MATEC Web Conf.
Volume 238, 2018International Conference on Novel Functional Materials (ICNFM2018)
|Number of page(s)||4|
|Section||Composite, Oxide and Ultrafine Materials|
|Published online||26 November 2018|
Anti-acid Corrosion Property of Concrete Improved by Microstructure Optimizing
Research institute of highway ministry of transport, No.8 yard, Xi tu cheng Road, Hai-dian district, Beijing, China
2 Beijing Xin-Qiao Technology Development Co., LTD, No.8 yard, Xi tu cheng Road, Hai-dian district, Beijing, China
* Corresponding author: email@example.com
To enhance the performance of anti-acid erosion, silica fume, silicon nitride, organic silicone emulsion agent and fly ash ceramsite are all mixed into concrete as admixture. The acid corrosion environment is simulated by laboratory test. Compressive strength of concrete with different curing ages are tested. Compressive strength and pore distribution of concrete dipping in sulphate and in hydrochloride for 90d are tested. The result shows that concrete with additional materials has better anti-acid corrode performance than the common one. The compressive strength of concrete with additional materials is higher than the common concrete. The pore distribution curve of the concrete with additional materials can keep steady no matter in sulphate or in hydrochloride. This kind of concrete with high anti-acid corrosion durability has been used in the piles construction of the bridges which is surrounded by acid soil and play an important role in enhancing the durability of the bridge.
© The Authors, published by EDP Sciences, 2018
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