Study on Frost-Salt Resistance of Fly Ash Concrete-Reference-Cited by-同舟云学术

Study on Frost-Salt Resistance of Fly Ash Concrete

Published:2012-11 Issue: Volume:598 Page:432-437
ISSN:1662-8985
Container-title:Advanced Materials Research
language:
Short-container-title:AMR

Author:

Sun Cong Tao¹,Li Wei Hua¹,Hou Bao Rong²

Affiliation:

1. Institute of Oceanology Chinese Academy of Science,

2. The Chinese Academy of Science

Abstract

Accelerated frost-salt tests of fly ash concrete were carried out, through which the influence of water-binder ratio, volume of fly ash, air-entraining content on the frost-salt resistance of concrete were discussed, and the variation of surface characteristics, weight loss rate, relative dynamic modulus of concrete elasticity with the number of freeze-thaw cycles were investigated. The weight loss of specimens is above 5 percent; Water-binder ratio has decisive influence on the frost-salt resistance of concrete; concrete with suitable volume of fly ash can also increase the standard of frost-salt resistance; there is a critical air-entraining content which can improve the frost-salt resistance by the greatest extent. The relationship between dynamic modulus of elasticity and compressive strength are established. And also, calculation formula for the cycle number of frost-salt resistance is proposed.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Link

https://www.scientific.net/AMR.598.432.pdf

Reference5 articles.

1. GB/T 50082-2009, Standard for test method of long-term performance and durability of ordinary concrete[S]. Beijing.

2. Marchand J., Pigeon M., Bager D. et al．ACI Materials Journal, 1999, 96(4): 429-435.

3. Shiyuan Huang, Quanbing Yang. Communications Science and Technology Heilongjiang, 2000(S1): 45-55 In Chinese.

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5. CCES 01-2004, Guide to Durability Design and Construction of Reinforced Structures[S]. Beijing: China Architecture and Building Press.

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