Installation construction method for tied-arch bridge arch rib

• Main Authors: LAI JIANCHANG, YANG GANQIN, ZHOU WENYUAN, RUI YONGGAN, LI ZHONGWEI, WEI XIANBIN, WANG CHENGYUAN, ZHANG LIKAI, ZUO SONGTING
• Format: Patent
• Language: Chinese; English
• Published: 10.07.2020
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The invention discloses an installation construction method for a tied-arch bridge arch rib. Arch ribs are pre-assembled before being transferred to a construction site to be assembled, so that the arch ribs conveyed to the construction site meet the construction requirement, the construction progress is guaranteed; the assembling and positioning accuracy of the arch ribs on the construction siteis high, and the assembling quality is guaranteed. When the tied-arch bridge arch rib is installed, a plurality of arch rib sections needed for assembling the arch rib are machined in a factory, so that the size of the arch rib sections meets the design requirement of the arch rib. After the arch rib sections are machined, scanning is conducted, simulated assembling is conducted on the scanned arch rib sections on a computer, a pre-assembled scanning model is compared with a BIM three-dimensional model built on the computer, the positions which do not conform to the BIM three-dimensional modelare found out, and the ar