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Author(s):	Rug, Wolfgang; Linke, Gunter
Title:	Untersuchungen zur Holzkorrosion an historischem Brettschichtholz
Abstract:	Dieser Artikel befasst sich mit Untersuchungen an historischem Brettschichtholz unter besonderer Berücksichtigung der Einwirkung chemisch-aggressiver Medien. Gegenstand der Untersuchung war eine fast 100 Jahre alte Salzlagerhalle in Hetzer-Bauweise. Es wurden sowohl Festigkeitsuntersuchungen im Dynstat-Verfahren als auch chemische Untersuchungen zum Salzgehalt durchgeführt. Im Ergebnis zeigte sich, dass das untersuchte Material einer deutlich sichtbaren Veränderung infolge der Salzeinwirkung unterlag. Es konnten sowohl oberflächliche makroskopische Veränderungen als auch eine Festigkeitsreduzierung im Randbereich festgestellt werden. Studies on the timber corrosion of historic glued laminated timber This article presents studies on historic glued laminated timber with special reference to the effect of chemically aggressive media. Subject of the investigation was an almost 100 year old salt warehouse in Hetzer's construction method. Strength tests in the dynstat-procedure as well as chemical investigations on the salinity were carried out. As a result of the effect of the salt the investigated material clearly shows superficial, macroscopic alteration as well as a reduction of the strength in the outer cross sections.
Source:	Bautechnik 90 (2013), No. 10
Page/s:	642-650
Language of Publication:	German

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