EFFECT OF HARSH ENVIRONMENT ON PROPERTIES OF SELF COMPACTING CONCRETE

机译：恶劣环境对自密实混凝土性能的影响

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Concrete belongs to the materials which are often used in harsh environments. It can be exposed for instance to high temperatures, high mechanical loads or salt attack. In such conditions, even concretes with superior mechanical properties in normal conditions can be significantly damaged and their further use after surviving the effect of such environments is not clear. In this paper, effect of high temperatures on two types of self compacting concrete is studied. The experimental results show that the parameters that are most affected by the high-temperature exposure are liquid water transport parameters and compressive strength.Water vapor transport and storage properties are changed in lower extent and thermal parameters are not affected by high temperature in an unambiguous way.

机译：混凝土属于经常在恶劣环境中使用的材料。例如，它可能会暴露于高温，高机械负荷或盐分侵蚀的环境中。在这样的条件下，即使在正常条件下具有优异机械性能的混凝土也可能会受到严重损坏，在这种环境下幸存下来后是否进一步使用尚不清楚。本文研究了高温对两种类型的自密实混凝土的影响。实验结果表明，受高温影响最大的参数是液态水的输运参数和抗压强度，水蒸气的输运和储藏特性发生了较小的变化，热参数不受高温的影响明显。。

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来源
《第二届自密实混凝土设计、性能及应用技术国际研讨会(2nd International Symposium on Design,Performance and Use of Self-Consolidating Concrete SCC'2009-China)》|2009年|335-342|共8页
会议地点 Beijing(CN)
作者
Eva Vejmelkov(a); Milo(s) Jerman; Petr Konvalinka; Robert (C)ern(y);
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Department of Materials Engineering and Chemistry, Faculty of Civil Engineering,Czech Technical University in Prague, Th(a)ova 7,166 29 Prague 6,Czech Republic;

Department of Materials Engineering and Chemistry,Faculty of Civil Engineering, Czech Technical University in Prague,Th(a)ova 7,166 29 Prague 6,Czech Republic;

Experimental Center,Faculty of Civil Engineering,Czech Technical University in Prague,Th(a)kurova 7,166 29 Prague 6,Czech Republic;

Department of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical University in Prague, Th(a)ova 7, 166 29 Prague 6, Czech Republic;

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EFFECT OF HARSH ENVIRONMENT ON PROPERTIES OF SELF COMPACTING CONCRETE

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