TECHNICAL PAPERS
Sep 1, 1997

Structural Modeling and Analysis of Modular Falsework Systems

Publication: Journal of Structural Engineering
Volume 123, Issue 9

Abstract

This paper presents a study on the structural modeling and analysis of modular falsework systems. The structural model of a two-story door-type modular falsework system is developed based on the observed behavior of full-scale tests. The effects of initial imperfections, connection stiffness, and boundary conditions are investigated. The use of simplified two-dimensional models for analyzing three-dimensional falsework assemblies is examined. The paper discusses the slippage of wooden shores as a possible cause of failure. The study concludes that the use of shoring extensions as the most significant factor that reduces the load-carrying capacity of modular falsework systems.

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References

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Chan, S. L.(1988). “Geometric and material nonlinear analysis of beam-columns and frames using the minimum residual displacement method.”Int. J. Numer. Methods in Engrg., 26, 2657–2669.
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Peng, J. L. (1994). “Analysis models and design guidelines for high-clearance falsework systems,” PhD dissertation, School of Civ. Engrg., Purdue University, West Lafayette, Ind.
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Yen, T., et al. (1993). “Research in preventing collapses of modular steel falsework in construction.”Res. Rep., Council of Labor Affairs, Taipei, Taiwan (in Chinese).
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Yen, T., et al. (1994). “Study of check lists and strength of various wooden shores used in construction.”Res. Rep., Council of Labor Affairs, Taipei, Taiwan (in Chinese).
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Yen, T., Chen, W. F., Lin, Y., Huang, Y. L., Chen, H. J., and Peng, J. L. (1995). “Study of the interaction between wooden shores and modular steel falsework and development of collapse warning system.”Res. Rep., Council of Labor Affairs, IOSH84-S121, Taipei, Taiwan (in Chinese).

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Published In

Go to Journal of Structural Engineering
Journal of Structural Engineering
Volume 123Issue 9September 1997
Pages: 1245 - 1251

History

Published online: Sep 1, 1997
Published in print: Sep 1997

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Authors

Affiliations

J. L. Peng
Assoc. Prof., Dept. of Constr. Engrg., Chaoyang Inst. of Technol., Taiwan, ROC.
A. D. E. Pan
Lect. Dept. of Civ. and Struct. Engrg., Univ. of Hong Kong, Pokfulam Rd., Hong Kong.
W. F. Chen
George E. Goodwin Distinguished Prof. and Head of Struct. Engrg., School of Civ. Engrg., Purdue Univ., West Lafayette, IN 47907.
T. Yen
Prof., Dept. of Civ. Engrg., Nat. Chung-Hsing Univ., Taiwan, ROC.
S. L. Chan
Prof., Dept. of Civ. and Struct. Engrg., Hong Kong Polytech. Univ., Hong Kong.

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