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什么是混凝土的收缩？如何减少混凝土收缩？
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什么是混凝土的收缩？如何减少混凝土收缩？
时间：2022-02-28 20:55
关键词：
建筑结构
土木建筑工程
大学试题
工学
答案解析
<p> 混凝土在空气中结硬时体积缩小的现象。<br> 措施：加强混凝土的早期养护；减少水灰比；提高水泥强度等级，减少水泥用量；加强混凝土的密实振捣；选择弹性模量大的骨料；在构上预留伸缩缝、设置施工后浇带，配置一定数量的构造结构的构造钢筋等。</p>
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