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Analysis of the Possibility of Using Extruded Polystyrene (XPS) Wastes to Make Lightweight Cement Composites

Zegardło Bartosz, Kobyliński Krzysztof

Journal of Ecological Engineering

2021

Vol. 22, nr 7

123--131

The paper presents the problem of utilization of extruded polystyrene wastes by its secondary use as filler for cement composites. Wastes were obtained from a company carrying out thermomodernisation works in the form of shapeless, undersized construction waste. The remains of the boards were crushed and separated using the sieve method. The basic technical parameters of thus prepared waste were assessed in terms of its use as a lightweight aggregate for concrete. The technical properties of wastes were compared with those of traditional aggregates used in concrete composites. During the research work, the samples of a cement composite were produced in which the waste served as a filler. In successive test series, the waste constituted 30, 50 and 100% of the aggregate substitution in the mix. Comparative samples without waste were also made. The results showed that the waste could potentially be used to produce lightweight cement composites with high strength parameters.

Wytrzymałość elektryczna komór próżniowych średniego napięcia - analiza porównawcza

Kiszło Stanisław, Szymański Michał, Frącek Andrzej, Kobyliński Krzysztof

Wiadomości Elektrotechniczne

2019

R. 87, nr 9

10--15

W artykule przedstawiono próby izolacji komór próżniowych i rozłączników. Zbadano wpływ zapłonów łukowych na wytrzymałość elektryczną komór próżniowych. Przeanalizowano wpływ konstrukcji komór na wytrzymałość elektryczną.

In this article presented vacuum chambers and switches of dielectric tests. The influence of arc ignition on electric strength of vacuum chambers. The influence of construction chamber on the electric strength.