This study examined low-binder ultrahigh-performance concrete (UHPC) when nanosilica (NS) and/or microsilica (MS) were incorporated in Portland cement (PC) in either binary or ternary blends. Two groups were created for this purpose, and they were divided based on the presence or absence of silica flume (SF). NS was used as a restricted substitute for cement by weight at five different percentages (0%, 0.5%, 1%, 2% and 3%). The total binder was 800 kg/m³, and the ratio of water to binder was 1:5. Results demonstrated that optimum resistance to chloride permeability, gas permeability, sorptivity, water absorption and water penetration came from the 3% UHPC sample. The ternary blends of NS, PC and SF yielded better results than binary PC and NS blends. A 1% NS replacement gave similar effects to the UHPC properties investigated as a 10% MS replacement.

这项研究研究了将纳米二氧化硅（NS）和/或微二氧化硅（MS）以二元或三元混合物的形式掺入波特兰水泥（PC）中时的低粘结剂超高性能混凝土（UHPC）。为此目的创建了两个组，并且根据是否存在硅粉槽（SF）将其划分。以5个不同的百分比（0％，0.5％，1％，2％和3％）将NS用作水泥的限重替代品。粘合剂总量为800 kg / m ³，水与粘合剂的比例为1：5。结果表明，对氯离子渗透性，气体渗透性，吸附性，吸水率和水渗透性的最佳抵抗力来自3％的UHPC样品。NS，PC和SF的三元混合物比二元PC和NS的混合物产生更好的结果。1％的NS替代品与10％的MS替代品具有与所研究的UHPC性能相似的效果。