Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Time-Varying Mechanical Analysis of Long-Span Spatial Steel Structures Integral Lifting during Construction Process

Version 1 : Received: 24 May 2023 / Approved: 26 May 2023 / Online: 26 May 2023 (10:44:09 CEST)

How to cite: Yang, Y.; Du, H.; Yao, G.; Ma, X.; Men, W. Time-Varying Mechanical Analysis of Long-Span Spatial Steel Structures Integral Lifting during Construction Process. Preprints 2023, 2023051922. https://doi.org/10.20944/preprints202305.1922.v1 Yang, Y.; Du, H.; Yao, G.; Ma, X.; Men, W. Time-Varying Mechanical Analysis of Long-Span Spatial Steel Structures Integral Lifting during Construction Process. Preprints 2023, 2023051922. https://doi.org/10.20944/preprints202305.1922.v1

Abstract

Improper lifting measures of long-span spatial steel structures during construction process may delay the construction period and even cause safety accidents. Few studies on long-span spatial steel structures considered time-varying mechanical characteristic during construction process. In order to achieve safe and efficient installation in a long-span spatial steel structure, this research presents a time-varying mechanical analysis of the synchronous and asynchronous integral lifting and a single and interlaced point’s asynchronous integral lifting analysis method of a long-span spatial steel structure. The results showed that in the case of asynchronous lifting of single point, the displacement influence on other members is related to the distance. The closer the distance from the lifting point, the greater the influence. In asynchronous integral lifting, the lifting point with large lifting force is first installed to the specified position, and the lifting point with small lifting force is installed to the specified position.

Keywords

long-span spatial steel structure; time-varying mechanical; integral lifting; construction process; displacement difference

Subject

Engineering, Civil Engineering

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