Snap-through buckling of plastic-glassy sheeting

Pao Yue-kong Library Electronic Theses Database

Snap-through buckling of plastic-glassy sheeting

 

Author: Tse, Kit-kwong
Title: Snap-through buckling of plastic-glassy sheeting
Degree: M.Sc.
Year: 1999
Subject: Plastic analysis (Engineering)
Structural analysis (Engineering)
Finite element method
Nonlinear theories
Buckling (Mechanics)
Hong Kong Polytechnic University -- Dissertations
Department: Multi-disciplinary Studies
Dept. of Civil and Structural Engineering
Pages: 158 leaves : ill. ; 30 cm
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b1480002
URI: http://theses.lib.polyu.edu.hk/handle/200/113
Abstract: Plastic-glassy sheeting is commonly used as covering plates for canopy, skylight, barrel vault to educational and institutional glazing requiring the passing through of sunlight and aesthetic out-look. The advantage of the material is the low-cost, and energy efficient due to the daylighting effect. With its inherent design flexibility, this sheeting can be cut or cold-formed on site during installation without the pre-forming and fabrication associated with glass or acrylic. It is lightweight and requires less structural support compared to all-glass systems, saving additional time and labour costs. Further, its durability and energy efficiency add up to long term cost savings, too. This dissertation describes the snap-through type buckling behaviour for the curved and flat sheeting under static load using the geometrically non-linear finite element method. The buckling load of a typical glassy sheet system and the failure load with different configurations, boundary conditions and loading patterns are reported and tabulated against negative and positive wind pressure, and the avoidance of snap through buckling will be discussed against these parameters.

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