Effects of Controlled Permeability Formwork on Surface Properties and early Age Shrinkage of Concrete

Jun Ying Lai; Xiao Qian Qian; Shu Lin Zhan; Min Hui Fang

doi:10.4028/www.scientific.net/KEM.477.359

Paper Titles

Fire Resistance of Ultra-High-Strength Concrete: a Review
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Study on the Delayed Ettringite Formation in Massive Shrinkage Compensating Concrete with U-Type Expansive Agent
p.340

Effect of Curing Condition on Structure and Scaling Resistance of Specified Density Concrete
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Influence of Permeability of HCSA Expansive Agent on High Volume Fly Ash Concrete
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Effects of Controlled Permeability Formwork on Surface Properties and early Age Shrinkage of Concrete
p.359

Influence of Mineral Admixtures on the Carbonation Resistance and Chloride Permeability of Steam-Cured HPC
p.366

A Study on early Shrinkage of Recycled Concrete
p.375

Influence of the Pretreatment on the Concrete Chloride Diffusion Coefficient
p.382

Effects of Reducing Sodium Chloride Concentration on the Results of Coulomb Electric Flux
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 477Effects of Controlled Permeability Formwork on...

Effects of Controlled Permeability Formwork on Surface Properties and early Age Shrinkage of Concrete

Abstract:

Concrete durability is one of the most important considerations in the design of new structures in aggressive environments. It generally depends on the quality of the concrete surface and the cracks of concrete. In this paper, the rebound numbers of concrete cast using controlled permeability formwork (CPF) and ordinary steel formwork were determined. And the early age shrinkages of concrete cured in dry environment of 20±2°C, 75±5% RH, in sealed condition with plastic film and in covered condition with CPF liner were measured. Testing results indicated that CPF could improve the concrete surface hardness and reduce the early age shrinkage of concrete. So CPF can enhance concrete durability and prolong its life-span.

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Periodical:

Key Engineering Materials (Volume 477)

Pages:

359-365

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.477.359

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Online since:

April 2011

Authors:

Jun Ying Lai, Xiao Qian Qian, Shu Lin Zhan, Min Hui Fang

Keywords:

Concrete, Controlled Permeability Formwork, Durability, Shrinkage

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