One-time in-place splicing control method for large-span arch bridge pre-splicing manufacturing

The invention discloses a one-time in-place splicing control method for large-span arch bridge pre-splicing manufacturing, and relates to the technical field of bridge design. The method specifically comprises the steps that S1, three-dimensional scanning is conducted on arch rib sections to be asse...

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Hauptverfasser: ZHANG HONG, HUANG XINGSHENG, YANG JUN, WANG XIANG, NI HONG, HE HONGTAO, ZHOU YIN, ZHU JINYU, XIN JINGZHOU, XIANG JUNJIE, ZHOU JIANTING, CAI GUOQING, YU HELU
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creator ZHANG HONG
HUANG XINGSHENG
YANG JUN
WANG XIANG
NI HONG
HE HONGTAO
ZHOU YIN
ZHU JINYU
XIN JINGZHOU
XIANG JUNJIE
ZHOU JIANTING
CAI GUOQING
YU HELU
description The invention discloses a one-time in-place splicing control method for large-span arch bridge pre-splicing manufacturing, and relates to the technical field of bridge design. The method specifically comprises the steps that S1, three-dimensional scanning is conducted on arch rib sections to be assembled, and an actual arch rib point cloud model is obtained; s2, performing optimal matching on the actual arch rib point cloud model and the theoretical arch rib point cloud model to obtain an optimal pre-splicing posture of the arch rib; s3, extracting the center line of the optimal pre-splicing posture of the arch rib; s4, calculating the three-dimensional coordinates of the jig frame under the optimal pre-splicing posture of the arch rib; s5, pretreatment is conducted before the to-be-assembled arch rib is placed; and S6, the arch rib to be assembled is placed on the jig frame with the determined three-dimensional coordinates, and arch rib entity pre-assembling posture adjustment work is completed. According to
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The method specifically comprises the steps that S1, three-dimensional scanning is conducted on arch rib sections to be assembled, and an actual arch rib point cloud model is obtained; s2, performing optimal matching on the actual arch rib point cloud model and the theoretical arch rib point cloud model to obtain an optimal pre-splicing posture of the arch rib; s3, extracting the center line of the optimal pre-splicing posture of the arch rib; s4, calculating the three-dimensional coordinates of the jig frame under the optimal pre-splicing posture of the arch rib; s5, pretreatment is conducted before the to-be-assembled arch rib is placed; and S6, the arch rib to be assembled is placed on the jig frame with the determined three-dimensional coordinates, and arch rib entity pre-assembling posture adjustment work is completed. 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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
title One-time in-place splicing control method for large-span arch bridge pre-splicing manufacturing
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