The insulated structural sandwich panel is a composite laminated structure, made of two stiff skin faces and lightweight thick core. The low-density low-shear rigidity laminated think core (foam, honeycomb) is structurally connected to the laminated skin faces by structural adhesive. The rigid skin (concrete, steel, wood) faces provide high bending stiffens for such lightweight structure, while the core resist the local buckling of the skin faces. The time-dependent deflection behaviour of the concrete insulated panel (CIP) varies with the change of the span-to-depth ratio for the instantaneous deflection, and the cyclic change of temperature and relative humidity over time. This paper discusses the nonlinear theoretical analysis for long-term creep deflection under sustained load that accounts for loads, time, temperature and relative humidity.
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Citation:
Sayed-Ahmed, M. (June, 2013). Nonlinear Time-Dependent Behaviour of Concrete Insulated Panel. Concrete Research Letters, ISSN 2180-1371, Vol. 4, Issue 2, pp. 591-597.
