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首页> 外文期刊>Magazine of Concrete Research >Municipal incinerated bottom ash use as a cement component in concrete
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Municipal incinerated bottom ash use as a cement component in concrete

机译：市政焚烧底灰用作混凝土中的水泥成分

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The characteristics of municipal incinerated bottom ash (MIBA) and its potential use as a cementitious component in concrete applications are examined through an analysis and evaluation of global experimental data. As raw feed in cement clinker production, MIBA can be incorporated at minor contents without compromising performance. To avoid damaging hydrogen gas expansive reactions arising due to the metallic aluminium in the ash, treatment of MIBA is required for use as cement components in cement, mortar and concrete. As such, thermal and chemical treatments, as well as tailored slow and wet grinding treatments, have been effective in improving performance. The hydrogen gas expansion associated with MIBA can beneficially contribute towards the lightweight properties required for aerated concrete, with the ash serving as an alternative to aerating agents and also contributing to strength development. Initial work on controlled low-strength materials has highlighted MIBA as a potential cement replacement material that can meet the low-strength requirements.
机译：通过对全球实验数据的分析和评估，研究了市政焚烧底灰（MIBA）的特性及其在混凝土应用中作为水泥成分的潜在用途。作为水泥熟料生产中的原料，可以在不影响性能的情况下以少量添加MIBA。为了避免由于灰烬中的金属铝而引起的有害的氢气膨胀反应，需要对MIBA进行处理以用作水泥，砂浆和混凝土中的水泥组分。这样，热处理和化学处理以及量身定制的慢磨和湿磨处理已经有效地改善了性能。与MIBA相关的氢气膨胀可以有利地提高加气混凝土所需的轻质性能，其中灰烬可以代替加气剂，也有助于提高强度。在控制低强度材料方面的初步工作突出了MIBA是一种可以满足低强度要求的潜在水泥替代材料。

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