Academic literature on the topic 'Lumber'

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Journal articles on the topic "Lumber"

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Onat, Saadettin Murat, and Serkan Özdemir. "Optimizacija parametara proizvodnje ugušćene lamelirane furnirske građe proizvedene upotrebom urea-formaldehidne smole." Drvna industrija 74, no. 3 (2023): 327–35. http://dx.doi.org/10.5552/drvind.2023.0079.

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This research aims to optimize densified laminated veneer lumber production parameters of compression ratio, press temperature, press time, and adhesive spread rate to maximize their mechanical properties. In the manufacturing process of densified laminated veneer lumber, I-77/51 American poplar clone (Populus deltoides) veneers and urea formaldehyde adhesive are used. The results showed that the compression rate and press time had the most significant impact on the mechanical properties of densified laminated veneer lumber. The optimal production conditions were determined as follows: 38 % co
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Rawat, Yashwant Singh, Misganu Eba, and Moti Nebiyu. "Lumber Recovery Rate of Cupressus lusitanica in Arsi Forest Enterprise, Ethiopia." Sustainability 15, no. 2 (2023): 1046. http://dx.doi.org/10.3390/su15021046.

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In Ethiopia, sawmills have poor capacity utilization primarily due to the outdated equipment that resulted in a low recovery rate and the production of a high amount of wastage. The lumber recovery rate is the output (lumber) of a log in the sawing process. In Ethiopia, Cupressus lusitanica is significantly used for lumber, for furniture production, construction, poles and posts. Sampled logs were processed according to the normal production rate and standard lumber dimension of the sawmill for the purpose of estimating the lumber recovery rate. The present study aimed to investigate the lumbe
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Shibasaki, Yasuhiko, Kenta Kobayashi, Tatsuya Suwabe, et al. "Depletion of Pre-Transplant Skeletal Muscle Is a Significant Poor Prognostic Factor in Allogeneic Hematopoietic Cell Transplantation." Blood 134, Supplement_1 (2019): 3322. http://dx.doi.org/10.1182/blood-2019-124733.

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Introduction Depletion of skeletal muscle is a poor prognostic factor for patients with various malignancies; however its significance for allogeneic hematopoietic cell transplantation (allo-HCT) in patients with hematological disease is unclear. Generally, muscle mass is measured by the methods established by the European Working Group on Sarcopenia in Older People, which require the use of dual energy X-ray absorptiometry or bioimpedance analysis, methods that are not performed in routine practice. Therefore, cross-sectional imaging using computed tomography (CT) has been suggested as an alt
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Song, Shi Quan, Hua Dong Xu, and Li Hai Wang. "The Application of Modal Analysis in Hole-Defect in Lumber." Key Engineering Materials 467-469 (February 2011): 1776–80. http://dx.doi.org/10.4028/www.scientific.net/kem.467-469.1776.

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Larch lumbers were tested by using modal analysis technology and Frequency response functions (FRF) were derived. Modal parameters, including first 4 intrinsic frequency and first 3 modal shape, were distinguished by single modal method. Research shows that the intrinsic frequency of hole-defect lumbers is little lower than standard lumbers’ and the change rate of frequency is becoming larger gradually with the diameter of hole-defect. However, it can not judge the position of the hole-defect by the change rate of frequency. The modal shape of the node near the hole-defect always jumps abruptl
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Y, Chudasma Hardik, Yadav C. R, and Pareek Pooja. "Management of Katishool by Shaman aushadhi along with Panchkarma therapy A case study." International Journal of Ayurvedic Medicine 10, no. 1 (2019): 118–21. http://dx.doi.org/10.47552/ijam.v10i1.1158.

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Spondylosis refers to degenerative changes in the spine such as bone spurs and degenerative changes in intervertebral disc. Lumber spondylosis mainly affects on lower spine. In this condition spine is compromised by a narrowing of the space between the vertebrae. In a classic case of lumber spondylosis, the space between discs in the lumbar spine becomes narrowed. Because of this the patient develops numbness, tingling and pain which seem to radiate out from the area. These symptoms are the results of pressure on the nerves as they exit the spinal cord. It has been estimated that about 80% of
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Chang, Wei-Yew, and Chris Gaston. "The competitiveness of Canadian softwood lumber: a disaggregated trade-flow analysis." Canadian Journal of Forest Research 44, no. 12 (2014): 1494–506. http://dx.doi.org/10.1139/cjfr-2014-0058.

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A recursive dynamic spatial equilibrium model is used to examine the global competitiveness of Canadian softwood lumber. To address the restrictive assumption of softwood lumber homogeneity, this study disaggregates softwood lumber into two product groups: (i) higher grade lumber that includes appearance, select structural-grade lumber, and Japanese J-grade lumber; and (ii) lower grade lumber that includes the United States dimension lumber that is commonly used in construction and utility- and economy-grade lumber. Factors that may affect global softwood lumber markets are simulated in the mo
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Ziad, Alishbah, Madiha Saeed Wahla, Nimra Riaz, Salma Gul, Muhammad Mahad Umar Lodhi, and Suraya Bano. "OSTEOPOROSIS WITHIN A COHORT OF POSTMENOPAUSAL PAKISTANI WOMEN USING DUAL X-RAY BONE DENSITOMETRY." KHYBER MEDICAL UNIVERSITY JOURNAL 14, no. 4 (2021): 193–6. http://dx.doi.org/10.35845/kmuj.2021.21685.

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OBJECTIVE: To explore the prevalence of osteopenia and osteoporosis within a cohort of Pakistani postmenopausal women with respect to the lumbar spine and hip.
 METHODS: This cross-sectional study was conducted at Shifa International Hospital Islamabad, Pakistan from September 2019 to Feb 2020. Study comprised of 237 postmenopausal females who visited the outpatient department of the hospital. The T-scores of Bone Mineral density (BMD) data was collected and arranged in three groups: normal, osteopenia and osteoporosis. Data was analyzed to explore the distribution of the data and correla
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Murtopo, Ali, Ria Miftakhul Jannah, Sabilla Sabilla, and Labibah Tsaniyah. "Failure Analysis of Glulam Lumber Beam Made from Meranti Lumber Pieces (Shorea SP)." Jurnal Teknik Sipil dan Perencanaan 22, no. 2 (2020): 137–45. http://dx.doi.org/10.15294/jtsp.v22i2.26231.

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The development of glue-laminated (glulam) lumber beam gives many good results. Meranti (Shorea SP) is one of the construction lumber that can be used as glulam to optimize its use. The limitation of the glulam lumber beam is the limited length of the lumber, so it must be joined to get a certain length. The lumber available in the market on average has a limited size and cross-sectional length. The larger the cross-sectional size and length of the lumber make the higher the price. Used lumber and residual lumber also have many weaknesses, such as the length of suitable lumber is too short, lu
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Reddy, Vijay S., and Robert J. Bush. "Measuring Softwood Lumber Value: A Conjoint Analysis Approach." Forest Science 44, no. 1 (1998): 145–57. http://dx.doi.org/10.1093/forestscience/44.1.145.

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Abstract Conjoint analysis was used to determine softwood lumber value perceptions among buyers of wood for preservative treatment and to determine trade-offs between lumber attributes and price. Utility functions for each lumber attribute and a model to estimate overall lumber value were developed. Wane was found to be the most important attribute in the evaluation of lumber value, followed by price, accuracy of grading, damage to the lumber package, lumber straightness, and lumber moisture content (in that order). Utility scores of individual respondents and simulation techniques were used t
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Khademibami, Laya, Alan Sherrington, Rubin Shmulsky, and Franklin Quin. "Determination of Flexural Strength of Structural Red and White Oak and Hardwood Composite Lumber." Forest Products Journal 71, no. 4 (2021): 401–6. http://dx.doi.org/10.13073/fpj-d-21-00051.

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Abstract In this research, flexural properties of mill-run, in-grade red and white oak lumber from a single mill and commercially available laminated hardwood composite were evaluated. Structurally graded green (wet) freshly sawn red and white oak 5 by 10-cm (2 by 4-in) nominal lumber as well as glue-laminated hardwood composite billets were tested in bending and their modulus of rupture (MOR) and modulus of elasticity (MOE) properties were developed. It is well documented that MOR and MOE are two major indicators to evaluate flexural strength of wood lumbers. From these data, summary statisti
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Dissertations / Theses on the topic "Lumber"

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Tomporoski, Alexandre Assis. "O pessoal da Lumber!" Florianópolis, SC, 2006. http://repositorio.ufsc.br/xmlui/handle/123456789/89306.

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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Filosofia e Ciências Humanas. Programa de Pós-Graduação em História.<br>Made available in DSpace on 2012-10-22T19:16:48Z (GMT). No. of bitstreams: 1 242374.pdf: 4560310 bytes, checksum: 86f4ebd3c744a6816dfd4a3b033ab430 (MD5)<br>Esta dissertação objetiva analisar as relações que envolveram o viver dos trabalhadores da Southern Brazil Lumber and Colonization Company, suas origens, formação e atuação na região do planalto norte de Santa Catarina, especialmente entre os anos de 1910 a 1929. Para tanto, serão analisadas algu
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King, Helene. "The economic history of the Long-Bell Lumber Company." Lake Charles, La. : McNeese State University, Frazar Memorial Library, Dept. of Archives and Special Collections, 2008. http://library.mcneese.edu/depts/archive/FTBooks/king.htm.

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Roch, Alain. "Les flux de transport du bois et des pâtes et papiers au Saguenay-Lac-Saint-Jean-Chibougamau : les effets de la distance entre les aires de coupe et les usines de transformations [sic] /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2005. http://theses.uqac.ca.

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Cunliffe, Richard I. (Richard Ian) Carleton University Dissertation Engineering Civil. "Proof-loading effects on lumber." Ottawa, 1988.

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Ese-Etame, Roncs. "Impact of Ellipticality on Lumber Grade and Volume Recovery For Red Oak Logs." Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/33429.

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Hardwood sawmills must become more efficient to remain competitive. One way to increase efficiency and competitiveness is to increase the value or lumber volume produced from logs. While methods to maximize value and volume recovery exist for round logs, little information exists on how to maximize these outcomes for logs with ellipticality. The goal of this research was to determine the impact of low and high degrees of ellipticality on green lumber grade and volume recovery for red oak logs under current sawing methods. Logs of low and high ellipticality were selected and processed at four A
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Nistal, Franca Frederico Jose. "Nondestructive Evaluation of Southern Pine Lumber." Thesis, Mississippi State University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10288887.

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<p> Southern pine (SP) lumber is the primary softwood material in the United States. The main procedure during lumber grading process is the identification of the strength reducing characteristics that impacts the modulus of rupture (MOR). Non-destructive evaluation technology can be used to identify higher-stiffness material. This study investigated the use of vibration methods to evaluate the mechanical properties of southern pine lumber. Significant correlations between the properties determined by non-destructive techniques and the static MOE were found. No strong correlations were found f
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Ho, Wai-hung Daniel, and 何偉雄. "Genetic study of lumber disc degeneration." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B42841215.

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Strong, Neil. "Fungal deterioration of sawn softwood lumber." Thesis, University of Portsmouth, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285528.

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The colonisation of freshly sawn Corsican pine lumber by sapstain and mould fungi was investigated at a sawmill in Hampshire, UK. Three repeat trials encompassing the different seasons of the year were carried out over two years. Results show that fungal colonisation of sawn lumber is dependent on the effect of time of year. Sawlogs were stored for different intervals up to 16 weeks before conversion to boards. Boards were then stored for up to 12 weeks after milling and sampled every 4 weeks to determine the effect of timber ageing on fungal colonisation up to 28 weeks after felling. The meta
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Ho, Wai-hung Daniel. "Genetic study of lumber disc degeneration." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B42841215.

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Craig, Bruce A. "Comparison of creep/duration of load performance in bending of Parallam® parallel strand lumber to machine stress rated lumber." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26194.

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A comparison of the creep/duration of load (DOL) performance of a new structural wood composite material called Parallam® parallel strand lumber (PSL) to two grades of machine-stress-rated (HSR) Douglas-fir lumber is presented in this thesis. Evaluation of the creep/DOL performance was made on nominal 2x4 members under constant bending stress at three stress levels. A total of 306 test specimens were evaluated for a 15-1/2 month time period. The analysis suggests that the duration of load effect for Parallam PSL was consistent with the Madison curve for the time period studied while the MSR D
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Books on the topic "Lumber"

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Canada, Industry Science and Technology Canada. Lumber. Industry, Science and Technology Canada, 1991.

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Canada. Industry, Science and Technology Canada. Softwood lumber. Industry, Science and Technology Canada, 1988.

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Canada. Industry, Science and Technology Canada. Hardwood lumber. Industry, Science and Technology Canada, 1988.

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Brown, Terence D. Lumber size control. Forest Research Lab, College of Forestry, Oregon State University, 1986.

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Brown, Terence D. Lumber size control. Oregon State University Extension Service, 2000.

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Denig, Joseph. Drying hardwood lumber. USDA Forest Service Forest Products Laboratory, 2000.

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Kinsey-Warnock, Natalie. Lumber camp library. HarperCollins, 2002.

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Denig, Joseph. Drying hardwood lumber. U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 2000.

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Barrett, J. D. Canadian lumber properties. Canadian Wood Council, 1994.

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Gorte, Ross W. Lumber prices -- 1993. Congressional Research Service, Library of Congress, 1994.

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Book chapters on the topic "Lumber"

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Gooch, Jan W. "Dressed Lumber." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_4018.

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Keey, Roger B., Timothy A. G. Langrish, and John C. F. Walker. "Lumber Quality." In Kiln-Drying of Lumber. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59653-7_7.

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Gooch, Jan W. "Green Lumber." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_5656.

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Hanscom, David, and Peter Grunert. "Revision Lumber Decompressions." In The Resident's Guide to Spine Surgery. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20847-9_31.

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Rafferty, Milton D. "The Lumber Industry." In Missouri. Routledge, 2019. http://dx.doi.org/10.4324/9780429048272-8.

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Matsumura, Masaie, and Judith R. Walkowitz. "The Lumber Troop." In Unknown London Vol 6. Routledge, 2024. http://dx.doi.org/10.4324/9781003550884-3.

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Sørensen, Tonje Haugland. "Looking for Lumber." In Landscape and Nature in Scandinavian Art. Routledge, 2025. https://doi.org/10.4324/9781003498773-14.

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Keey, Roger B., Timothy A. G. Langrish, and John C. F. Walker. "Pretreatments of Green Lumber." In Kiln-Drying of Lumber. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59653-7_11.

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Keey, Roger B., Timothy A. G. Langrish, and John C. F. Walker. "The Structure of Wood." In Kiln-Drying of Lumber. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59653-7_1.

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Keey, Roger B., Timothy A. G. Langrish, and John C. F. Walker. "Kiln Operation." In Kiln-Drying of Lumber. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59653-7_10.

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Conference papers on the topic "Lumber"

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Böhm, Florian, Sajjad Jubair, Andriy Kovryga, and Jan-Willem Van De Kuilen. "MECHANICAL PROPERTIES OF SECONDARY LUMBER OF NORWAY SPRUCE." In World Conference on Timber Engineering 2025. World Conference On Timber Engineering 2025, 2025. https://doi.org/10.52202/080513-0298.

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Fuchita, Yasuhiro, Toshiharu Nakanishi, Yuya Hayashi, Makoto Nakamura, and Masanori Fujita. "Bending test of the laminated veneer lumber beam with screws or bolts." In IABSE Symposium, Tokyo 2025: Environmentally Friendly Technologies and Structures: Focusing on Sustainable Approaches. International Association for Bridge and Structural Engineering (IABSE), 2025. https://doi.org/10.2749/tokyo.2025.2788.

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&lt;p&gt;In recent years, there has been an increase in the construction of mid- to high-rise buildings using wood for structural members. Laminated veneer lumber (LVL), in which the wood fibers run in one direction, is advantageous in transmitting shear and bending stresses in columns and beams of long members. Thus, veneer laminated lumber is arranged so that the beam direction is the strong axis, and each LVL material is dry-joined. Bending tests are conducted using the pitch of screws and bolts used for joining and the number of LVL lumber as parameters. To simplify construction, the pitch
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Takahashi, Yuki, and Yuji Miyazu. "OPTIMIZED LUMBER ARRANGEMENT IN NLT SUBJECT TO IN-PLANE SHEAR FORCE." In World Conference on Timber Engineering 2025. World Conference On Timber Engineering 2025, 2025. https://doi.org/10.52202/080513-0016.

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Jayawickrama, Michelle, Lech Muszynski, Dessie Tibebu, and Elijah Olawumi. "STRUCTURAL PROPERTIES OF LUMBER FROM SMALL LOGS GENERATED IN FOREST THINNING OPERATIONS." In World Conference on Timber Engineering 2025. World Conference On Timber Engineering 2025, 2025. https://doi.org/10.52202/080513-0278.

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Fu, Jia, Wenhao Hu, Jinsong Liao, Anliang Chen, and Sishi Pan. "A Deep Reinforcement Learning Based Optimization Scheme for Three-dimensional Lumber Crating." In 2025 8th World Conference on Computing and Communication Technologies (WCCCT). IEEE, 2025. https://doi.org/10.1109/wccct65447.2025.11027952.

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Wang, Dawei, Mengyuan Zhang, Hao Xie, Meng Gong, and Ying Hei Chui. "USE OF TREMBLING ASPEN LUMBER TO PRODUCE GLUED-LAMINATED TIMBER BEAMS: BENDING PERFORMANCE." In World Conference on Timber Engineering 2025. World Conference On Timber Engineering 2025, 2025. https://doi.org/10.52202/080513-0389.

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Kodera, Ayano, Natsuki Horie, Kazumi Kudo, and Yuya Takaiwa. "DESIGN AND FABRICATION OF A WOODEN PAVILION USING UNDERUTILIZED LUMBER, AND PROPOSAL FOR CONVERSION." In World Conference on Timber Engineering 2025. World Conference On Timber Engineering 2025, 2025. https://doi.org/10.52202/080513-0008.

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Franck, Pascal, O. Bletz-Mühldorfer, L. Bathon, Ronja Scholz, and Frank Walther. "MECHANICAL CHARACTERIZATION OF THE SHORT- AND LONG-TERM BEHAVIOR OF GLUED-IN RODS IN LAMINATED BAMBOO LUMBER." In World Conference on Timber Engineering 2025. World Conference On Timber Engineering 2025, 2025. https://doi.org/10.52202/080513-0266.

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Asako, Y., H. Nishimura, H. Kamikoga, and Y. Yamaguchi. "Effective Thermal Conductivity of Compressed Woods." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1488.

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Abstract The total amount of lumbers consumed in Japan during a year, reaches to 1.1 billion cubic meter. However, 75 percent of them are imported. The resource of same 1.1 billion cubic meters is growing up every year in the domestic forest. This is due to the price difference between the domestic and imported lumbers. It is strongly required to improve the quality of the domestic lumber. One solution of the improvement of the domestic lumber is the compression of the wood. It results in a good strength characteristics. However, the thermal characteristics of the compressed wood has not been
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Tanizaki, Takashi, Masahide Arino, and Takayuki Kataoka. "Production Planning Algorithm for a Pre-Cut Lumber Factory Using Metaheuristics." In 2024 International Symposium on Flexible Automation. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/isfa2024-140626.

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Abstract In Japan, the demand for wooden houses is increasing while the number of carpenters is decreasing. Therefore, it is necessary to improve productivity in wooden house construction. This has led to an increase in the use of the pre-cut method. The pre-cut method is a method in which raw materials (base woods) and joints are processed in advance based on the design. Compared to conventional methods, the pre-cut method has various advantages, such as reduced construction time at the construction site and improved processing accuracy. With the above background, we have been conducting to i
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Reports on the topic "Lumber"

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Galligan, William L., and Kent A. McDonald. Machine grading of lumber : practical concerns for lumber producers. U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 2000. http://dx.doi.org/10.2737/fpl-gtr-7.

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Hoff, Kristen. Limitations of lumber-yield nomograms for predicting lumber requirements. U.S. Department of Agriculture, Forest Service, Northeastern Research Station, 2000. http://dx.doi.org/10.2737/ne-gtr-270.

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Denig, Joseph, Eugene M. Wengert, and William T. Simpson. Drying hardwood lumber. U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 2000. http://dx.doi.org/10.2737/fpl-gtr-118.

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Darby, Kaye. The emergence of the large lumber producers and their significance to the lumber industry. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.461.

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Hansen, Bruce G., and A. Jeff Palmer. JIL:Japanese Imports of Lumber-user's guide and brief analysis of Japanese hardwood lumber import trends. U.S. Department of Agriculture, Forest Service, Northeastern Forest Experimental Station, 1997. http://dx.doi.org/10.2737/ne-gtr-235.

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Hansen, Bruce G., and A. Jeff Palmer. JIL:Japanese Imports of Lumber-user's guide and brief analysis of Japanese hardwood lumber import trends. U.S. Department of Agriculture, Forest Service, Northeastern Forest Experimental Station, 1997. http://dx.doi.org/10.2737/ne-gtr-235.

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Wolfe, Ronald W., Marshall Begel, and Bruce Craig. Timber rivets in structural composite lumber. U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 2004. http://dx.doi.org/10.2737/fpl-gtr-153.

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Luppold, William G., Jennifer M. Jacobsen, and Jennifer M. Jacobsen. The determinants of hardwood lumber price. U.S. Department of Agriculture, Forest Service, Northeastern Forest Experimental Station, 1985. http://dx.doi.org/10.2737/ne-rp-558.

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Luppold, William G., Jennifer M. Jacobsen, and Jennifer M. Jacobsen. The determinants of hardwood lumber price. U.S. Department of Agriculture, Forest Service, Northeastern Forest Experimental Station, 1985. http://dx.doi.org/10.2737/ne-rp-558.

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White, Robert H. Fire resistance of structural composite lumber products. U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 2006. http://dx.doi.org/10.2737/fpl-rp-633.

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