There are many methods of laying cable line in common use are directly buried installation, cable laying, cable, tunnel drainage pipe installation and indoor and outdoor installation.
First is mining in cable trench: cable is buried in the ground dig a depth of 0.8 m or so ditch, ditch 0.6 m wide. Groove flat, fine sand, the 100 mm thick on the shop as the cushion layer of the cable.
Cable and the laying of general points of artificial mechanical drawing two kinds. Artificial laying cable for norms is lesser, the two groups sat on both sides of cable trench, carried inched along the direction of laying cable, the cable line plate gradually, fall into a ditch, mechanical traction used in all kinds of cable, the cable trench, place a pair of roller every two meters; On one side of a motorized in cable trench, placed at the other end of the hoist or winch, at the rate of 8 ~ 10 meters per minute to pull the cable out, fall on the roller, and then out of roller, to apply on cable relaxation groove, in order to scale.
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