WORK STAGE DEVICE FOR CONSTRUCTING STEEL TOWER AND STEEL TOWER CONSTRUCTION METHOD

Japanese Patent JP3553370

B

PROBLEM TO BE SOLVED: To improve the construction property by covering an opening through which a steel tower formed on a work stage main body is inserted with a movable floor plate and lifting and lowering them freely.
SOLUTION: A work stage device 1 is constituted by a first work stage part 4 and a second work stage part 7 at two upper and lower stages formed by work stage main bodies 2, 5 and movable floor plates 3, 6 and a lifting and lowering means 8. At the time of construction, a steel tower S to be constructed in an opening 2a of the main bodies 2, 5 is positioned and the floor plates 3, 6 are moved to block the opening 2a. Next, a process in which the floor plates 3, 6 are retracted from the opening 2a after the steel tower S is constructed by one step and the stages 4, 7 are lifted by one step by the lifting and lowering means 8 is repeated. Then, when an outer peripheral ring is constructed, a process in which the stages 4, 7 are lowered until a face of the stage 4 comes to the height corresponding to a bottom face of the outer peripheral ring to attach the outer peripheral ring is repeated, and the stages 4, 7 and a tower crane T are disassembled and removed at the final position. Consequently, the steel tower can be constructed safely and efficiently.

JP2934944	MOBILE WORKING TABLE
JP2010174517	METHOD FOR REMOVING DEPOSITION ON STRUCTURE, AND REMOVAL DEVICE USED FOR THE SAME
WO/1998/046516	ELEVATING WORK PLATFORM

Yoshikawa, Akio
Ikeda, Hirotoshi
Nishimura, Masahiro

JP1998000129330

May 14, 2004

May 12, 1998

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TAISEI CORP

E04G1/20; E04G3/00; E04H12/08; E04G1/18; E04G3/00; E04H12/00; (IPC1-7): E04G3/00; E04H12/08

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