Predictive Service Life Analysis Of
Characteristic Applications Of Zeolite Concrete
In Building Structures
Author(s)
V. Kočí, M. Jerman, J. Maděra & R. Černý
Abstract
Service life prediction analysis of a building envelope made of concrete
containing natural zeolite as supplementary cementitious material is presented in
the paper. Coupled heat and moisture transport, which can cause the appearance
of freeze/thaw cycles leading to subsequent mechanical damage, is assumed as
the main damage mechanism. Moisture and temperature fields are predicted
using numerical analysis based on the finite element method. As boundary
conditions, the dynamic climatic data for Prague are utilized. Four different types
of zeolite concrete are applied as the load bearing structure. The analyzed
building envelope is assumed either without any surface layers or provided with
external and internal plasters. The most complex case is the envelope
with expanded polystyrene as a thermal insulation layer and plasters on both
surfaces. Computational results indicate that the amount of zeolite in the
concrete mix should be chosen with care, taking into account the specific
conditions of concrete application.
Keywords: natural zeolite, concrete, finite element method, heat and moisture
transport, climatic data, numerical analysis.
Keywords
natural zeolite, concrete, finite element method, heat and moisture
transport, climatic data, numerical analysis.
Related Book
Other papers in this volume
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