Ultra-durable concretes: Structure at the micro- and nanoscale

被引：49
|
作者：
Vernet, CP [1 ]
机构：
[1] Lafarge, Cent Rech Lab, F-38291 St Quentin Fallavier, France
来源：
MRS BULLETIN | 2004年 / 29卷 / 05期
关键词：
durability; microstructure; ultrahigh-performance concrete;
D O I：
10.1557/mrs2004.98
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ultrahigh-performance concretes (UHPCs) are obtained by optimizing several technologies: minimizing the amount of water added, using superplasticizers and a wide particle size distribution, and packing the particles to improve fluidity with minimized water additions and to optimize load-carrying capacity. Fibers can be incorporated to increase ductility, leading to ultrahigh-performance fiber-reinforced concretes (UHPFRCs). Such enhanced concretes can approach the compressive strength of steel, with a remarkable improvement in durability. UHPCs offer new solutions for innovative construction, especially in aggressive environments.
引用
收藏
页码：324 / 327
页数：4
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