after studying the hardened concrete properties index and cement properties index, and got that there were no significant relationship between them.
研究了硬化混凝土性能指标与目前水泥性能指标的关系,结果表明,两者之间没有良好的相关关系。
the main cause leading to the disqualification of cement soundness in hardened concrete is excessive f-cao or magnesia in the cement mixture.
在已硬化砼中水泥安定性不合格的主要原因是水泥熟料矿物中含有过多游离氧化钙或游离氧化镁 。
testing hardened concrete - part 7: density of hardened concrete.
硬化混凝土试验。第7部分:硬化混凝土密度。
this paper discusses a fastener method called penetration resistance method to determining strength of hardened concrete in situ.
本文介绍一种用于现场检测硬化混凝土强度的方法——射钉法。