Maintaining technology for national highway inspection well cover
A technology for inspection manhole covers and national roads, which is applied in the maintenance process of national road inspection manhole covers, can solve the problems of lack of maintenance time, unfavorable product quality, and long time consumption, etc., to achieve strong sensitivity to compaction, less interference factors for health maintenance, and ensure quality Effect
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[0022] The technical solutions of the present invention will be further described in detail below in conjunction with specific embodiments.
[0023] A kind of maintenance technology of national road manhole cover, comprises the following steps:
[0024] Step 1. Cut the circle; determine the diameter of the cut circle according to the disease of the old manhole cover. The principle is to try not to damage the original stable and flat old road surface; the circle cutting process can be carried out on the manhole cover with the disease in advance, which can shorten the time for installing the manhole cover and effectively guarantee The temperature of asphalt concrete; round cutting machine can choose manhole cover round cutting machine or tile cutting machine;
[0025] Step 2, chisel out the old manhole cover; choose a pneumatic pick, electric pick or rock drill to take out the old manhole cover and the manhole cover seat, trim and clean the base layer, and place a mold to preven...
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