Laminated veneer lumber poles for temporary soil nailing ‐ investigation of material properties

  • Within a current research project at Rosenheim University of Applied Sciences and Graz University of Technology the possibilities of using beech wood laminated veneer lumber poles as soil anchors for temporary soil nailing systems are investigated. Therefore tensile and bending properties of laminated veneers with high moisture and permanent cement contact concerning the influence of veneer bending rectangular to the fibre are determined. For investigation of material properties under different climate conditions tensile tests on small and faultless single beech wood veneers as well as tensile tests on 6 layered 3 mm samples and 9 layered 2 mm samples were carried out. Therefore all samples were stored in extreme climate conditions like high moisture content and permanent cement contact. Six layered samples with 3mm thick veneers show a slightly higher strength and stiffness under dry conditions as well as at a moisture content of the samples above fibre saturation. A strength reduction factor concerning temporary geotechnical applications is suggested which considers the influence of long term loading, veneer bending, water saturation and cement destruction on tensile properties of laminated veneer lumber poles.

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Author:Sebastian Hirschmüller, Roman Marte, Johann Pravida
Parent Title (English):Proceedings of the World Conference on Timber Engineering. World Conference on Timber Engineering. Vienna, 22.‐25.08. Vienna
Editor:Josef Eberhardsteiner, Wolfgang Winter, A. Fadai, Martha Pöll
Document Type:Conference Proceeding
Publication Year:2016
Tag:Laminated veneer; Temporary soil nailing; Timber engineering
faculties / departments:Fakultät für Holztechnik und Bau
Forschung und Entwicklung
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten