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The Role of Application Techniques for High Performance Traditional Renders

机译：应用技术对高性能传统渲染的作用

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Traditional renders based on lime had an aesthetic as well as a protective role for the historic masonry. They were applied in layers in order to ensure good adhesion and cohesion with the substrate but also in order to be junctional. The technology of each layer was different in relation to the maximum grain size of the aggregates and the binder/aggregate ratio. Main requirements were the high water vapor permeability, the low water retention in order to avoid salt formation and the capacity of water absorption by capillarity of each layer should increase outwards. As moisture has a detrimental role in the thermal behavior of materials, an effort has been made to record the effect of layering in energy properties. Lime-based renders were tested in relation to their hybrid properties when different application techniques were followed. Two-layer renders with different technological characteristics in each layer were produced. Their behavior, in various deterioration mechanisms such as capillarity, external water uptake (measured by karsten tubes) and water vapor permeability was monitored. It seems that low porosity and adequate permeability is achieved in two-layer renders while the thermal conductivity was effective.
机译：基于石灰的传统渲染具有美学以及历史悠久的砖石的保护作用。它们以层施加，以确保与基材的良好粘附和内聚力，但也为了被连接。各层的技术与聚集体的最大粒度和粘合剂/聚集比的最大粒度不同。主要要求是高水蒸汽渗透性，低保水性以避免盐形成和通过每层毛细管的吸水能力应增加。由于水分在材料的热行为中具有不利作用，因此已经努力记录分层在能量性质中的作用。当遵循不同的应用技术时，基于石灰的渲染测试。生产各层具有不同技术特性的两层呈现。监测它们在诸如毛细血管性等各种劣化机制的行为，监测外部水吸收（通过karsten管测量）和水蒸气渗透性。似乎在两层渲染中似乎在两层渲染中实现了低孔隙率和足够的渗透性，而导热率是有效的。

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