Frost Scaling Resistance and Improvement of Concrete

Zhong Hua Li; Chao Su; Duo Deng; Jia Liang Yang; Heng Jiung Ba

doi:10.4028/www.scientific.net/AMM.507.368

Paper Titles

State-of-the-Art Report of Recycled Aggregate Concrete and Rapid Repair Concrete
p.343

Research on the Cement Matrix of Super Toughness Fiber Concrete
p.347

Laboratory Investigation on the Strength Characteristics of Cement-Treated Base
p.353

Experimental Study on the Additive Effects of Cyclic Freezing-Thawing on the Durability of Cement Soil
p.363

Frost Scaling Resistance and Improvement of Concrete
p.368

Dry-Mixed Antifreeze Concretes Design of Mixing and Performance of Antifreeze
p.373

Study the Strength Regularity of Recycled Masonry Mortar Produced with Recycled Ceramic Tiles
p.378

Experimental Study on the Mechanical Performance of Pumice Powder Cement Soil
p.383

Fabrication and Properties of New Building Materials by Reutilization Refractory Materials
p.388

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 507Frost Scaling Resistance and Improvement of...

Frost Scaling Resistance and Improvement of Concrete

Abstract:

In order to increase freeze-salt scaling resistance of concrete, improvement of fly ash, slag and air entraining agent on freeze-salt scaling resistance are researched according to the CDF method. The results show that the scaled mass and the dynamic modulus of elasticity loss rate of concrete are reduced by 20% to 36 % and 4 % to 55 %. The microstructure was more denser compared with the control concrete after 28 cycles as a result of adding mineral admixture and air entraining agent into concrete. The freeze-salt scaling resistance of concrete is improved. The freeze-salt resistance of concrete mixed with ground slag is superior to fly ash concrete. The damage of concrete is mainly surface scaling during salts frost.

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Periodical:

Applied Mechanics and Materials (Volume 507)

Pages:

368-372

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.507.368

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Online since:

January 2014

Authors:

Zhong Hua Li, Chao Su, Duo Deng, Jia Liang Yang, Heng Jiung Ba

Keywords:

Dynamic Modulus of Elasticity, Mineral Admixture, Scaled Mass

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