DETERMINATION OF FIBER-CEMENT PANELS DEGRADATION BY A SOAKING-DRYING TEST

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21610%2F19%3A00332257" target="_blank" >RIV/68407700:21610/19:00332257 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.5593/sgem2019/6.2/S26.007" target="_blank" >http://dx.doi.org/10.5593/sgem2019/6.2/S26.007</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.5593/sgem2019/6.2/S26.007" target="_blank" >10.5593/sgem2019/6.2/S26.007</a>

Jazyk výsledku

angličtina

Název v původním jazyce

DETERMINATION OF FIBER-CEMENT PANELS DEGRADATION BY A SOAKING-DRYING TEST

Popis výsledku v původním jazyce

The article deals with setting of the degradation of fibre-cement panels containing polyvinyl-alcohol (PVA) fibres. The degradation is being studied with a help of a soaking – drying test. It is a long-time test, which is one of the series of tests (hot water test, frost resistance test, shrinking of panels, UV test), by which the degradation of panels is determined. The motivation for carrying out this test lies in searching for a substitute of asbestos-cement panels that cannot be used due to carcinogenic asbestos fibres. The long-time researches worldwide were dealing with the substitute for asbestos fibres with glass ones. In the beginning excellent results were attained but after some decades (10 – 20 years) it was found that alkali- resistant glass fibre does not perform its function either. Therefore the article deals with examination of degradation of the panels containing the new type of PVA fibre. The purpose of the test was to set tensile strength when bending the tested fibre-cement panels that were exposed to a selected moisture cycle. The results were set from comparison of two sets of the tested panels: 1st set – unexposed tested panels after deposition in water of 20 ± 2 º C and the 2nd set - exposed tested panels after the cycle of 18 hours of deposition in water and 6 hours in a drying oven. The tests results showed that no degradation was observed at the plates containing PVA fibres

Název v anglickém jazyce

DETERMINATION OF FIBER-CEMENT PANELS DEGRADATION BY A SOAKING-DRYING TEST

Popis výsledku anglicky

The article deals with setting of the degradation of fibre-cement panels containing polyvinyl-alcohol (PVA) fibres. The degradation is being studied with a help of a soaking – drying test. It is a long-time test, which is one of the series of tests (hot water test, frost resistance test, shrinking of panels, UV test), by which the degradation of panels is determined. The motivation for carrying out this test lies in searching for a substitute of asbestos-cement panels that cannot be used due to carcinogenic asbestos fibres. The long-time researches worldwide were dealing with the substitute for asbestos fibres with glass ones. In the beginning excellent results were attained but after some decades (10 – 20 years) it was found that alkali- resistant glass fibre does not perform its function either. Therefore the article deals with examination of degradation of the panels containing the new type of PVA fibre. The purpose of the test was to set tensile strength when bending the tested fibre-cement panels that were exposed to a selected moisture cycle. The results were set from comparison of two sets of the tested panels: 1st set – unexposed tested panels after deposition in water of 20 ± 2 º C and the 2nd set - exposed tested panels after the cycle of 18 hours of deposition in water and 6 hours in a drying oven. The tests results showed that no degradation was observed at the plates containing PVA fibres

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20501 - Materials engineering

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

19th International Multidisciplinary Scientific Geoconference SGEM 2019

ISBN

978-619-7408-89-8

ISSN

1314-2704

e-ISSN

—

Počet stran výsledku

6

Strana od-do

51-56

Název nakladatele

STEF92 Technology Ltd.

Místo vydání

Sofia

Místo konání akce

Albena

Datum konání akce

30. 6. 2019

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

—