Journal
JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH
Volume 67, Issue 4, Pages 576-584Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jcsr.2010.12.004
Keywords
Geometric imperfections; Loading eccentricity; Joint tests; Cuplok joints; Scaffold systems
Funding
- Boral Formwork & Scaffolding Pty. Ltd. [LP0884156]
- Australian Research Council [LP0884156]
- Australian Research Council [LP0884156] Funding Source: Australian Research Council
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This paper describes the findings from various site measurements of geometric imperfections of support scaffold systems, also known as falsework in industry. The measurements consist of out-of-straightness of the standards (uprights), out-of-plumb of the frame and loading eccentricity between the timber bearer and the U-head screw jack. The measurements were taken from different support scaffold construction sites before the pouring of concrete, representing actual initial geometric imperfections and loading eccentricity encountered in practice. The paper also reports the results of support scaffold joint tests. The tests were performed on randomly chosen used components to investigate the joint stiffness for rotations about vertical and horizontal axes. Tests were performed for various joint configurations (two-way, three-way, and four-way connections), bending axes, and loading directions. The statistical analysis of the data is presented in the paper for practical application in modelling and probabilistic assessment of support scaffold systems. (C) 2010 Elsevier Ltd. All rights reserved.
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