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首页> 外文期刊>Magazine of Concrete Research >Precast alkali-activated concrete towards sustainable construction
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Precast alkali-activated concrete towards sustainable construction

机译：预制碱活化混凝土走向可持续建筑

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摘要

Currently, the development of durable eco-efficient materials is a priority for the construction sector. In this regard, the alkaline activation of fly ash is a promising solution: it allows ordinary Portland cement (OPC), responsible for 5% of carbon dioxide emissions worldwide, to be replaced by an industrial by-product. Moreover, the resulting alkali-activated concrete (AAC) also presents an advantage, compared to OPC-based concrete, in terms of enhanced durability. The project herein described combines the huge advantage of AAC for the sustainability of the construction sector with the intrinsic characteristics of AAC that make it most suitable for the precast industry. The prefabrication of AAC facade panels was defined as the main goal, which makes this project one of the very few studies that refer to the production and the structural behaviour of AAC elements of considerable size. The following objectives were defined: (a) to study the properties of the AAC; (b) to develop the industrial production process of the AAC panels, including heat curing; and (c) to study the structural behaviour of the panels.
机译：当前，开发耐用的生态高效材料是建筑部门的优先事项。在这方面，粉煤灰的碱活化是一种很有前途的解决方案：它可以用工业副产品代替占世界二氧化碳排放量5％的普通波特兰水泥（OPC）。此外，与基于OPC的混凝土相比，所得的碱活化混凝土（AAC）在增强的耐久性方面也表现出优势。本文所述的项目结合了AAC在建筑业可持续发展方面的巨大优势以及使其最适合于预制行业的AAC固有特性。 AAC外墙板的预制被定义为主要目标，这使该项目成为为数不多的涉及相当大的AAC元件的生产和结构性能的研究之一。确定了以下目标：（a）研究AAC的特性； （b）发展AAC板的工业生产工艺，包括热固化； （c）研究面板的结构行为。

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  • 来源
    《Magazine of Concrete Research》 |2014年第12期|618-626|共9页
  • 作者

    Luis Filipe Brandao Ferreira; Hugo Sergio Sousa Costa; Ines Isabel Antunes Barata; Eduardo Nuno Brito Santos Julio; Paulo Maranha Nunes Tiago; Jorge Fernando Jordao Coelho;

  • 作者单位

    ICIST, Lisbon, Portugal, Department of Civil Engineering, University of Coimbra, Coimbra, Portugal;

    ICIST, Lisbon, Portugal, Department of Civil Engineering, Polytechnic Institute of Coimbra, Coimbra, Portugal;

    CIEPQPF, Coimbra, Portugal, Department of Chemical Engineering, University of Coimbra, Coimbra, Portugal;

    ICIST, Lisbon, Portugal, Department of Civil Engineering, Instituto Superior Tecnico, Technical University of Lisbon, Lisbon, Portugal;

    Department of Civil Engineering, Polytechnic Institute of Coimbra, Coimbra, Portugal, EC+A Projectos Eugenio Cunha & Associados Lda, Coimbra, Portugal;

    CIEPQPF, Coimbra, Portugal, Department of Chemical Engineering, University of Coimbra, Coimbra, Portugal;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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