E3S Web Conf.
Volume 33, 2018High-Rise Construction 2017 (HRC 2017)
|Number of page(s)
|2 Engineering Systems and Building Materials
|06 March 2018
Comparison of Thermal Stability of Dry High-strength Concrete and Wet High-strength Concrete
Peter the Great St. Petersburg Polytechnic University, 29 Politechnicheskaya St., St. Petersburg, 195251, Russia
2 Moscow State University of Civil Engineering ; 26, Yaroslavskoe sh., Moscow, 129337, Russia
* Corresponding author: email@example.com
High-strength concrete is a modern material, which occupies it`s own niche on the construction material market. It is applicable in a large-scale high-rise construction, particularly an underground construction is a frequently used solution for a space saving. Usually underground structure is related to a wet usage environment. Though not all properties of the high-strength concrete are investigated to the full extent. Under adverse climatic conditions of the Russian Federation one of the most important properties for constructional materials is a thermal capacity. Therefore, the main purpose of the paper is to compare a thermal capacity of the high-strength concrete in humid conditions and a thermal capacity of the high-strength concrete in dry operational condition. During the study dependency between thermal capacity and design wall thickness and ambient humidity has to be proven with two experiments. As a result the theoretical relation between thermal capacity characteristic – thermal inertia and wall thickness and ambient humidity was confirmed by the experimental data. The thermal capacity of a building is in direct ratio to the construction thickness. It follows from the experiments and calculations that wet high-strength concrete has less thermal stability.
© The Authors, published by EDP Sciences, 2018
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