Effect of plasticizers, superplasticizers and silica fly ash on concrete water-resistance

• Autorzy: Ahmad M.

Identyfikatory

DOI

10.5604/01.3001.0009.5448

• Języki publikacji: EN

Abstrakty

EN

Concrete is one of the basic construction materials. It is a composite made of cement, water, coarse and fine aggregate. In the past, concrete was produced only with primary components, and it was often of poor quality. Nowadays, technological progress and scientific research allowed the concrete to be made with the use of chemical admixtures and mineral additives to modify and improve selected properties of both the concrete mixture and hardened concrete. Contrary to popular belief, obtaining concrete with suitable properties is not simple and the choice of mixture components requires professional knowledge. The care and quality is also extremely important. The paper presents the results of laboratory research concerning the impact of the plasticizer admixture—Betocrete-C17 and superplasticizer—Arpoment-O and mineral additive of silica fly ash on concrete water resistance. Capillarity, water permeability and water absorption of the concrete were determined. Additionally, a study of the consistency of fresh mixture was done and the hardened concrete compressive strength was tested.

Słowa kluczowe

EN

chemical additive; plasticizers; superplasticizers; silica fly ash; concrete water-resistantance

PL

dodatki chemiczne; plastyfikatory; superplastyfikatory; popiół lotny krzemionkowy; wodoszczelność betonu

• Wydawca: Foundation for Young Scientists
• Czasopismo: Challenges of Modern Technology
• Rocznik: 2016
• Tom: Vol. 7, no. 3
• Strony: 33--38
• Opis fizyczny: Bibliogr. 19 poz., tab., wykr.

Twórcy

autor

Ahmad M.

• The State Higher Vocational School in Kalisz, Department of Civil Engineering, Nowy Swiat 4, 62-800 Kalisz, Poland

Bibliografia

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• [8] PN-B 06250:1988 Common concreto
• [9] PN-EN 1008:2004 Mixing water for concrete. Specification of sampling, testing and evaluation of the suitability of mixing water for concrete, including water recovered from concrete production processes
• [10] https://www.schomburg.com/de/en/products/betocrete-c17
• [11] http://sklep.war-remedium.pl/Arpoment-o-c-251.html
• [12] PN-EN 450-1:2012 Fly ash for concrete – Part 1: Definitions, specifications, conformity criteria
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• [14] PN-EN 206:2014-04 Concrete—Requirements, characteristics, production and conformity
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• [16] PN-EN 12350-2:2011 Testing concrete mix. Part 2: Testing consistency with the cone slump method
• [17] PN-EN 12390-3:2011 Testing hardened concrete. Part 3:Compressive strength of test specimens.
• [18] PN-EN 12390-4:2001 Testing concrete — Part 4: Compressive strength – Requirements for strenght machines
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