Cement Mortars Lightened with Rigid Polyurethane Foam Waste Applied On-Site: Suitability and Durability
Cement Mortars Lightened with Rigid Polyurethane Foam Waste Applied On-Site: Suitability and Durability
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DOI：
10.1007/978-3-319-78175-4_58
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发表时间：
2018-04
期刊：
影响因子：
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通讯作者：
C. Junco;S. Gutiérrez;J. Gadea;V. Calderón;Ángel Rodríguez
中科院分区：
文献类型：
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作者：
C. Junco;S. Gutiérrez;J. Gadea;V. Calderón;Ángel Rodríguez
分析了使用硬质聚氨酯泡沫废料减轻水泥砂浆的耐久性，补充了布尔戈斯大学建筑材料研究小组先前对其表征、制备和制造进行的研究。为了这项工作，建造了一个储藏室。砂浆使用两种类型的水泥：CEM II 和 IV；根据砂浆的用途和应用，用破碎的硬质聚氨酯泡沫废料（PFW）部分代替砂子，砂子体积的替代量为50%和75%。 28 天后，进行了与粘附力相关的适用性测试，3 个月后，进行了与硬度相关的适用性测试。调查结束后得出的结论是，用硬质聚氨酯泡沫废料骨料制成的砂浆很容易混合并在现场放置。涂抹砂浆 28 天后，在墙壁和地板上进行瓷砖涂层。对“原位”渲染进行了附着力测试和表面硬度测试。四年后，新的测试表明，现场使用的砂浆的附着力和表面硬度与实验室水平相似，足以用于这些常用砂浆的应用。
The durability of using cement mortars lightened with rigid polyurethane foam waste is analysed, adding to previous research on their characterization, preparation, and manufacture carried out by the Construction Materials Research Group, University of Burgos. For this work a storage hut was built. The mortars used two types of cement: CEM II and IV; the sand was partially substituted by shredded rigid polyurethane foam waste (PFW), with substitutions by volume of sand of 50% and 75%, in accordance with the use and application of the mortar. Suitability tests were performed, after 28 days had elapsed, in relation to adhesion and, after 3 months, in relation to hardness. Once the investigation was finished, it was concluded that the mortars made with aggregates of rigid polyurethane foam waste easily mixed and placed on-site. At 28 days from application of the mortars, a tile coating was executed on one wall and on the floor. Adherence tests and surface hardness test were performed on the “in situ” rendering. Four years later new tests sustain that the adherence and the surface hardness of the mortars applied on-site was similar to laboratory levels and is sufficient for the application of these commonly used mortars.