A Setting Pre-Angle Method in Multi-Steps Construction of Long-Span Steel Structures

Abstract:

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Many long-span structures have to be divided into several substructures to manufacture simultaneously and ensemble by multi-steps. Based on the engineering practice that pre-angles can be set at joint nodes between pre-erected and after-erected substructures by inter-node design, this paper proposes that the pre-erected substructures can be analyzed independently with finite element method(FEM) to ensue safety of the semi-complete structure system, and the displacement of joint nodes can server as boundary constraint of after-erected substructures after the rotational components are relaxed, the theoretical basis and solution algorithm is described also. The analysis of a typical case proves that this method make the after-erected substructures facilitated more easily.

Info:

Periodical:

Advanced Materials Research (Volumes 250-253)

Edited by:

Guangfan Li, Yong Huang and Chaohe Chen

Pages:

2787-2791

DOI:

10.4028/www.scientific.net/AMR.250-253.2787

Citation:

D. Z. Pan and D. M. Wei, "A Setting Pre-Angle Method in Multi-Steps Construction of Long-Span Steel Structures", Advanced Materials Research, Vols. 250-253, pp. 2787-2791, 2011

Online since:

May 2011

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Price:

$38.00

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