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Predictive service life analysis of characteristic applications of zeolite concrete in building structures

机译：沸石混凝土在建筑结构中的典型应用的预测使用寿命分析

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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.
机译：本文提出了一种以天然沸石作为辅助胶结材料的混凝土建筑围护结构的使用寿命预测分析。可能导致出现冻融循环并导致随后的机械损坏的热和湿气耦合传输被认为是主要的损坏机制。使用基于有限元方法的数值分析来预测水分和温度场。作为边界条件，利用了布拉格的动态气候数据。四种不同类型的沸石混凝土被用作承载结构。假定所分析的建筑物围护结构没有任何表层，也没有提供内部和外部灰泥。最复杂的情​​况是带有膨胀聚苯乙烯作为隔热层并在两面都涂有灰泥的信封。计算结果表明，应考虑混凝土应用的具体条件，谨慎选择混凝土混合物中的沸石含量。

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