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標題: A monitoring method for scaffold-frame shoring systems for elevated concrete formwork
作者: Huang, Y.L.
Chen, W.F.
Chen, H.J.
Yen, T.
Kao, Y.G.
Lin, C.Q.
關鍵字: scaffold;shore;monitor;construction;collapse;deflection;load;formwork;falsework;construction;buildings
Project: Computers & Structures
期刊/報告no:: Computers & Structures, Volume 78, Issue 5, Page(s) 681-690.
This article proposes a monitoring method to prevent scaffold-frame shoring systems, used as a falsework for an elevated concrete formwork, from collapse. Basically, if a scaffold-frame shoring fails, it fails in buckling failure mode. To avoid the buckling failure, it is recommended that two parameters, axial forces and lateral displacements, be monitored in the field. The allowable axial forces and displacements for these two parameters as well as the locations of the monitoring instruments to be installed are proposed based on analysis and full-scale laboratory experiments. A data gathering real-time analysis program should be combined with the monitoring process so that warning signals can be issued in advance of the collapse, The whole monitoring process including the alert giving can be managed using a personal computer. A flowchart to show this management is also proposed herein. Finally, a site test has been performed, and the test result indicates that the suggested monitoring method is basically applicable. (C) 2000 Elsevier Science Ltd. All rights reserved.
ISSN: 0045-7949
DOI: 10.1016/s0045-7949(00)00051-1
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