Mixture-proportioning of economical UHPC mixtures

被引：116

作者：

Alsalman, Ali ^{[1
,2
]}

Dang, Canh N. ^{[3
,4
]}

Marti-Vargas, Jose R. ^{[5
]}

Hale, W. Micah ^{[1
]}

机构：

[1] Univ Arkansas, Dept Civil Engn, 4190 Bell Engn Ctr, Fayetteville, AR 72701 USA

[2] Tatum Smith Engineers Inc, Rogers, AR 72758 USA

[3] Ton Duc Thang Univ, Dept Management Sci & Technol Dev, Ho Chi Minh City, Vietnam

[4] Ton Duc Thang Univ, Fac Civil Engn, Ho Chi Minh City, Vietnam

[5] Univ Politecn Valencia, Inst Concrete Sci & Technol ICITECH, Valencia, Spain

来源：

JOURNAL OF BUILDING ENGINEERING | 2020年 / 27卷

关键词：

Ultra-high performance concrete; Economical mixture; Curing regimen; Fly ash; Steel fiber; HIGH PERFORMANCE CONCRETE; MECHANICAL-PROPERTIES; DURABILITY; STRENGTH; BEHAVIOR;

D O I：

10.1016/j.jobe.2019.100970

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Ultra-High Performance Concrete (UHPC) offers innovative applications to concrete structures based on enhanced mechanical properties. The use of local materials is necessary to reduce the UHPC cost and save materials and energy. This research focuses on developing economical UHPC mixtures using locally available materials. A testing program, including 51 concrete mixtures, is developed to evaluate the effect of different fine materials, supplementary cementitious materials, steel fibers, curing regimens, and mixers type. The amount of steel fibers and type of fine materials are influential factors to the concrete cost. Mixer type does not have a significant influence on UHPC strength. By using a binder content of 1163 kg/m(3) and incorporating fly ash as a part of the binder by 40% by weight, the cost was $283/m(3) without steel fibers.

引用

页数：15

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