使用高发泡混凝土的隔热基础和楼板

Jones, A. Giannakou
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引用次数: 11

摘要

泡沫混凝土由胶凝体或砂浆和预制泡沫组成,具有许多吸引人的特性,也许最有用的是其优异的隔热性能,因此它可以被归类为可控热填充(CTF)。虽然泡沫混凝土被广泛用作简单的回填体,但它可以很容易地设计出特定的密度(800-1600 kg/m3)、流动特性(100-300 mm扩散)、强度(通常小于10 MPa)和隔热性能(0.2-0.6 W/mK)。这些特性使其成为房屋建筑的理想材料,特别是用于提高基础和楼板的热效率。本文从热工性能、主要工程性能、渗透性和耐久性等方面考察了一系列用于壕填地基和地坪的泡沫混凝土的性能。本文还讨论了采用粉煤灰(低石灰、细灰和粗灰)技术的辅音优势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Thermally Insulating Foundations and Ground Slabs Using Highly-Foamed Concrete
Foamed concrete, comprising a cementitious paste or mortar together with preformed foam, has many attractive properties, perhaps the most useful being its excellent thermal insulation properties, and therefore it can be classified as controlled thermal fill (CTF). Although widely used as a simple backfill, foamed concrete can be designed easily for particular densities (800–1600 kg/m3), flow characteristics (100–300 mm spread), strength (typically less than 10 MPa), and thermal insulation performance (0.2–0.6 W/mK). These properties make it an ideal material for house construction, in particular, for enhancing the thermal efficiency of the foundations and ground slab. This paper examines the performance of a range of foamed concretes for trench fill foundations and ground slabs in terms of thermal performance and main engineering, permeation, and durability properties. The consonant advantages of using fly ash (low-lime, fine, and coarse) technology will also be discussed.
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