What are the tools and machines needed for building measurements?
2, bridge cranes (bridge, door), cable cranes, boom cranes (self, tower, door, rail, floating, mast). 3, self-propelled cranes, tower cranes, portal cranes. 4, car cranes, crawler cranes, tire cranes.
Four, measuring instruments 1, optical theodolite 2, the total station equipment: 1: jack (rack, spiral, hydraulic), pulley group, hoist (manual, electric), hoist (manual, electric, hydraulic), hanging monorail Hanging.
Second, the baseline measurement 1, theodolite 2, test steel ruler Third, the plane control measurement 1, triangulation method 2, wire measurement method 3, the three side measurement method
First, the level of measurement 1, level 2, the standard scale 3, the difference between the law 4, instrument high law