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Water and salt transport and storage properties of Msene sandstone

机译：Msene砂岩的水盐运移和储藏特性

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摘要

Basic water and salt transport and storage properties of Msene sandstone, a material frequently used in historical buildings on the Czech territory for many centuries, are studied in the paper. Moisture diffusivity and water vapor diffusion resistance factor represent the water transport parameters, sorption isotherm and water retention curve water storage parameters, ion binding isotherm the salt storage parameter and salt dispersion coefficient the salt transport parameter. Experimental results show that the analyzed material has mostly favorable water and salt transport and storage properties which can be attributed mainly to its open pore structure and to its negligible amount of small pores. As a consequence, a risk of damage due to salt crystallization and due to ice formation seems to be low for this material. This makes it appropriate for application in severe conditions, such as the permanent exposure to water or salt solutions.
机译：本文研究了Msene砂岩的基本水盐运移和存储特性，Msene砂岩是捷克领土上的历史建筑中经常使用的材料，已有数百年历史。水分扩散率和水蒸气扩散阻力因子分别代表输水参数，吸附等温线和保水曲线储水参数，离子结合等温线，储盐参数和盐分散系数和输盐参数。实验结果表明，所分析的材料具有最佳的水盐运移和存储性能，这主要归因于其开孔结构和小孔量可忽略不计。结果，对于该材料而言，由于盐结晶和由于形成冰而造成损坏的风险似乎较低。这使其适合在严苛条件下使用，例如长期暴露于水或盐溶液中。

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