CONSTRUCTING METHOD FOR SHAFT HAVING WALL WITH VARIED THICKNESS

摘要

PROBLEM TO BE SOLVED: To vary the wall thickness in the vertical direction and to allow construction of a floor in a stepped part by means of a slide form construction method. SOLUTION: When a stage 4 reaches the predetermined height, an auxiliary frame 9 is installed to its outer circumference, and a mold 8 and a hydraulic jack 6 are removed and installed to the auxiliary frame 9, so that the thickness of a concrete wall C is reduced in the part constructed afterward, and a floor part D is formed when a floor plate 11 of a half PC plate is placed to the stepped part and concrete is placed.