Results 21 to 30 of about 4,363 (274)
Deformations during drying of wooden corner elements of I-beams
Magazine of Civil Engineering, 2020 At present, environmental degradation is occurring, which affects forests. Increasingly, in the trunks of conifers there is core (sound) rot. Round timber with sound rot is left in the forest, which does not contribute to improving the environmental ...
Aleksandr Toropov +2 more
doaj +1 more source
Ultrasound grading of round Eucalyptus timber using the Brazilian standard
, 2020 The structural use of round timber has been considered competitive in terms of both economics and sustainability due to the low energy consumption required for processing it.
Gonçalves, Raquel +4 more
core +1 more source
An Assessment of the Carbon Footprint of Tropical Hardwood Sawn Timber Production
BioResources, 2015 The demand for sawn timber throughout the world is steady, as wood is one of the most important raw materials available to mankind. Yet, the production of sawn timber through sawmilling activities causes environmental issues and is perceived to have a ...
Jegatheswaran Ratnasingam +5 more
doaj +1 more source
Impact bending strength of Finnish tree species in green condition
Silva Fennica, 1985 There are great impact forces in mechanized harvesting and wood yard in the mills which can cause breaks in timber. The impact strength of timber in green condition was tested in temperatures of +18°C and -18°C using sawn pieces (20 x 20 x 300 mm) of ...
Kärkkäinen, Matti +2 more
doaj +1 more source
Sensors, 2021 Bolted connections are widely used in timber structures. Bolt looseness is one of the most important factors leading to structural failure. At present, most of the detection methods for bolt looseness do not achieve a good balance between cost and ...
Yabin Yu +5 more
doaj +1 more source
Study of structural round timber
, 2007 Este trabalho estuda as propriedades de resistência e rigidez de elementos estruturais roliços de madeira. Para a determinação dos módulos de elasticidade longitudinal (MOE), transversal (G) e de resistência das peças (MOR), são realizados ensaios de ...
André Luiz Zangiácomo +1 more
core +1 more source
Applications in Plant Sciences, EarlyView.Abstract Premise As the sister clade to angiosperms, extant gymnosperms are crucial for reconstructing ancestral gene regulatory networks in seed plants. This highlights the need for model systems representing each of their distinct lineages. However, tools to quickly and effectively investigate gene function in gymnosperms are still limited due to the
Anthony G. K. Garcia +4 more
wiley +1 more source
Production Potential of the Forests in the Czech Republic
BioResources, 2015 This article discusses the production potential (and limits) of the forests in the Czech Republic (CR). The calculation respects ecological limits set by typological system and the Czech forestry legislation.
Karel Pulkrab +2 more
doaj +1 more source
Sectoral use of imported wood raw material in Turkey
Turkish Journal of Forestry, 2020 In this study, it is determined that usage areas of imported round wood, sawn wood and shaped wood regarding to tree species and factors affecting importer behavior and import trends in Turkey. The research data were collected for 2014 and 2015 with face-
Musa Akkaya +4 more
doaj +1 more source
Large-Scale Variations in Lumber Value Recovery of Yellow Birch and Sugar Maple in Quebec, Canada. [PDF]
PLoS ONE, 2015 Silvicultural restoration measures have been implemented in the northern hardwoods forests of southern Quebec, Canada, but their financial applicability is often hampered by the depleted state of the resource.
Mariana Hassegawa +5 more
doaj +1 more source