Hardboard-webbed I-beams effects of long-term loading and loading environment by Michael J. Superfesky

Cover of: Hardboard-webbed I-beams | Michael J. Superfesky

Published by Dept. of Agriculture, Forest Service, Forest Products Laboratory in Madison, Wis .

Written in English

Read online

Subjects:

  • Hardboard.,
  • Wood -- Research -- United States.,
  • Wooden beams -- Testing.

Edition Notes

Bibliography: p. 13.

Book details

Statementby Michael J. Superfesky and Terry J. Ramaker.
SeriesUSDA Forest Service research paper FPL ; 306, Research paper FPL -- 306.
ContributionsRamaker, Terry J., Forest Products Laboratory (U.S.)., United States. Forest Service.
The Physical Object
Pagination15 p. :
Number of Pages15
ID Numbers
Open LibraryOL15231250M

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hardboard-webbed I-beams appears to be at least comparable to that of I-beams with plywood webs. Results of this study will be useful to researchers, designers, and building code of­ ficials for judging the acceptability of wood-base materials in structural components such as I-beams.

Get this from a library. Hardboard-webbed I-beams: effects of long-term loading and loading environment. [M J Superfesky; T J Ramaker]. HARDBOARD-WEBBED I-BEAMS. SUBJECTED TO SHORT-TERM LOADING. 1 2. By MICHAEL J. SUPERFESKY, Engineer. and. TERRY J. RAMAKER, Engineer. Forest Products Laboratory, 3 Forest Service U.S.

Department of Agriculture. INTRODUCTION. The performance of structural I-beams and box beams is highly dependent on the shear properties. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle.

Open Library is an open, editable library catalog, building towards a web page for every book ever published. Hardboard-webbed I-beams: effects of long-term loading and loading environment / (Madison, Wis.: Dept.

of Agriculture, Forest Service, Forest Products Laboratory, ), by Michael J. Superfesky, Terry J. Ramaker, United States Forest Service, and Forest Products Laboratory (U.S.) (page images at HathiTrust). Buy Hardboard-webbed I-beams: Effects of long-term loading and loading environment (USDA Forest Service research paper FPL) by Michael J Superfesky (ISBN:) from Amazon's Book Store.

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Dept. of Agriculture, Forest Service, Forest Products Laboratory, ), by Terry J. Ramaker and Michael D. Davister (page images at HathiTrust; US access only) Inspection of wood beams & trusses. (Alexandria, Va.: Naval Facilities Engineering Command, ), by United. NBS Chorus Features and pricing Book a demonstration Sign in to NBS Chorus Other tools National BIM Library Uniclass Construction Information Service (CIS) Plug-ins plywood gusseted trussed rafters and nailed hardboard webbed I beams DESEXAMPLES P5 Two storey office and study room block: plywood gusseted trussed rafters and nailed.

Hardboard-webbed I-beams: effects of long-term loading and loading environment [] Superfesky, Michael J. Madison, Wis.: Dept. of Agriculture, Forest Service, Forest Products Laboratory, showed that hardboard-webbed I-beams exhibit linear behavior to a load level equivalent to 60% of the rail shear strength of the hardboard web.

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All books are in clear copy here, and all files are secure so don't worry about it. In this study, Japanese cedar (Cryptomeria japonica (L.

f.) D. Don) harvested from a plantation in Taiwan was used to develop built-up beams using self-tapping screws as metal connectors and resorcinol formaldehyde resin as glue to assemble components based on various assembly configurations. Results showed that adding glue provided flexural rigidity, whereas assembly Author: Tsai-Po Chien, Te-Hsin Yang, Feng-Cheng Chang.

observed similar creep behavior between I-beams wi th particleboard and hardboard to I-beams with lumber webs. Leichti and Tang () tested I. The tensor polynomial strength theory for anisotropic materials was coupled with finite-element analyses to predict the ultimate load capacity of several wood-composite I-beams.

Small-specimen tests with the constituent materials provided elastic constants for the finite-element computations and ultimate strengths for development of strength by: 5.

Box Beams and I-Beams 11–12 Prefabricated Wood I-Joists 11–13 Stressed-Skin Panels 11–14 Structural Sandwich Construction 11–16 Fabrication 11–16 Structural Design 11–17 Dimensional Stability, Durability, and Bowing 11–20 Thermal Insulation 11–20 Fire Resistance 11–21 References 11– sum Company, which then owned the insulation board plant in Greenville, and Thus, U.S.

Gypsum became the first compa. I-Beams and Box-Beams Glued plywood beams are generally fabricated with solid or LVL lumber flanges and Structural I or C-D EXT, plywood webs. Webs are commonly 3/8- or 5/8-inch plywood. The construction may be either I- or box-beam design, but the I.

Composite wood I-joists have been used widely as floor and roof joists in the construction of commercial and residential buildings in Europe and North America since mids.

These engineered timber I-joists are less expensive, lighter in weight, stronger, and more efficient compared to the solid sawn lumber beams. According to the Canadian Standards for Wood Author: Mohammad Shahidul Islam. This banner text can have markup. web; books; video; audio; software; images; Toggle navigation.

Full text of "Forest Service research accomplishments" See other formats. Full text of "Monthly catalog of United States government publications" See other formats. Long-Term Load Performance of Hardboard I-Beams. Dobbin McNatt Michael J. Superfesky Abstract.

Built-up l-beams with hardboard shear webs and laminatedveneer lumber flanges exhibited satisfactory performance when subjected to constant loads for up to 5 years in interior, protected exterior, and controlled cyclic humidity environments.

CALANDRIA TYPE SODIUM GRAPHITE REACTOR. DOEpatents. Peterson, R.M.; Mahlmeister, J.E.; Vaughn, N.E.; Sanders, W.J.; Williams, A.C. A sodium graphite power. Free torsional vibrations of tapered cantilever I-beams.

NASA Astrophysics Data System (ADS) Rao, C. Kameswara; Mirza, S. Torsional vibration characteristics of. performance of wood i-joists under moderate sustained loading for 5. Technology and the Canadian Forest-Product Industries - ArtSites. The lateral buckling of I-beams will also be slightly conservative because bending rigidity of the flange has been neglected in writing the equations given here.

If buckling of the I-beam seems possible at design loads, the more accurate analysis of Forest Products Laboratory Report B (Lewis and others ) should be used before : ,西 南 林 学 院 硕士研究生学位论文开题报告 题目:腹板性能及其对整体性能的影响 研究生姓名: 任雪莹 学号: 入 学 年月: 年9月 导 师 姓名: 张宏健 职称: 教授 职称: 报告主持人: 报告日期:年3月2日 填 表 说 明 一、开题报告各项内容.

,西 南 林 学 院 硕士研究生学位论文开题报告 题目:腹板性能及其对整体性能的影响 研究生姓名: 任雪莹 学号: 座机电话号码 入 学 年月: 年9月 导 师 姓名: 张宏健 职称: 教授 职称: 报告主持人: 报告日期:年3月11日 填 表 说 明 一、开题报告各项 .

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