METHOD FOR CONSTRUCTING TOWER CRANE AND D-COUPLER THEREOF FOR EXACTLY SETTING INSTALLATION HORIZONTAL DEGREE BY APPLYING TO AUTO CLIMBING SYSTEM

摘要

PURPOSE: A construction method of a tower crane is provided to exactly set an installation horizontal degree of the tower crane by burying a D-coupler to be preset a connecting position between a core wall and the tower crane. CONSTITUTION: A base member having a hole to assemble a D-coupler is installed in a certain position to install a tower crane on a first frame for forming a core wall(50). The D-coupler is assembled in the hole to combine a bolt(101) for fixing a steel-frame beam(100) of the tower crane. A concrete is poured between the first frame and a second frame after assembling a steel frame and the second frame on the base member by fitting to the thickness of the core wall. The first frame and the second frame are removed after curing and hardening the concrete. The steel-frame beam is inserted and combined with the D-coupler through the upper part of the exposed D-coupler on the surface of the concrete core wall by using a fixing bolt. Thereby, the stability of a construction is increased and the lay-out of the construction is set easily.