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Combined glued laminated timber using hardwood and softwood lamellas



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Master's Thesis from the year 2016 in the subject Engineering - Civil Engineering, grade: B, Linnaeus University, course: Structural engineering, language: English, abstract: In this thesis, the behaviour of glued laminated timber combined with hardwood and softwood lamallae is investigated. The influence of hardwood in the tension and compression zone, in terms of strength and stiffness is evaluated. The basis of evaluation consists of determining the behaviour of beams with various combinations of hardwood solely in the tension zone along with beams with hardwood in the tension and compression zone. The influence of different amount of hardwood for both cases is studied my means of experimental and analytical methods. Experimental data attained by performing bending tests are evaluated for different combinations made from spruce and oak. By comparing the experimental and analytical data an increase in the strength and stiffness in various combinations is observed and potrayed which varies based on different wood species.






Master's Thesis from the year 2016 in the subject Engineering - Civil Engineering, grade: B, Linnaeus University, course: Structural engineering, language: English, abstract: In this thesis, the behaviour of glued laminated timber combined with hardwood and softwood lamallae is investigated. The influence of hardwood in the tension and compression zone, in terms of strength and stiffness is evaluated. The basis of evaluation consists of determining the behaviour of beams with various combinations of hardwood solely in the tension zone along with beams with hardwood in the tension and compression zone. The influence of different amount of hardwood for both cases is studied my means of experimental and analytical methods. Experimental data attained by performing bending tests are evaluated for different combinations made from spruce and oak. By comparing the experimental and analytical data an increase in the strength and stiffness in various combinations is observed and potrayed which varies based on different wood species.


Dr Robert Hairstans is Head. The dowels swell and the lamellas shrink locking the system together. Three replicates of tenlayered glulam beams measuring 100 mm in width 300 mm in . This makes the production of structural timber and lamellas for glued laminated products such as glulam GLT and cross laminated timber CLT economically challenging e.g.


Timber In Civil Engineering

This is possible due to the blocked structure. Depending on the type of your project you may need either or both of the different kinds of wood. Glued laminated timber consists of relatively thin wood layers were combined and glued together in such a way as to produce a beam of various sizes and lengths 6. It is similar to plywood but with distinctively thicker laminations or lamellae. The laminates are typically fingerjointed into continuous lengths and available in both softwood and hardwood species. by D Bourreau 2013 Cited by 30 glue polymerization status and the pressure applied to hold lamellae together. Some face and back laminae are 1 thick. The elements are produced in thicknesses from 140 to 240 mm i.e. The influence of hardwood in the tension . Softwood Hardwood table Image Indo Gemstone IndoGemstone When we think about hardwood we think of hard and dense material. Layers of timber known as lamellas are glued together with the grain alternating at 90 degree angles for each layer.


Gdzie są e-booki do pobrania? Combined glued laminated timber using hardwood and softwood lamellas PDF. Dobre książki PDF .

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