机可在导架的引导下沿预定线路行走割缝;导架设有平移固定螺栓能使切割机割出规整的平行缝,为衬砌微创伤成槽创造条件;割缝过程省力、安全、高效。经在隧道渗漏水处治工程中应用,取得了良好效果。
Tunnel disease is mainly water and lining cracks. Tunnel maintenance (maintenance) often need to cut the gap in the lining of concrete into a slot. Aiming at the shortages of the existing kerf technology, the tunnel kerf cutting technology based on the movable guide frame has been developed. The utility model is characterized in that the cutting machine can guide and guide the kerf along the predetermined line under the guidance of the guide frame; the guide frame is provided with the shifting fixed bolts to cut the regular parallel slit of the cutting machine, Safe and efficient. After the tunnel leakage water treatment project application, and achieved good results.