Nanomaterials in ultra-high-performance concrete (UHPC)-A review

被引：162

作者：

Yoo, Doo-Yeol ^{[1
]}

Oh, Taekgeun ^{[1
]}

Banthia, Nemkumar ^{[2
]}

机构：

[1] Hanyang Univ, Dept Architectural Engn, 222 Wangsimni Ro, Seoul 04763, South Korea

[2] Univ British Columbia, Dept Civil Engn, 6250 Appl Sci Lane, Vancouver, BC V6T 1Z4, Canada

来源：

CEMENT & CONCRETE COMPOSITES | 2022年 / 134卷

基金：

新加坡国家研究基金会;

关键词：

Ultra -high-performance concrete; Nanomaterials; Fresh property; Mechanical strengths; Durability; Functional material; REACTIVE POWDER CONCRETE; EARLY-AGE PROPERTIES; NANO-SILICA; MECHANICAL-PROPERTIES; CEMENTITIOUS COMPOSITES; RHEOLOGICAL PROPERTIES; AUTOGENOUS SHRINKAGE; COMPRESSIVE STRENGTH; FLEXURAL STRENGTH; CARBON NANOTUBES;

D O I：

10.1016/j.cemconcomp.2022.104730

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper presents a state-of-the-art review of the utilization of nanomaterials in ultra-high-performance concrete (UHPC). First, various types of nanomaterials currently available for use in UHPC are summarized and their geometric and physical properties are analyzed. Then, the effects of nanomaterials on the packing density and fresh properties of UHPC are addressed. The hydration kinetics and mechanical properties of UHPC, such as the interfacial bonding, compressive strength, tensile and flexural responses, and nano-mechanical properties, are analyzed according to the nanomaterial type and dosage. Based on the data acquisition and analysis, the optimal dosages of nanomaterials for strength enhancements of UHPC are suggested. The influence of nanomaterials on the durability-related properties, such as the porosity, water sorptivity and permeability, sulfate attack, abrasion resistance, corrosion resistance, freeze-thaw resistance, fatigue performance, and shrinkage, are also investigated. Finally, nanomaterial-based functional UHPCs with electrical, self-sensing, and electromagnetic shielding properties are reviewed and discussed.

引用

页数：28

共 171 条

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