TEMPORARY STRUCTURAL BASE DIVERSION CONSTRUCTION METHOD IN FIELD ASSEMBLING ERECTION OF SINGLE LAYER LATTICE LARGE DOME STRUCTURE

摘要

PROBLEM TO BE SOLVED: To divert a temporary structural base in the field assembling erection of a single layer lattice large dome structure. ;SOLUTION: After a central part is constructed in advance and an outer peripheral part is completed, the central part which connects and crosslinks the central part and the outer peripheral part diagonally and partially and an intermediate part and the outer peripheral part in a circular arc shape of 60 angle in symmetry on both sides of it are completed to realize self-standing and stability. Consequently, according to the construction method by which the above procedures are expanded sequentially, an adjacent body of a triangle 1 formed by collecting four basic grids of isosceles triangle which is close to equilateral triangle is used to construct a dome roof structure. A fixing structural base for supporting a dome until it is lifted up is arranged at each joint 2 of the triangle 1, and a diversion structural base which can be diverted when a partial shell structure is completed is arranged at a joint 3 of the basic grids other than the above joint. Structural bases which can be removed every time the partial shell structure 4 is completed in the construction method are thinned out one by one to reduce its number and divert them in the next construction division.;COPYRIGHT: (C)1997,JPO