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首页> 外文会议>International conference on structural analysis of historic constructions >Influence of Sulphate on the Moisture Movement of Calcium Silicate Brick Masonry Wall
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Influence of Sulphate on the Moisture Movement of Calcium Silicate Brick Masonry Wall

机译：硫酸盐对硅酸钙砖砌体墙体水分运动的影响

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This paper presents the behaviour of moisture movement of calcium silicate brick masonry walls exposed to sodium sulphate environment. The walls were exposed to three sodium sulphate conditions with sulphate concentrations of5%, 10% and 15%. For comparison, some walls were also exposed to dry and wet condition which acts as a control conditions. All specimens were prepared and cured under polythene sheet for 14 days in a controlled environmental room and maintained at relative humidity and temperature of 80 ± 5% and 25 ± 2°C, respectively. After the curing period, the specimens were exposed to sodium sulphate as well as drying and water exposures, during which moisture movement was measured and monitored for a period of up to 7 months. As a result, the moisture expansion was observed and recorded for all masonry wall specimens after exposed to the sulphate condition.
机译：本文介绍了暴露于硫酸钠环境下的硅酸钙砖砌体墙的水分运动行为。将壁暴露于硫酸盐浓度为5％，10％和15％的三种硫酸钠条件下。为了比较，一些壁还暴露于干燥和湿润的条件下作为对照条件。制备所有样品并在聚乙烯板下在可控环境室中固化14天，并分别保持在80±5％的相对湿度和25±2°C的温度下。固化期后，将样品暴露于硫酸钠以及干燥和暴露于水的过程中，在此过程中测量并监测水分的运动长达7个月。结果，在暴露于硫酸盐条件后，观察并记录了所有砌体墙样品的水分膨胀。

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