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Analysis of construction loads on concrete formwork

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Analysis of construction loads on concrete formwork

Alamin, Basher (1999) Analysis of construction loads on concrete formwork. Masters thesis, Concordia University.

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Abstract

This study presents analytical procedures for determining the loads on the shoring system and supporting slabs during the construction of multistory concrete buildings and for determining the lateral pressures imposed by fresh concrete against the wall forms. The procedures assume two-dimensional frame models, which employ both the analysis computer program (CPF) and the maturity-based model. The interaction of structure and compressible shoring, time-dependent concrete properties of strength, creep and shrinkage of concrete and the change in construction load during construction cycles are considered in the shoring system analysis. For wall formwork analysis, the time-dependent concrete properties of strength and the properties of wall-element parts are considered. The analytical results obtained by both the shoring system and the wall formwork analyses are checked against the field measurements and several existing methods. Various parameters that affect the construction load distribution among shores and reshores and interconnected slabs. and the fresh concrete pressure distribution on wall formwork are investigated. The present method can be used to design and construct safe and economical concrete structures, especially during concrete placing and formwork removal operations.

Divisions:Concordia University > Faculty of Engineering and Computer Science > Building, Civil and Environmental Engineering
Item Type:Thesis (Masters)
Authors:Alamin, Basher
Pagination:xvii, 193 leaves : ill. ; 29 cm.
Institution:Concordia University
Degree Name:Theses (M.A.Sc.)
Program:Building, Civil and Environmental Engineering
Date:1999
Thesis Supervisor(s):Moselhi, Osama
ID Code:862
Deposited By:Concordia University Libraries
Deposited On:27 Aug 2009 13:14
Last Modified:08 Dec 2010 10:17
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