Improving Sustainability through Corrosion Resistance of Reinforced Concrete by Using a Manufactured Blended Cement and Fly Ash

被引：11

作者：

Campos Silva, Hector Gerardo ^{[1
]}

Garces Terradillos, Pedro ^{[2
]}

Zornoza, Emilio ^{[2
]}

Manuel Mendoza-Rangel, Jose ^{[1
]}

Castro-Borges, Pedro ^{[3
]}

Juarez Alvarado, Cesar Antonio ^{[1
]}

机构：

[1] Univ Autonoma Nuevo Leon, Fac Ingn Civil, Nicolas De Los Garza 66455, Nuevo Leon, Mexico

[2] Univ Alicante, Escuela Politecn Super, Dept Ingn Civil, San Vicente Del Raspeig 03690, Spain

[3] Inst Politecn Nacl, Ctr Invest & Estudios Avanzados, Unidad Merida CINVESTAV Merida, Merida 97310, Yucatan, Mexico

来源：

SUSTAINABILITY | 2018年 / 10卷 / 06期

关键词：

fly ash; corrosion; durability; SEWAGE-SLUDGE ASH; PORTLAND-CEMENT; ACCELERATED CONDITIONS; CARBONATION; MORTARS; FINENESS; CATALYST; STRENGTH; BEHAVIOR; PASTES;

D O I：

10.3390/su10062004

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The objective of this paper is to report the improvement of sustainability through the increase of reinforced concrete corrosion resistance by using a blended cement and fly ash. Different reinforced concrete mixtures were prepared with partial substitution of a manufactured blended cement with fly ash from a thermal power plant in Andorra (Teruel, Spain). These mixtures were manufactured using three different water/cement ratios (0.46, 0.59, and 0.70) and three substitution percentages of cement by fly ash (0%, 25%, and 50%). The test cylinders underwent an accelerated carbonation process and exposure to different chloride levels, with the aim of characterizing the corrosion level of the different mixtures. The addition of local FA matched or even improved the resistance of the control mixture against carbonation and chlorides.

引用

页数：15

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