Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Summary of European KERTO-LVL Tests with Mechanical Fasteners
The report is a summary of KERTO-LVL tests with mechanical fasteners. The tests were performed in the University of Karlsruhe (TH), in the Center Technique du Bois et de l'Ameublement (CTBA) in Paris, in the Technical Research Center of Finland (VTT) and in the Helsinki University of Technology (TKK/trt). The test results are compared to the load-carrying capacity of timber joints according to the draft Eurocode 5 (1990). Wood members of the test specimens were mainly made of KERTO-LVL, a product laminated of 3 mm thick spruce veneers so, that the grain direction is the same in all veneer layers. In some of the tests LVL with cross veneers (KERTO-Q-LVL) was also used. The tests included also specimens of steel-to-wood joints. The tested fastener types were nails, bolts and dowels. In the tests of nailed joints with KERTO-Q-LVL the average ultimate strength was 8 - 105% higher than in tests with KERTO-LVL. Bolted and dowelled joints with KERTO-Q-LVL had 15 - 51% higher strength than KERTO-LVL joints. The moisture variation and drying did not effect the ultimate strength.
Summary of European KERTO-LVL Tests with Mechanical Fasteners
The report is a summary of KERTO-LVL tests with mechanical fasteners. The tests were performed in the University of Karlsruhe (TH), in the Center Technique du Bois et de l'Ameublement (CTBA) in Paris, in the Technical Research Center of Finland (VTT) and in the Helsinki University of Technology (TKK/trt). The test results are compared to the load-carrying capacity of timber joints according to the draft Eurocode 5 (1990). Wood members of the test specimens were mainly made of KERTO-LVL, a product laminated of 3 mm thick spruce veneers so, that the grain direction is the same in all veneer layers. In some of the tests LVL with cross veneers (KERTO-Q-LVL) was also used. The tests included also specimens of steel-to-wood joints. The tested fastener types were nails, bolts and dowels. In the tests of nailed joints with KERTO-Q-LVL the average ultimate strength was 8 - 105% higher than in tests with KERTO-LVL. Bolted and dowelled joints with KERTO-Q-LVL had 15 - 51% higher strength than KERTO-LVL joints. The moisture variation and drying did not effect the ultimate strength.
Summary of European KERTO-LVL Tests with Mechanical Fasteners
S. Koponen (Autor:in) / P. Kanerva (Autor:in)
1992
39 pages
Report
Keine Angabe
Englisch
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