Academic literature on the topic 'Laminated wood'

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Journal articles on the topic "Laminated wood"

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Ashaari, Z., S. H. Lee, F. L. Nabil, E. S. Bakar, A. Ghani, and M. R. Rais. "Physico-mechanical properties of laminates made from Sematan bamboo and Sesenduk wood derived from Malaysia's secondary forest." International Forestry Review 19, no. 3 (December 1, 2017): 1–8. http://dx.doi.org/10.1505/146554817828562323.

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A study was conducted to evaluate the performance of laminated composite made from phenolic resin-treated wood and bamboo strips. Sesenduk (Endospermum diadenum) wood and Sematan bamboo (Gigantochloa scortechinii) strips were impregnated using 30% phenol formaldehyde (PF) resin and assembled in different configurations and orientations prior to compreg nation. The assembled samples were then compressed in a hot press at 150 ± 2 °C for 60 minutes. Dimensional stability, hardness, bending, shear and compression strength of the products were assessed. The results revealed that the properties of the compreg laminates were significantly affected by the treatment variables. Laminated compreg wood had inferior mechanical properties compared to laminated compreg bamboo and bamboo/wood hybrid. However, the dimensional stability of laminated compreg wood is the best among the three types of laminates. Samples assembled parallelly possessed better properties. Mixed application of wood and bamboo had imparted respective advantages to the compreg laminates.
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Karliati, Tati, Fauzi Febrianto, Wasrin Syafii, Imam Wahyudi, Ihak Sumardi, Seung Hwan Lee, and Nam Hun Kim. "Properties of laminated wood bonded with modified gutta-percha adhesive at various surface roughness profile of laminae." BioResources 14, no. 4 (August 29, 2019): 8241–49. http://dx.doi.org/10.15376/biores.14.4.8241-8249.

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The properties of laminated wood prepared from sengon wood (Falcataria moluccana Miq. Barneby & Grimes) bonded with a modified gutta-percha (MGP) adhesive at various laminae surface roughness profiles were investigated. The wood laminae were sanded using sand papers of KAG grit designation of 80, 100, 150, 220, 300, and 400. A lower value of KAG grit designation with a lager particle size of sand resulted in a rougher surface of the bonded laminae; a rougher laminae surface profile resulted in a greater shear strength of the laminated wood. The shear strength was highest for laminated wood treated with sand paper of KAG 80 and smallest for laminated wood treated with KAG 400. In general, the bonding strength was enhanced with decreasing KAG grit designation. The adhesion performance, in terms of spread and adhesive penetration, improved after sanding, which widened the contact area on the wood surface.
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Liu, Jen-Chieh, Robert J. Moon, Alan Rudie, and Jeffrey P. Youngblood. "Mechanical performance of cellulose nanofibril film-wood flake laminate." Holzforschung 68, no. 3 (April 1, 2014): 283–90. http://dx.doi.org/10.1515/hf-2013-0071.

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Abstract Homogeneous and transparent CNF films, fabricated from the (2,2,6,6- tetramethylpiperidin-1-yl) oxyl (TEMPO)-modified CNF suspension, were laminated onto wood flakes (WF) based on phenol-formaldehyde (PF) resin and the reinforcement potential of the material has been investigated. The focus was on the influence of CNF film lamination, relative humidity (RH), heat treatment, and anisotropic properties of WF on the CNF-WF laminate tensile properties (elastic modulus, ultimate tensile strength, strain to failure). Results demonstrated that CNF-WF laminates had improved mechanical performance as compared to the neat WF. In the WF transverse direction, there were gains of nearly 200% in Young’s modulus and 300% in ultimate tensile strength. However, in the WF axial direction, the reinforcement effect was minor after PF modification of the wood and the presence of the CNF layers. The effective elastic moduli of the CNF-WF laminates were calculated based on the laminated plate theory, and the calculation in both axial and transverse directions were in agreement with the experimental results.
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Purwanto, Djoko. "BALOK LAMINASI DARI KAYU KELAPA (Cocos nucifera L)." Jurnal Riset Industri Hasil Hutan 2, no. 2 (December 31, 2010): 1. http://dx.doi.org/10.24111/jrihh.v2i2.1147.

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Laminated beams of two, three and four layers of coconut wood the bottom, middle and top part with PVAc adhesive (Poly Vinyl Acetat). The purpose of this research is to make coconut wood laminate beams for structural building materials. The results showed that the laminated beam two, three and four layers are made of wood bottom and middle part produce strong mechanical strength class II and III, so that qualified for structural building materials (SNI.03-3527-94). laminated beams of two, three and four are made of wood mechanical strength of the top part produces a strong class IV and meet for structural building materials (SNI.03-3527-94). Keywords: laminated beams, coconut wood
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Kaya, Musa. "Physical and mechanical properties of laminated timbers used in the construction and furniture industry." BioResources 19, no. 3 (July 17, 2024): 6046–56. http://dx.doi.org/10.15376/biores.19.3.6046-6056.

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Some physical and mechanical properties of laminated timbers used in wooden construction and furniture industry were examined. Polyurethane (PU) glue was used in the production of laminates with 5 layers. The surface layers in each laminated timber (Glulam) were from the same wood type, and the core layers were from willow wood. The laminated timbers whose outer layers were made of willow (Salix alba L.), yellow pine (Pinus sylvestris L.), and ash (Fraxinus L.) wood had an air-dry density value of 0.60 g/cm3 in laminated timber with the highest ash wood surface. The pressure resistance parallel to the fibers was determined in the surface layer ash wood with 48.6 N/mm2. It was found that the static bending resistance was 91.1 N/mm2 in laminated timber with a surface layer of ash wood, and the modulus of elasticity value in bending was 10040 N/mm2 in laminated timber with the highest ash wood surface. Thus, it has been seen in the study that improvements in physical and mechanical properties were achieved, especially as a result of combining willow wood (having fast growth potential and low density) with high-density wood types. According to the results of the study, it is recommended to carry out the necessary studies to increase the physical and mechanical properties of low-density wood types by laminating them with high-density wood types.
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Puluhulawa, Indriyani. "Pengaruh Posisi, Jumlah Layer Dan Mutu Kayu Terhadap Balok Laminasi Kayu Mahang Dan Kayu Meranti." Jurnal Gradasi Teknik Sipil 2, no. 1 (July 23, 2018): 52. http://dx.doi.org/10.31961/gradasi.v2i1.560.

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Reduced forest products cause also reduced of large-dimensional wood that has high quality. One alternative to solve the problem is by doing laminate engineering by combining different quality wooden layers into specific sized beams as desired. The type of wood and the position of layer give effect to the laminate beam capacity. The aim of this research was to find out the flexural capacity (MOR) of Mahang and Meranti wood laminated beams which layers were varied which then the result of the laminated beam was compared with the solid beams. There were 3 types of laminate specimens made with dimension 5x7x76 cm3 which consisted of 7 layers; BL K1 beam consisted of 2 layers of Meranti wood at the top and bottom of the beam and 5 layers of Mahang in the middle; BL K2 beam consisted of 4 layers of Meranti wood at the top and bottom of the beam, and 3 layers of Mahang in the middle; and BL K3 beam consisted of 6 layers of Meranti wood at the top and bottom of the beam and 1 layer of Mahang in the middle. The test results showed that the use of wood of higher specific gravity at the outermost layer has increased the flexural capacity (MOR) and modulus of elasticity (MOE), particularly in laminated beams (Meranti wood and Mahang wood) with the same numbers of layers. Moreover, in same number or greater layer proportion between Mahang and Meranti wood, the result showed the increased of MOR and MOE of laminated beams compared with solid beam that has low specific gravity (Mahang).
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Bakht, Baidar, and Tharmalingham Tharmabala. "Steel–wood composite bridges and their static load response." Canadian Journal of Civil Engineering 14, no. 2 (April 1, 1987): 163–70. http://dx.doi.org/10.1139/l87-028.

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The proposed steel–wood composite bridges incorporate longitudinal steel girders which are composite with wood deckings consisting of longitudinal laminates. The laminated decking is usually transversely prestressed. By orienting the laminates longitudinally, advantage can be taken in longitudinal bending of the dominant modulus of elasticity of wood. The paper shows that the load-carrying capacity of an existing slab-on-girder bridge with steel girders and deteriorated noncomposite concrete deck slab can be considerably enhanced by using the proposed system. The paper presents results of static load tests on two types of shear connector, some composite beams, and half-scale model of a bridge. Test data confirm the effectiveness of the composite system. Key words: bridges, composite bridges, steel–wood composite bridges, laminated wood decks, shear connectors, composites.
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Wulandari, Febriana Tri, and Radjali Amin. "The Effect of Felt Pressure and Adhesive Lath Weight on The Physical and Mechanical Properties of The Combination of Petung Bamboo and Sengon Laminated Boards." Jurnal Biologi Tropis 23, no. 2 (March 29, 2023): 263–71. http://dx.doi.org/10.29303/jbt.v23i2.4735.

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Sengon wood as a construction material has several weaknesses, namely its specific gravity of 0.33 which is included in the light specific gravity (0.29-0.56) with a strong class III-IV. To increase the strength of sengon wood by making sengon wood into laminated boards combined with bamboo laminates. The aim of this study was to examine the effect of labur weight, compression pressure and their interactions on the physical and mechanical properties of the laminated boards of a combination of sengon wood and petung bamboo and to determine the strength class of the laminated boards based on their physical and mechanical properties. The research method used was the experimental method with a factorial Completely Randomized Design (CRD) experiment with 2 factors with 4 treatments and 3 replications. Based on the results of the study, it can be concluded that labur weight, felt pressure and their interactions have no significant effect on the physical properties of the laminated board combination of sengon wood and petung bamboo while the mechanical properties have a significant effect. All tests of physical and mechanical properties comply with SNI 01-6240-2000 and JAS 234-2007 standards. Based on the results of testing the physical and mechanical properties, the laminated board combination of sengon wood and petung bamboo is included in the strength class III which can be used for protected heavy construction.
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Wulandari, Febriana Tri, Radjali Amin, and Raehanayati Raehanayati. "Karateristik Sifat Fisika dan Mekanika Papan Laminasi Kayu Sengon dan Kayu Bayur." Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi 10, no. 1 (May 16, 2022): 75–87. http://dx.doi.org/10.34312/euler.v10i1.13961.

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Currently, it is increasingly difficult to obtain large and quality sawn timber due to the diminishing supply of wood in natural forests. To overcome this problem, innovation is needed to utilize wood scrap waste as a board product. One form of innovation in the use of wood scrap as a board product is laminated boards. In this study, Sengon and Bayur woods were used which had strong grades III-IV and had specific gravity ranging from 0.29-0.70. Bayur and Sengon wood are suitable to be used as raw materials for laminated boards because they have a light density. The purpose of this research was to determine the physical and mechanical characteristics of laminated boards, the effect of Labur weight, wood species and their interactions. The method used in this study is an experimental method with a factorial completely randomized design (CRD). Characteristics of physical and mechanical properties of laminated boards of Sengon and clothes: density 0.412 gram/cm3; water content 12,459%; thick development 2.019%; thick shrinkage 3.183%; MoE 23031,922 kgf/cm²; MoR 357.208 kgf/cm². Laur weight, type of wood and their interactions have a significant effect on all physical and mechanical properties of Sengon and Bayur laminated boards. The interaction of pumpkin weight and wood species had no significant effect on the water content and MoR tests. Based on the wood strength class, Sengon and Bayur wood laminated boards are classified as class III which can be used as protected heavy construction materials.
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Aizat, G., A. Zaidon, S. H. Lee, S. B. Edi, and B. Paiman. "A comparison between the properties of low and medium molecular weight phenol formaldehyde resin-treated laminated compreg oil palm wood." International Forestry Review 19, no. 3 (December 1, 2017): 1–11. http://dx.doi.org/10.1505/146554817828562305.

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In order to improve the inherently poor properties of oil palm wood (OPW), this study examines the effects of resin molecular weight, diffusion time and compression ratio on the properties of laminated compreg OPW. Treating solutions used were medium molecular weight phenol formaldehyde (MmwPF) and low molecular weight phenol formaldehyde (LmwPF). OPW strips were soaked in the treating solutions for 24 h before wrapping in a plastic bag and leaving them for diffusion for 2, 4 and 6 days, respectively. Then, three-layer laminated compreg OPW were fabricated and compressed in hot press at 150°C for 20 minutes to achieve compression ratios of 55%, 70% and 80%. Results indicated that dimensional stability and mechanical properties of the phenolic resin treated laminated compreg OPW were significantly better than the untreated laminates. MmwPF-treated laminates exhibited inferior properties in comparison to that of LmwPF-treated laminates. Nevertheless, MmwPF-treated laminated compreg OPW emitted significantly lesser formaldehyde.
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Dissertations / Theses on the topic "Laminated wood"

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King, Bryan L. "Wood deck bridges-stress laminated wood panels on steel beams." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=1860.

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Thesis (M.S.)--West Virginia University, 2001.
Title from document title page. Document formatted into pages; contains xi, 157 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 96).
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Weight, Shilo Willis. "A novel wood-strand composite laminate using small-diameter timber." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Thesis/Spring2007/s_weight_050207.pdf.

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Gereke, Thomas. "Moisture-induced stresses in cross-laminated wood panels /." [S.l.] : [s.n.], 2009. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=18427.

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Diss. Nr. 18427 Wiss. ETH Zürich.
Vermerk auf Umschlag: IFB, Departement of Civil, Environmental and Geomatic Engineering/ Institute for Building Materials - Wood Physics/ Institut für Baustoffe-Holzphysik. Literaturverz.
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Syron, William Donald. "Strain Rate-Dependent Behavior of Laminated Strand Lumber." Fogler Library, University of Maine, 2010. http://www.library.umaine.edu/theses/pdf/SyronWD2010.pdf.

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Yadama, Vikram. "Experimental investigation of a novel finite element model for Southern pine glulam beams." Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-12302008-063816/.

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Torneport, Matilda. "Industrial Requirements for Cross-Laminated Timber Manufacturing." Thesis, Linnéuniversitetet, Institutionen för skog och träteknik (SOT), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-104924.

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Wood is a valuable sustainable material that meets the requirements for structural application. Cross-laminated timber (CLT) is a wood-based product that is mainly used in the building industry. Due to the rapid global market increase, a number of new CLT plants are emerging worldwide and thereby a need for standardisation is more than ever. There is no existing harmonised standard for CLT and it means a diversity between manufacturers, CLT products and its layup, which may in turn affects the properties of available CLT in the market. Therefore, this study was performed through literature study and internet-based interviews from five manufacturer in Sweden and Central Europe, to provide more information regarding the industrial requirements for CLT production. Three specific objectives of this study were: (1) wood and adhesive types in CLT production, (2) wood strength classes for CLT production, (3) important requirements for CLT producers and existing standards.   Literature review and interviews showed that spruce (Picea abies L. Karst.) in combination with polyurethane (PUR) adhesive is the most commonly used materials in Europe for CLT production, which are approved by EN 16351 (2021). Other wood species, e.g., pine, poplar and birch can be used or are already used in a minor extent. Strength classes for lamellas in CLT are often C24, but timbers with lower strength grades are possible. Some manufacturer use combinations of different strength graded timber and in this small scale study different strength graded timber was in generally the biggest diversity between manufactures. Only a few material properties such as modulus of elasticity, modulus of rupture, compression and shear strength are listed in EN 16351 (2021) and EN 338 (2016), as the factors for quality measurements of the CLT products. This study, however, showed that the critical material properties for the most interviewed CLT producers are merely modulus of elasticity and rarely modulus of rupture.
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Turesson, Jonas. "Diagonal compression of Cross-Laminated Timber." Thesis, Luleå tekniska universitet, Träteknologi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-59699.

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Twelve blocks of Cross Laminated Timber (CLT) were built, tested and simulated. Three types of blocks with different laminate directions in the middle/second layers were used: 0/30/0, 0/45/0 and 0/90/0. Simulations with three-dimensional quadratic orthotropic linear elastic finite elements were conducted. The goal was to compare tested in-plane shear stiffnesses for CLT blocks made from Norway Spruce (Picea abies) boards of C24 quality with a finite element (FEM) simulated block stiffness. Three-layer CLT were studied with block dimensions of 600 x 600 x 45 mm. The first and last layer laminate directions were assumed to be 0○. The middle layer laminate directions were 30○, 45○ and 90○. A 1 mm gap was assumed between the side edges. The glued contact surfaces were assumed to be perfectly glued with rigid glue in the simulations. In the practically tested blocks a PVAc D2 classified glue was used. All blocks were simulated and tested in the same loading arrangement as the practical test set-up. The blocks were compressed in the diagonal direction. Blocks of 0/30/0 and 0/45/0 were compressed twice, once over each diagonal. The 0/90/0 blocks were compressed over one diagonal. A total of 19 practical compression tests was performed; in all cases, the displacements were measured in the force- and orthogonal direction. The stiffest loading case, measured in the force direction, was the loading arrangement 0/45/0-A. The weakest loading case, measured in the force direction, was the loading arrangement 0/30/0-B. The same result could be concluded from the FEM simulations. The calculated stiffness in the loading direction was between 1.21 – 1.87 times larger than the measured stiffness. The models pressed in the “weakest” direction gave the largest difference between the simulated and measured stiffness.
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Berglind, Henrik Oförstörande provning. "Nondestructive detection of glue deficiency in laminated wood using thermography /." Luleå, 2003. http://epubl.luth.se/1402-1544/2003/02.

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Jordan, Andrew R. "Wetpreg Reinforcement of Glulam Beams." Fogler Library, University of Maine, 1998. http://www.library.umaine.edu/theses/pdf/JordanA1998.pdf.

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Anshari, Buan. "Structural behaviour of glued laminated timber beams reinforced by compressed wood." Thesis, University of Liverpool, 2012. http://livrepository.liverpool.ac.uk/9115/.

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As an engineered wood product, glued laminated timber (Glulam) is produced to minimise several natural weaknesses such as knots and non-uniform strength in order to enhance its stiffness and load carrying capacity. Many reinforcement methods have been tested, with promising results in increasing the strength and stiffness of beam. Recently, with increasing concern on environmental protection there is a growing trend in construction to use as many natural materials as possible. Therefore, conventional types of reinforcement using metals and/or synthetic materials do not fit well with this trend. A new approach to strengthen Glulam beams using pure natural materials has been established through this research. Glulam beams were strengthened by inserting compressed wood (CW) blocks into the pre-cut rectangular holes on the top of the beams. This practice was to make use of moisture-dependent swelling nature of the compressed wood. As a result, a pre-camber was produced in the mid-span of the beam reinforced. Significant initial tensile and compressive stresses were generated at both the top and the bottom extreme fibres of the beam, respectively. Material tests have been done to investigate material properties of compressed Japanese cedar with different compression ratios. Structural tests were undertaken for short and long Glulam beams strengthened by CW blocks after gained the pre-camber. 3-D finite element models have also been developed by using commercial code ABAQUS to simulate the pre-stressing behaviour of Glulam beams reinforced using compressed wood blocks. The finite element models were used to simulate the structural behaviour of the pre-stressed beams subjected to subsequent destructive bending tests. All computer models developed were validated against corresponding experimental results of the free moisture-dependent swelling, pre-stressing processes and the destructive tests for both the short and long beams. Reasonably good correlation was obtained in terms of the free swelling, the pre-camber, initial stress state of the Glulam beams reinforced and load-deflection relationships. Using validated computer models, parametric studies were further carried out to provide design information for such a reinforcing technique. The results have indicated that the reinforcing techniques using compressed wood blocks are very effective means to enhance the initial stiffness, bending strength and load carrying capacity of Glulam beams. The technology is ready to be applied in practice.
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Books on the topic "Laminated wood"

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Winistorfer, S. G. Bending performance of spliced, nailed-laminated posts. [Madison, Wis.?: Forest Products Laboratory, 1987.

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Himmelfarb, D. Testing of laminated timber joists. Edmonton, Alta: Forestry Canada, Regional Development, 1989.

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Syfert, Jerry. Unique wood lamination projects. Fresno, CA: Linden Pub., 2005.

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Williams, Derek. Assessment of Danish and Swedish wood gluing machine technology. Victoria, B.C: Pacific Forestry Centre, 1995.

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Rannefeld, Clarence. Laminated designs in wood: Techniques, patterns, projects. Asheville, N.C: Lark Books, 1998.

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Kostrikov, P. V. Tekhnologii͡a︡ gnutokleenykh zagotovok iz shpona sosny i listvennit͡s︡y. Kishinev: "Shtiint͡s︡a", 1985.

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1956-, Bohnhoff David R., Moody R. C. 1942-, and Forest Products Laboratory (U.S.), eds. Bending properties of four-layer nail-laminated posts. Madison, WI: U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1994.

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A, Soltis Lawrence, and Forest Products Laboratory (U.S.), eds. Experimental shear strength of glued-laminated beams. [Madison, WI]: U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1994.

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Bucur, Voichita. Delamination in Wood, Wood Products and Wood-Based Composites. Dordrecht: Springer Science+Business Media B.V., 2011.

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Association, APA-the Engineered Wood, ed. Performance standards and policies for structural-use panels. Tocoma, WA (7011 S. 19th St., Tacoma 98411-0700): APA--the Engineered Wood Association, 1996.

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Book chapters on the topic "Laminated wood"

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Gooch, Jan W. "Wood, Glued Laminated." In Encyclopedic Dictionary of Polymers, 813. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12875.

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Stalnaker, Judith J., and Ernest C. Harris. "Glued Laminated Members." In Structural Design in Wood, 152–89. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4684-9996-4_8.

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Stalnaker, Judith J., and Ernest C. Harris. "Glued Laminated Members." In Structural Design in Wood, 157–98. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-4082-3_8.

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Gooch, Jan W. "Wood, Built-up Laminated." In Encyclopedic Dictionary of Polymers, 813. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12866.

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Gereke, Thomas, Per Johan Gustafsson, Kent Persson, and Peter Niemz. "The Hygroscopic Warping of Cross-Laminated Timber." In Delamination in Wood, Wood Products and Wood-Based Composites, 269–85. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9550-3_14.

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Yasir, Muhammad, Kieran Ruane, and Vesna Jaksic. "Numerical Analysis of Cross-Laminated Timber (CLT) Wall Panels Under Fire." In Wood & Fire Safety 2024, 27–35. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-59177-8_4.

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Uhrín, Róbert, Michal Gregor, Patrik Štompf, and Jozef Štefko. "Structural Integrity Assessment of Two-Story Cross-Laminated Timber House Under Fire Load." In Wood & Fire Safety 2024, 308–16. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-59177-8_36.

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Koklas, Andrianos, Iasonas Filippidis, and Dionysios I. Kolaitis. "Charring Behaviour of Cross Laminated Timber (CLT) Members: Effects of Fire Retardant Treatment." In Wood & Fire Safety 2024, 128–36. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-59177-8_15.

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Barile, C., C. Casavola, G. Pappalettera, and C. Pappalettere. "Hybrid Characterization of Laminated Wood with ESPI and Optimization Methods." In Conference Proceedings of the Society for Experimental Mechanics Series, 75–83. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-4235-6_9.

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Zelinka, Samuel L., Byrne Miyamoto, Nathan J. Bechle, and Douglas Rammer. "Small Scale Test to Measure the Strength of Adhesives at Elevated Temperatures for Use in Evaluating Adhesives for Cross Laminated Timber (CLT)." In Wood & Fire Safety, 3–8. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-41235-7_1.

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Conference papers on the topic "Laminated wood"

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Stajić, Dušan, Aleksandar Keković, Radovan Cvetković, and Marko Nikolić. "Possibilities of applying glued laminated timber in architectural design." In Zbornik radova sa Nacionalne konferencije sa međunarodnim učešćem – Zelena Gradnja 2024. University of Niš - Faculty of Civil Engineering and Architecture, 2024. http://dx.doi.org/10.5937/greenb24054s.

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In accordance with modern tendencies in architectural design, in terms of improving the quality of life and meeting the needs for living in a pleasant and healthy environment, there is an increasing trend in the world to use natural materials in design and construction. One of the most widespread and most frequently used natural materials throughout history is wood. In addition to numerous positive characteristics that distinguish it, wood also has certain disadvantages that limit its application in the design and construction of architectural buildings. However, by applying modern technologies and methods of its processing and protection, it is possible to significantly improve the properties of wood without disturbing its form and basic characteristics. The paper deals with the possibilities of applying glued laminated wood in architecture, both in terms of construction and design, through the analysis of quality examples of constructed buildings of various architectural typologies.
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2

Meyboom, Annalisa, and Kaia Nielson-Roine. "Seven Generations for Wood." In 112th ACSA Annual Meeting. ACSA Press, 2024. http://dx.doi.org/10.35483/acsa.am.112.7.

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While there is much interest from both the construction industry and government to develop new pathways for salvaging and recycling wood products there has not been significant movement in imple-menting large scale wood recycling initiatives. Despite having one of the strictest recycling programs in the country, the city of Vancouver still a significant construction and demolition (C&D) waste problem. The Zero Waste Policies from Metro Vancouver Municipalities has allowed 78% (1.3 million tonnes) of all waste streams to be diverted from regional landfills, but wood C&D waste (31% of all C&D waste) still largely ends up in the landfill.1,2 Given that about 57% of new buildings in Vancouver are light-wood type buildings and the Vancouver Landfill is slated to be decommissioned in 2037, the city needs a strategy to divert these large volumes of wood from being landfilled.3 This proj-ect presents a method to recycle salvaged wood from deconstructed light-wood buildings and use those materials in new deconstructa-ble assemblies. Common wood waste such as dimensional lumber, plywood, oriented strand board (OSB), laminated strand lumber (LSL),and laminated veneer lumber(LVL) can be recycled into new wood products including finger-jointed lumber, OSB, OSB/LSL or Plywood/LVL crosslam tiles, and wood fibre insulation. Typical light- wood frame construction can then be altered to incorporate these recycled materials and to facilitate deconstruction and further reuse. This project proposes that with proper recycling infrastructure and construction practices the value of wood extracted from the urban environment can be maintained across multiple generations of build-ings creating a true circular economy of wood materials.
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3

Beyreuther, Todd, and Darren Griechen. "Mass Timber Design Research at the Nexus of Practice and the Academy." In AIA/ACSA Intersections Conference. ACSA Press, 2015. http://dx.doi.org/10.35483/acsa.aia.inter.15.12.

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Mass timber is an emergent building assembly technology that advances themes of prefabrication, modularization, parametric design, and renewable materials in architectural practice and education. Mass timber is a collective term for several engineered heavy panel wood products including cross-laminated timber (CLT), nail-laminated timber (NLT), glued laminated timber (GLT) laminated veneer lumber (LVL), laminated strand lumber (LSL), and parallel strand lumber (PSL).
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4

David R Bohnhoff. "Modifications and Extensions to Design Specifications for Mechanically-Laminated Wood Assemblies." In 2013 Kansas City, Missouri, July 21 - July 24, 2013. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2013. http://dx.doi.org/10.13031/aim.20131620162.

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5

Loscombe, R. "Developing An ISO Scantling Standard For Recreational Craft of Laminated Wood Construction." In The Modern Yacht. RINA, 2003. http://dx.doi.org/10.3940/rina.tmy.2003.12.

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6

GEUEKE, M. "Sustainable tool technology: Wood-based forming tools." In Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-212.

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Abstract. Conventional, dies are manufactured subtractive for sheet metal forming. Beside the forming process, high tooling costs, material exertion and energy consumption, the die production offers chances for economic improvements. Especially, individualization and mass customization for small batch series require sustainable low-cost tooling approaches, where sustainable advances through biologicalization may offer new possibilities. In this work, sheet metal forming tools are manufactured by laminated black locust dies to reduce the overall ecological impact. The deformation and wearing behavior of the wooden tools is investigated during a drawing operation for low batch size of an automotive conventional sheet material.
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7

Chen, Naijian, Xiuhua Men, Xiangdong Han, Xu Wang, Jianbo Sun, and Hui Chen. "Edge detection based on machine vision applying to laminated wood edge cutting process." In 2018 13th IEEE Conference on Industrial Electronics and Applications (ICIEA). IEEE, 2018. http://dx.doi.org/10.1109/iciea.2018.8397759.

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8

Teixeira, Matheus Zanghelini, Samuel da Silva Santos, Rodrigo Figueiredo Terezo, and Camila Alves Corrêa. "State of the Art of the Structural Behavior of Cross Laminated Timber by Finite Element Method." In ENSUS2023 - XI Encontro de Sustentabilidade em Projeto. Grupo de Pesquisa Virtuhab/UFSC, 2023. http://dx.doi.org/10.29183/2596-237x.ensus2023.v11.n3.p346-355.

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In search of sustainable development, engineered wood is an alternative for the Brazilian construction sector. The focus of the study is on Cross Laminated Timber (CLT), a panel composed of layers of structurally bonded lamellae that forms a rigid and self-supporting structural element, which is used as a wall, floor slab and roof slab.
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9

Hackel, Martin. "FLEXURAL PROPERTIES OF OIL PALM WOOD BASED GLUE LAMINATED TIMBER USING FINITE ELEMENT METHOD." In World Conference on Timber Engineering 2023 (WCTE2023). As, Norway: World Conference on Timber Engineering (WCTE 2023), 2023. http://dx.doi.org/10.52202/069179-0088.

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10

Sundkvist, Bror, Olena Myronycheva, Sarka Langer, Ingrid Liljelind, Bo Glas, Tomas Nord, and Björn Nordin. "CROSS-LAMINATED PANELS WOOD PANELS IN A PATIENT ROOM AND STUDIES OF INTERIOR ENVIRONMENT." In World Conference on Timber Engineering 2023 (WCTE2023). As, Norway: World Conference on Timber Engineering (WCTE 2023), 2023. http://dx.doi.org/10.52202/069179-0145.

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Reports on the topic "Laminated wood"

1

Hartman, Quinn. MIL-STD-1660 Testing of Laminated Wood Pallets. Fort Belvoir, VA: Defense Technical Information Center, June 1989. http://dx.doi.org/10.21236/ada244939.

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2

Faddoul, J. Improved stud configurations for attaching laminated wood wind turbine blades. Office of Scientific and Technical Information (OSTI), September 1985. http://dx.doi.org/10.2172/5154057.

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3

Backstrom, Robert, and David Dini. Firefighter Safety and Photovoltaic Systems Summary. UL Firefighter Safety Research Institute, November 2011. http://dx.doi.org/10.54206/102376/kylj9621.

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Under the United States Department of Homeland Security (DHS) Assistance to Firefighter Grant Fire Prevention and Safety Research Program, Underwriters Laboratories examined fire service concerns of photovoltaic (PV) systems. These concerns include firefighter vulnerability to electrical and casualty hazards when mitigating a fire involving photovoltaic (PV) modules systems. The need for this project is significant acknowledging the increasing use of photovoltaic systems, growing at a rate of 30% annually. As a result of greater utilization, traditional firefighter tactics for suppression, ventilation and overhaul have been complicated, leaving firefighters vulnerable to potentially unrecognized exposure. Though the electrical and fire hazards associated with electrical generation and distribution systems is well known, PV systems present unique safety considerations. A very limited body of knowledge and insufficient data exists to understand the risks to the extent that the fire service has been unable to develop safety solutions and respond in a safe manner. This fire research project developed the empirical data that is needed to quantify the hazards associated with PV installations. This data provides the foundation to modify current or develop new firefighting practices to reduce firefighter death and injury. A functioning PV array was constructed at Underwriters Laboratories in Northbrook, IL to serve as a test fixture. The main test array consisted of 26 PV framed modules rated 230 W each (5980 W total rated power). Multiple experiments were conducted to investigate the efficacy of power isolation techniques and the potential hazard from contact of typical firefighter tools with live electrical PV components. Existing fire test fixtures located at the Delaware County Emergency Services Training Center were modified to construct full scale representations of roof mounted PV systems. PV arrays were mounted above Class A roofs supported by wood trusses. Two series of experiments were conducted. The first series represented a room of content fire, extending into the attic space, breaching the roof and resulting in structural collapse. Three PV technologies were subjected to this fire condition – rack mounted metal framed, glass on polymer modules, building integrated PV shingles, and a flexible laminate attached to a standing metal seam roof. A second series of experiments was conducted on the metal frame technology. These experiments represented two fire scenarios, a room of content fire venting from a window and the ignition of debris accumulation under the array. The results of these experiments provide a technical basis for the fire service to examine their equipment, tactics, standard operating procedures and training content. Several tactical considerations were developed utilizing the data from the experiments to provide specific examples of potential electrical shock hazard from PV installations during and after a fire event.
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4

Backstrom, Robert, and David Backstrom. Firefighter Safety and Photovoltaic Installations Research Project. UL Firefighter Safety Research Institute, November 2011. http://dx.doi.org/10.54206/102376/viyv4379.

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Under the United States Department of Homeland Security (DHS) Assistance to Firefighter Grant Fire Prevention and Safety Research Program, Underwriters Laboratories examined fire service concerns of photovoltaic (PV) systems. These concerns include firefighter vulnerability to electrical and casualty hazards when mitigating a fire involving photovoltaic (PV) modules systems. The need for this project is significant acknowledging the increasing use of photovoltaic systems, growing at a rate of 30% annually. As a result of greater utilization, traditional firefighter tactics for suppression, ventilation and overhaul have been complicated, leaving firefighters vulnerable to potentially unrecognized exposure. Though the electrical and fire hazards associated with electrical generation and distribution systems is well known, PV systems present unique safety considerations. A very limited body of knowledge and insufficient data exists to understand the risks to the extent that the fire service has been unable to develop safety solutions and respond in a safe manner. This fire research project developed the empirical data that is needed to quantify the hazards associated with PV installations. This data provides the foundation to modify current or develop new firefighting practices to reduce firefighter death and injury. A functioning PV array was constructed at Underwriters Laboratories in Northbrook, IL to serve as a test fixture. The main test array consisted of 26 PV framed modules rated 230 W each (5980 W total rated power). Multiple experiments were conducted to investigate the efficacy of power isolation techniques and the potential hazard from contact of typical firefighter tools with live electrical PV components. Existing fire test fixtures located at the Delaware County Emergency Services Training Center were modified to construct full scale representations of roof mounted PV systems. PV arrays were mounted above Class A roofs supported by wood trusses. Two series of experiments were conducted. The first series represented a room of content fire, extending into the attic space, breaching the roof and resulting in structural collapse. Three PV technologies were subjected to this fire condition – rack mounted metal framed, glass on polymer modules, building integrated PV shingles, and a flexible laminate attached to a standing metal seam roof. A second series of experiments was conducted on the metal frame technology. These experiments represented two fire scenarios, a room of content fire venting from a window and the ignition of debris accumulation under the array. The results of these experiments provide a technical basis for the fire service to examine their equipment, tactics, standard operating procedures and training content. Several tactical considerations were developed utilizing the data from the experiments to provide specific examples of potential electrical shock hazard from PV installations during and after a fire event.
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