Main tower and its application manner null of diagonal built

摘要

PURPOSE:To reduce construction cost by saving concrete and reinforcement bass and enable safe preservation and inspection. CONSTITUTION:An embedding frame 2 is installed in a reinforced concrete construction having a hollow section and provided with a lift ladder 3 and scaffold 4 for working. Also, a main tower intended to be built is provided in the inside with a lift ladder and working scaffold, and united embedding frames 2 jointed vertically to each other are provided on the outside with an outer frame 9. The installation of the embedding frame 2, rebanking of the outer frame 9 and placing of concrete between the embedding frame 2 and outer frame 9 are alternately carried out upward of the main tower.