Study on properties of self-compacting concrete modified with nanoparticles

被引：50

作者：

Niewiadomski, Pawel ^{[1
]}

Hola, Jerzy ^{[1
]}

Cwirzen, Andrzej ^{[2
]}

机构：

[1] Wroclaw Univ Sci & Technol, Fac Civil Engn, Wybrzeze Wyspianskiego 27, PL-50370 Wroclaw, Poland

[2] Lulea Univ Technol, Dept Civil Environm & Nat Resources Engn, S-97187 Lulea, Sweden

来源：

ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING | 2018年 / 18卷 / 03期

关键词：

Self-compacting concrete; Nanoparticles; Rheological properties; Physical properties; Mechanical properties; CEMENT-BASED MATERIALS; DURABILITY PROPERTIES; FRACTURE-TOUGHNESS; FLY-ASH; NANO-SIO2; MICROSTRUCTURE; NANOSILICA; MORTAR; PASTE; NANO-TIO2;

D O I：

10.1016/j.acme.2018.01.006

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The paper presents the results of studies of a total of 11 series of self-compacting concrete, which were modified with different amounts of the following nanoparticle additives: SiO2, TiO2 and Al2O3, and also a reference concrete without the addition of nanoparticles. The study included the rheological properties of concrete mixes and the physical and mechanical properties of a hardened self-compacting concrete. The characteristics of air pores obtained using a computer image analyser and analysis of a microstructure with the use of a computer microtomograph are also presented. The paper contains the results of tests of compressive strength, flexural strength, hardness and elastic modulus, which were obtained using the nanoindentation technique. The obtained results were analyzed and commented on. (C) 2018 Published by Elsevier Sp. z o.o. on behalf of Politechnika Wroclawska.

引用

页码：877 / 886

页数：10

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