Use of Impact-Echo Method to Test High-Temperature Degraded Cementitious Composite Materials Containing Rubber Aggregates and Acrylic Polymer Binder

Daniela Štefková; Michael Tupý; Kristýna Šamárková; Zdeněk Chobola; Konstantinos Sotiriadis; Vít Petranek

doi:10.4028/www.scientific.net/AMR.897.238

Paper Titles

Surface Morphology Study on Fibres Treated in Cold Plasma Discharge
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Study of Effect of Various Types of Cement on Properties of Cement Pastes
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Effect of High Proportion of Blended Cement in Concrete
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Study of Properties of Sprayed Concrete Prepared in Laboratory
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Use of Impact-Echo Method to Test High-Temperature Degraded Cementitious Composite Materials Containing Rubber Aggregates and Acrylic Polymer Binder
p.238

Resistant Multilayer Floor Systems Based on Epoxy Binders with Recycled Various Glass Particles
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Possibilities of Recycled Concrete Aggregate in Cement-Based Flowscreed
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The Use of Cementation Process for Waste Industrial Sludge Solidification
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Sealing Layers on Concrete Bridge Decks
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 897Use of Impact-Echo Method to Test High-Temperature...

Use of Impact-Echo Method to Test High-Temperature Degraded Cementitious Composite Materials Containing Rubber Aggregates and Acrylic Polymer Binder

Abstract:

The present paper deals with the use of Impact-echo acoustic method to test cement-based mortar composites degraded at high temperatures. The specimens were prepared by using a type CEM I Portland cement and siliceous sand, as well as by substituting 25% of sand with shredded automobile tires and by adding acrylic polymer binder (20% w/w to cement mass). The samples were were subjected to high-temperature treatment in the temperature range of 200-400 °C. The acoustic results confirmed the differences in the structure of mortar specimens. The addition of rubber aggregates in H2 and H3 specimens resulted in lower frequencies compared to H1 specimen. It was also observed the dropping down of the frequencies for the temperatures between 200-300°C, indicating that the effect of heat treatment was mitigated when the acrylic binder was added.

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Periodical:

Advanced Materials Research (Volume 897)

Pages:

238-241

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.897.238

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Online since:

February 2014

Authors:

Daniela Štefková, Michael Tupý*, Kristýna Šamárková, Zdeněk Chobola, Konstantinos Sotiriadis, Vít Petranek

Keywords:

Acrylic Polymer Binder, Dominant Frequencies, High-Temperature, Impact-Echo, Mortar, Rubber Aggregates

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* - Corresponding Author

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