The NCWTS is an information resource center at the Institute for Transportation, at Iowa State University.

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All Materials for Topic Glulam (101 records)

2015

Hosteng, T.; Wacker, J. 2015. Investigation of Glulam Girder Bridges with Composite Concrete Decks. 4719-028. USDA, Forest Service, Forest Products Lab.

Bridge engineers, designers, and contractors are in need of cost-effective bridge designs utilizing durable, long-lasting materials that are construction friendly and allow them to rehabilitate …

Hosteng, T.; Wacker, J.; Senalik, A. 2015. Performance Monitoring of a GRS/Timber Bridge. USDA, Forest Service, Forest Products Lab.

To design, construct, monitor, and evaluate a glulam girder bridge superstructure used in conjunction with a GRS-IBS. The primary objective of this study is to design and build a bridge system …

Buchanan County, Iowa; USDA Forest Products Laboratory; ISU, NCWTS. 2015. Design and Construction of a Glued-laminated Timber Girder Bridge on GRS Abutments. USDA, Forest Service, Forest Products Lab.

The objective of this study is to design and construct a glued-laminated timber girder bridge with GRS abutments. The work will document the design and construction process, as well as the …

Hosteng, T.; Wacker, J.; Senalik, A. 2015. Performance Monitoring of a GRS/Timber Bridge. USDA, Forest Service, Forest Products Lab.

To design, construct, monitor, and evaluate a glulam girder bridge superstructure used in conjunction with a GRS-IBS. The primary objective of this study is to design and build a bridge system …

Buchanan County, Iowa; USDA Forest Products Laboratory; ISU, NCWTS. 2015. Design and Construction of a Glued-laminated Timber Girder Bridge on GRS Abutments.

The objective of this study is to design and construct a glued-laminated timber girder bridge with GRS abutments. The work will document the design and construction process, as well as the …

Hosteng, T.; Wacker, J. 2015. Investigation of Glulam Girder Bridges with Composite Concrete Decks.

The objective of this study is to research the state-of-the-practice (conduct a literature search) for the use of concrete decks in conjunction with glued-laminated timber girders for highway …

2011

2011. Glue-Laminated Timber: Stress-Lam Decks (611 MB). USDA, Forest Service, Forest Products Lab.

2011. Glue-Laminated Timber: Longitudinal Decks (276 MB). USDA, Forest Service, Forest Products Lab.

2010

Wacker, J. 2010. Use of Red Pine for Stress-Laminated Glulam Bridges in Wisconsin. SmallWood 2010. USDA, Forest Service, Forest Products Lab.

Davids, W.; Dagher, H.; Lindyberg, R.; Lopez-Anido, R. 2010. FRP-Reinforced Glulam Bridges: Development and Implementation. SmallWood 2010. Dept. of Civil & Environmental Engineering, University of Maine.

Hosteng, T. 2010. Field Testing and Evaluation of a Demonstration Timber Bridge (7.93 MB). Structures Congress 2010. Iowa State University.

This presentation will describe the laboratory testing and field demonstration of a new glulam bridge. Laboratory work addressed the problematic asphalt cracking common in transverse glulam panel …

James Wacker; Matthew Smith. 2010. Development of Standard Plans for Glulam Highway Bridges. National Center for Wood Transportation Structures.

This study develops updated and standardized design information for glulam highway bridges in accordance with the current American Association of State Highway and Transportation Officials Bridge …

Hislop, L. 2010. Pondersosa Pine Glulam Bridges in Arizona. SmallWood 2010. USDA, Forest Service.

Phares, B.; Hosteng, T. 2010. Evaluation of a Timber Bridge for the Secondary Road System using FRP Reinforced Glulam Girders (651 KB). DIP-2004-02. USDA, Forest Service, Forest Products Lab.

The objective of this project was to construct a timber bridge with FRP-reinforced glued-laminated timber girders and evaluate its in-service structural performance.

Martinson, K.; Smith, M. 2010. Glued-Laminated Timber Bridge Installation Videos (314 KB). 3333-017. USDA, Forest Service, Forest Products Lab.

This project will provide to any prospective user of glued-laminated timber bridge systems a clear and concise sequence of proper installation techniques and provide a sense of the types and …

Fanous, F.; Wipf, T.; Ritter, M. 2010. Live Load Distribution on Longitudinal Glued- Laminated Timber Deck Bridges. FPL–GTR–194. USDA, Forest Service, Forest Products Lab.

Over the past few years the United States Department of Agriculture (USDA), Forest Products Laboratory (FPL), and the Federal Highway Administration (FHWA) have supported several research programs. …

2009

Phares, B.; Hosteng, T. 2009. Construction of a Field Test Bridge for Evaluating Deck Design Details (721 kb). USDA, Forest Service, Forest Products Lab.

The objective of this project is to construct a timber bridge with one of the developed and laboratory-tested design details. This work will consist of constructing and evaluating a …

2007

Phares, B.; Wacker, J. 2007. Development of a Smart Timber Bridge Phase II: Integration of Sensors into Glued-Laminated Beams (285 KB). USDA, Forest Service, Forest Products Lab.

The objective of this work is to develop techniques for integrating sensors within timber bridge glued-laminated components. Because sensors have not typically been embedded within glued-laminated …

2005

Phares, B.; Wipf, T. 2005. Development of a Smart Glued-Laminated Timber Bridge (126 KB). USDA, Forest Service, Forest Products Lab.

The objectives of this work are to develop an initial concept for a smart timber bridge and to develop a 5-year research plan for initial development, beta testing, and deployment of such a system.

2004

Wacker, J. 2004. Field Performance of Stress-Laminated Highway Bridges Constructed with Glued Laminated Timber. Structures Congress 2004: Proceedings of the 2004 ASCE Structures Congress.

Wipf, T.; Phares, B.; Hosteng, T.; Wood, D.; Ritter, M. 2004. Live Load Deflection of Timber Bridges (3.79 MB). USDA, Forest Service, Forest Products Lab.

In order to promote and increase the use of timber bridges in our nations transportation systems, the United States Department of Agriculture (USDA) and the Forest Products Laboratory funded …

Wipf, T.; Phares, B.; Bigelow, J.; Wood, D.; Ritter, M. 2004. Dynamic Field Performance of Timber Bridges (835.9 KB). USDA, Forest Service, Forest Products Lab.

In order to better utilize and develop timber structures in transportation, the United States government implemented several national programs starting in the early 1990’s. One specific need …

Cesa, E.; Bejune, J.; Strothers, M. 2004. Portable Timber Bridges as a Best Management Practice in Forest Management. NA-TP-04-04. USDA, Forest Service, Northeastern Area, NWTIC.

Those responsible for the management of our forests and other natural resources are finding it more challenging to manage these resources. These challenges are the result of environmental concerns …

2002

2002. The Norwegian Institute of Wood Technology. The Norwegian Institute of Wood Technology.

The institute works within the following areas: Wood technology, sawmilling and planning, drying of wood, wood protection, wood constructions and structural elements, gluing, glulam production, …

Polivka, K.; Faller, R.; Ritter, M.; Rosson, B.; Fowler, M.; Keller, E. 2002. Two Test Level 4 Bridge Railing and Transition Systems for Transverse Timber Deck Bridges. FP-95-RJVA-2630. USDA, Forest Service, Forest Products Lab.

The Midwest Roadside Safety Facility, in cooperation with the Forest Products Laboratory, which is part of the U.S. Department of Agriculture's Forest Service, and FHWA, designed two bridge railing …

2001

National Wood in Transportation Program. 2001. Sunset Hill Road Bridge, Missoula County, Montana (105 kb).

National Wood in Transportation Program. 2001. High Point Road Timber Bridge, Bay County, Florida (166 kb).

Taylor, S.; Morgan, P.; Ritter, M.; Franklin, J. 2001. Portable T-Section Glulam Timber Bridge Modules: Modeling and Performance. USDA, Forest Service, Forest Products Lab.

This report describes the design, modeling, and testing of two portable timber bridges, each consisting of two non-interconnected longitudinal glued-laminated timber (glulam) deck panel modules 1.8 …

Kurian, A. 2001. Finite element analysis of longitudinal glulam timber deck and glulam timber girder bridges. Iowa State University.

The objective of this study is three-fold: 1. To make efficient finite element models of the longitudinal glulam deck bridge and the glulam girder bridge that would aid in accurately predicting …

Faller, R.; Rosson, B.; Ritter, M.; Keller, R.; Duwadi, S. 2001. Development of Two Test Level 2 Bridge Railings and Transitions for Use on Transverse Glue-Laminated Deck Bridges (1.5 mb). Transportation Research Record 1743. Paper No. 01-0378. Transportation Research Board, National Research Council.

The Midwest Roadside Safety Facility, in cooperation with the United States Department of Agriculture Forest Service Forest Products Laboratory and FHWA, designed two bridge railing and approach …

2000

Wipf, T.; Ritter, M.; Wood, D. 2000. Evaluation and Field Load Testing of a Timber Railroad Bridge (253 kb). Transportation Research Record 1696. Paper No. 5B0112 Vol. 1. Transportation Research Board, National Research Council.

Several spans of a 60-year-old open-deck timber railroad bridge on the Southern Pacific Railroad Line (now the Union Pacific) in Southwest Texas were field tested. The tests were conducted with the …

Taylor, S.; Ritter, M. 2000. DEVELOPMENT AND TESTING OF PORTABLE GLULAM TIMBER BRIDGE SYSTEMS. Transportation Research Board 79th Annual Meeting. Paper No. 00-0334. USDA, Forest Service, Forest Products Lab.

Interest in portable bridge systems has increased due to heightened awareness for reducing environmental impacts and costs associated with road stream crossings. To illustrate the effectiveness of …

Bureau of Municipal Services. 2000. Hybrid Timber Bridge Instructional Program: Deck Replacement Using Glulam Timber Panels on Steel I-Beams. Pennsylvania Department of Transportation.

CD-ROM containing an interactive overview of timber bridges. Also focuses on deck replacement using glulam timber panels on steel I-beams.

Eamon, C.; Nowak, A.; Ritter, M.; Murphy, J. 2000. Reliability-based criteria for load and resistance factor design code for wood bridges (122 kb). Transportation Research Record 1696. Paper No. 5B0016 Vol. 1. Transportation Research Board, National Research Council.

Recently AASHTO adopted a load and resistance factor design code for highway bridges. The new code provides a rational basis for the design of steel and concrete structures. However, the …

Forest Products Lab. 2000. Crossings (2132 kb). 36. USDA, Forest Service, Forest Products Lab.

Timber Bridge at Cove Mountain Farm; Wood In Transportation Demonstration Projects Funded in Fiscal Year 2000; Glued Laminated Timber Bridge Systems: A Manual to Assist in the Design of Glued …

1999

Morgan, P.; Taylor, S.; Ritter, M.; Franklin, R. 1999. T-Section Glulam Timber Bridge Modules: Modeling and Performance (171 kb). Presented at the 1999 Annual International Meeting sponsored by ASAE and CSAE-SCGR. Paper No. 99-4207. ASAE.

This paper describes the design, modeling, and testing of two portable timber bridges, each consisting of two noninterconnected longitudinal glued-laminated timber (glulam) deck panels 1.8 m (6 ft) …

National Wood in Transportation Program. 1999. Baileyville Bridge, Centre County, Penn. (210 kb).

National Wood in Transportation Program. 1999. Local Bridge No. 1-5, Allegany County, New York (166 kb).

National Wood in Transportation Program. 1999. Trough Creek State Park Bridge, Huntingdon County, Pennsylvania (189 kb).

National Wood in Transportation Program. 1999. East Fork Rosebud Creek Bridge, Carbon County, Montana (137 kb).

1999. Design Concepts: Glulam in Railroad Construction. EWS Y255. APA Engineered Wood Systems.

Glued laminated timber or "glulam" is one of the strongest and most resource efficient members of today's family of glued engineered wood products. Its dimensional stability, strength, …

Franklin, J. 1999. Design Provisions for Portable Longitudinal Glued-Laminated Timber Deck Bridges for use in Forest Operations. Aubrun University.

Design provisions for bridges intended for use in portable, temporary, low-volume applications such as those encountered in forestry operations were evaluated in this research. These design …

National Wood in Transportation Program. 1999. County Bridge #3, Greene County, Pennsylvania (560 kb).

National Wood in Transportation Program. 1999. Baileyville Bridge, Centre County, Pennsylvania (210 kb).

1998

1998. 5th World Conference on Timber Engineering Proceedings Volume 1. World Conference on Timber Engineering 1998. Swiss Federal Institute of Technology.

5th World Conference on Timber Engineering, August 17-20, 1998, Montreux, Switzerland 1st ed. edited by J. Natterer and J.-L. Sandoz.

1998. 5th World Conference on Timber Engineering Proceedings Volume 2. World Conference on Timber Engineering 1998. Swiss Federal Institute of Technology.

5th World Conference on Timber Engineering, August 17-20, 1998, Montreux, Switzerland 1st ed. edited by J. Natterer and J.-L. Sandoz.

1997

Rogers, P.; Otter, D.; Wipf, T.; Ritter, M.; Wood, D. 1997. Effectiveness of glued laminated components in strengthening timber bridges (130 kb). Technology Digest. TD 97(026). AARR Technology Department.

A series of tests on three bridges in revenue service have demonstrated that the installation of glued laminated components can be effective in strengthening timber bridges. The tests were …

Bahri, S. 1997. Static behavior of glued laminated stringer bridges. Iowa State University.

This report focuses on utilizing the finite element method for the analysis of glued laminated stringer bridges.

Hernandez, R.; Davalos, J.; Sonti, S.; Kim, Y.; Moody, R. 1997. Strength and stiffness of reinforced Yellow-Poplar glued laminated beams (554 kb). FPL-RP-554. USDA, Forest Service, Forest Products Lab.

In bridge applications, it is often necessary to minimize the depth of the bridge structure to provide for the required hydraulic opening or reduce the volume of approach fill. For bridges that …

Forest Products Lab. 1997. Crossings (582 kb). 28. USDA, Forest Service, Forest Products Lab.

World's First FRP-Glulam Ocean Pier; Bar Harbor, Maine; The Modern Timber Bridge Program in the State of Maine: A Five-Year Report; Sangerville, ME: Red Maple Glulam Timber Bridge over the …

Taylor, S.; Ritter, M.; Morgan, P.; Franklin, R. 1997. Performance of portable T-section glulam timber bridges (231 kb). 1997 ASAE Annual International Meeting.

This paper describes the design and initial testing of two portable timber bridges, each consisting of two noninterconnected longitudinal glued-laminated timber (glulam) deck panels 1.8 m (6 ft) …

1996

Blankenhorn, P.; Labosky, Jr., P.; Janowiak, J.; Manbeck, H.; Baileys, R.; Webb, D. 1996. Wood preservation -- Preservative treatment for hardwood glued-laminated bridges (137 KB). National conference on wood transportation structures. FPL-GTR-94. USDA, Forest Service, Forest Products Lab.

Pressure-treating cycle guidelines were developed to obtain satisfactory penetration and retention of creosote preservatives in red oak, red maple and yellow poplar glued-laminated timbers. The …

Ritter, M.; Duwadi, S.; Lee, P. 1996. National Conference on Wood Transportation Structures. National conference on wood transportation structures. FPL GTR 94. USDA, Forest Service, Forest Products Lab.

The Federal Highway Administration and the USDA Forest Service, Forest Products Laboratory, jointly sponsored the National Conference on Wood Transportation Structures, October 23-25, 1996, in …

Rammer, D. 1996. Shear strength of glued-laminated timber beams and panels (650 kb). National conference on wood transportation structures. FPL-GTR-94. USDA, Forest Service, Forest Products Lab.

Five sizes of glued-laminated timber beams and panels are being tested in a five-point beam-shear test configuration to determine the shear strength capacity and size relationships. A total of …

Taylor, S.; Ritter, M.; Keliher, K.; Thompson, J. 1996. Portable glulam timber bridge systems (340 KB). Proceedings of the international wood engineering conference. Vol. 2. Civil/Environmental E. Louisiana State University.

Recent interest in portable bridge systems has increased due to a heightened awareness for reducing environmental impacts at road stream crossings. This paper discusses general design criteria …

Dagher, H.; Kimball, T.; Shaler, S.; Abdel-Magid, B. 1996. Effect of FRP reinforcement on low grade eastern hemlock glulams (48 KB). National conference on wood transportation structures. FPL-GTR-94. USDA, Forest Service, Forest Products Lab.

The benefits of reinforcing glulam beams made with eastern hemlock, an under-utilized wood species in the state of Maine, are discussed. Nine beams reinforced with fiber-reinforced plastics …

Meierhoefer, U. 1996. Timber bridges in Central Europe, yesterday, today, tomorrow (24 KB). National conference on wood transportation structures. FPl-GTR-94. USDA, Forest Service, Forest Products Lab.

Historically, limber bridges have played an important role. The decline of timber bridge building was triggered by the development of competing materials: steel and concrete. Governing factors …

Manbeck, H.; Blankenhorn, P.; Janowiak, J.; Witmer Jr., R.; Labosky, P. 1996. Performance of red oak and red maple glued-laminated bridges (218 KB). National conference on wood transportation structures. FPL-GTR-94. USDA, Forest Service, Forest Products Lab.

A three year program to monitor the performance of a red oak longitudinal girder, transverse deck gluedlaminated (glulam) highway bridge is presented. The results indicate that the predicted and …

Bisat, A. 1996. Analytical modeling of longitudinal glued laminated timber deck bridges. Iowa State University.

The behavior of timber bridges, more specifically, the behavior of longitudinal glued laminated timber deck bridges under static loads was investigated and analyzed in this report. The objective of …

Janowiak, J.; Manbeck, H.; Thomforde, D.; Witmer, R. 1996. Timber bridge hardwood glulam deck connector evaluations under static and repetitive loads (390 KB). National conference on wood transportation structures. FPL-GTR-94. USDA, Forest Service, Forest Products Lab.

Timber bridge deck connectors are crucial to predicted bridge behavior and long-term serviceability yet only limited information documents the performance characteristics for these important …

Rogers, P.; Wipf, T.; Ritter, M.; Otter, D. 1996. Superstructure load path testing of two open-deck timber bridges (78 KB). TD 96(027). TDAAR Railway Technology Department.

As part of the Association of American Railroads’ (AAR) Timber Bridge Life Extension program, two open-deck timber bridges were field tested on a Southern Pacific line located in southwestern …

Manbeck, H.; Janowiak, J.; Blankenhorn, P.; Labosky Jr., P. 1996. Standard designs for hardwood glued-laminated highway bridges (49 KB). National conference on wood transportation structures. FPL-GTR-94. USDA, Forest Service, Forest Products Lab.

Standard plans and specifications for hardwood glued laminated highway bridges have been developed and published. The plans are based on recent research to identify laminating processes, resin …

Shedlauskas, J.; Manbeck, H.; Janowiak, J.; Hernandez, R.; Moody, R. 1996. Efficient use of red oak for glued-laminated beams (291 KB). Transactions of the ASAE. 39 (1).

A red oak glued-laminated beam combination was developed to achieve a bending strength of 16.5 Mpa (2,400 psi) and a modulus of elasticity of 12.4 GPa (1.8 × 106 psi). Thirty beams of two sizes …

Groenier, J. 1996. Load rating of single span, glulam beam bridges using two computer applications (129 KB). National conference on wood transportation structures. FPL-GTR-94. USDA, Forest Service, Forest Products Lab.

The National Bridge Inspection Standards requires bridges be inspected biannually and when conditions warrant that a load rating must be conducted. There are more than 575 thousand bridges in …

Hernandez, R.; Ritter, M.; Moody, R.; Lee, P. 1996. Yellow poplar glued-laminated timber: Product development and use in timber bridge construction (201 KB). National conference on wood transportation structures. FPL-GTR-94. USDA, Forest Service, Forest Products Lab.

This paper outlines the research efforts involved in incorporating yellow-poplar (Liriodendron tulipifera) as a viable resource for structural glued-laminated timber (glulam). The development of …

Tingley, D.; Gilham, P.; Kent, S. 1996. Long term load performance of FRP reinforced glulam bridge girders (427 KB). National conference on wood transportation structures. FPL-GTR-94. USDA, Forest Service, Forest Products Lab.

The use of high-strength-fiber-reinforced plastic (FRP) as a reinforcement for glulam bridge girders is now a commercial reality. To assist in the assessment of inservice characteristics of these …

Taylor, S.; Ritter, M. 1996. Portable T-section glulam bridge for low-volume roads (221 KB). National conference on wood transportation structures. FPL-GTR-94. USDA, Forest Service, Forest Products Lab.

The objective of this study was to examine use of stress wave nondestructive evaluation (NDE) techniques to evaluate the in-place modulus of elasticity (MOE) of the laminations in …

Soltis, L.; Rammer, D. 1996. Experimental shear strength of glued-laminated beams. FPL-RP-527. USDA, Forest Service, Forest Products Lab.

The allowable stress in shear is derived from shear tests of small clear shear blocks, but the shear strength of shear blocks is much greater than the shear strength of larger beams. In this study, …

1995

Ritter, M.; Williamson, T. 1995. State of the art report: Glulam timber bridge design in the United States (120 KB). From meeting twenty-seven of the International Council for Building Research Studies and Documentation: Working Commission W18 - Timber Structures.

Structural glued laminated timber has been successfully used as a highway bridge material in the United States for approximately 50 years. From the mid 1940's to the mid 1980's, virtually all of …

Dickson, B. 1995. Modern Timber Bridges of West Virginia, Volume II. USDA Forest Service.

Following a brief introduction are technical case studies of the four timber bridge types built recently in West Virginia: the stress-laminated deck, stress-laminated T-beam, stress-laminated box …

Taylor, S.; Keliher, K.; Thompson, J.; Ritter, M.; Murphy, G. 1995. Portable glulam timber bridge design for low- volume forest roads (95 KB). Proceedings of the 6th International conference on low-volume roads; 1995 June 25-29; Minneapolis, MN. Vol. 2. National Academy Press.

Improved stream crossings are needed to reduce construction and maintenance costs and reduce the environmental impacts from low-volume forest roads and skid trails. New designs of timber bridges …

Janowiak, J.; Manbeck, H.; Hernandez, R.; Moody, R.; Blankenhorn, P.; Labosky, P. 1995. Efficient utilization of red maple lumber in glued-laminated timber beams (293 KB). FLP-RP-41. USDA, Forest Service, Forest Products Lab.

The feasibility of utilizing cant-sawn hardwood lumber, which would not usually be desired for furniture manufacture, was studied for the manufacture of structural glued-laminated (glulam) timber. …

Lee, P.; Ritter, M.; Triche, M. 1995. Standard plans for Southern Pine bridges (1.9 MB). FPL-GTR-94. USDA, Forest Service, Forest Products Lab.

The development of standardized timber bridge plans and specifications is a key element in improving design and construction practices. The bridge plans presented were developed as a cooperative …

Gerhard Werner. 1995. Prestressing of Glulam-Beams. FMPA.

According to initial theoretical considerations it was presumed that the serviceability of glulam beams might be positively influenced by prestressing without reinforcement in a simple method, …

Zwerneman, F.; Huhnke, R.; Anderson, S. 1995. Glued-laminated timber panels for bridge deck replacement (56 KB). National conference on wood transportation structures. FPL-GTR-94. USDA, Forest Service, Forest Products Lab.

Research was conducted to evaluate the viability of using Oklahoma timber species in glued-laminated panel designs for bridge deck replacement. Panels were fabricated from southern pine, red …

Dlabola, J. 1995. Dynamic behavior of glued laminated timber stringer bridges. Iowa State University.

The objective of this study is to develop a model capable of simulating dynamic behavior and to study this behavior.

1994

Rammer, D.; Soltis, L. 1994. Shear strength of unchecked glued-laminated beams. Forest Products Journal. 44(1).

Davalos, J.; GangaRao, H.; Sonti, S.; Moody, R.; Hernandez, R. 1994. Bulb-T and glulam FRP beams for timber bridges. Structures Congress 1994: Structures Congress 12: Proceedings of papers presented at the structures congress '94; 1994 April 24-28; Atlanta, GA. 2. ASCE - American Soceity of Civil Engineers.

Forest Products Lab. 1994. Crossings (2992 kb). 17. USDA, Forest Service, Forest Products Lab.

Red Maple and Yellow Poplar Glulam Timber Beams; Second National Timber Bridge Design Competition; Submitting Articles for Crossings; Research Update from the Center for Forest Products …

Forest Products Lab. 1994. Crossings (3507 kb). 16. USDA, Forest Service, Forest Products Lab.

Hardwood Glulam Timber Bridge Initiative; Fiscal Year 1994 Timber Bridge Construction Grants Awarded; Inspection Results Yield Clues to Underwater Bridge Performance; Timber Bridge Initiative: …

Ritter, M.; Williamson, T.; Moody, R. 1994. Innovations in glulam timber bridge design (27 KB). Structures Congress 1994: Structures Congress 12: Proceedings of papers presented at the structures congress '94; 1994 April 24-28; Atlanta, GA. Vol. 2. ASCE - American Soceity of Civil Engineers.

Structural glued laminated timber has been successfully used as a bridge material in the United States for more than 50 years. Until the late 1980s, the majority of these bridges were conventional …

1993

Forest Products Lab. 1993. Crossings (3482 kb). 14. USDA, Forest Service, Forest Products Lab.

Covered Bridge Park Pedestrian Bridge; Red Maple Structural Products; The Role of New Technology Adoption in the Timber Bridge Market and its Effect on Rural Economic Development; Performance of …

Ritter, M.; Wacker, J.; Stanfill-McMillan, K.; Kainz, J. 1993. Development and evaluation of the Teal River stress- laminated glulam bridge. Transportation Research Record 1426. Transportation Research Board, National Research Council.

Moody, R.; Hernandez, R.; Davalos, J.; Sonti, S. 1993. Yellow Poplar glulam timber beam performance. FPL-RP-520. USDA, Forest Service, Forest Products Lab.

Yellow Poplar is currently not used in structural gluedlaminated (glulam) timber construction, but its properties suggest that it may be feasible for this purpose. Using Yellow Poplar, we designed …

Manbeck, H.; Janowiak, J.; Blankenhorn, P.; Labosky, P.; Moody, R.; Hernandez, R. 1993. Red maple glulam timber beam performance. FPL-RP-519. USDA, Forest Service, Forest Products Lab.

1992

Davalos, J.; Wolcott, M.; Dickson, B.; Brokaw, J. 1992. Quality Assurance and Inspection Manual for Timber Bridges. SS-046. Constructed Facilities Center, West Virginia University.

A quality control and inspection manual for hardwood stress-laminated and glulam timber bridges is presented. This manual is written primarily for bridge inspectors, fabricators, contractors, …

Falk, R.; Solli, K.; Aasheim, E. 1992. The performance of glued laminated beams manufactured from machine stress graded norwegian spruce. USDA, Forest Service, Forest Products Lab.

This study focuses on the characterization of machine stress graded Norwegian spruce laminating lumber and glued-laminated (glulam) timber beams in comparison to CEN standards. Material property …

Hernandez, R.; Somnath, S.; Moody, R. 1992. Evaluation of yellow poplar glued laminated timber beams. 92-4556. American Society of Agricultural Engineers.

1991

1991. Glulam Specifiers' Guide. Blued Laminated Timber Association.

Glulam is probably the fastest growing structural material in Britain. Between 1985 and 1987 consumption doubled. One of the reasons is the availability of standard Glulam components, often …

Glued Laminated Timber Association. 1991. G.L.T.A Specifiers' Guide to Glued Laminated Structural Timber. Glued Laminated Timber Association.

This guide gives you details of the various kinds of Glulam, their properties, and performance and availability. Model specification can also be found within it.

1990

H.R. Carlin-Smith; I. Campbell . 1990. Light Road Gluelam Bridge at Yarrawonga, Australia. 1990 International Timber Engineering Conference.

This paper describes the structural design of a forty metre span, glue-laminated, three-pinned arch, light road bridge and footbridge for use at a holiday resort in Yarrawonga in the State of …

Usuki, S.; Horie, Y.; Hasebe, K. 1990. Timber Tied Arch Bridge on City Roadway. International Timber Engineering Conference 1990. International Timber Engineering Conference.

Detailed descriptions and results of field tests of Yunomata bridge which was tentatively constructed with glulam timber are presented herein. The bridge consists of timber arch ribs without …

1988

1988. Limtra Handboken. Svenskt Limtra.

Den nu foreliggande utgavan ar helt omarbetad och innehallet anpassat till de nya sakerhetsbestammelser, baserade pa partialkoefficientmetoden, som redan tillampas for betongkonstruktioner och …

1986

Jaeger, L.; Muchmore, F.; McCutcheon, W.; Suprenant, B.; Oliva, M.; Barnhart, J.; Parry, J.; Nowak, A.; Avent, R.; Ou, F.; Wipf, T.; Weller, C.; Videon, F.; Taylor, S.; Klaiber, W.; Bakht, B.; Tuomi, R.; Gutkowski, R.; Ehlert, R.; Dimakis, A.; Mody, R.; Sanders Jr., W.; Jackson, A. 1986. Timber Bridges. 1053. Transportation Research Board, National Research Council.

Compilation of 11 Research Documents: 1. An Overview of Timber Bridges 2. Designing Timber Bridges for Long Life 3. Lateral Stability Consideration of Timber Beams in Old Bridges 4. Ultimate …

1986. Moelven Technical Handbook. Moelven (UK) Ltd..

This handbook gives guidance on the design of various glulam components using LB grade whitewood or redwood.

1983

1983. Cracking of Glued-Laminated Bridge Girders. Buckland and Taylor Ltd.

The British Columbia Forest Service has observed, over the past decade, a number of instances of cracking or checking both old and new Glued-laminated logging bridge girders. At the request of the …

1980

1980. Weyerhaeuser glulam wood bridge systems: Technical manual about new and rehabilitated bridges. Weyerhaeuser Co..

This manual was produced by Weyerhaeuser Company to help traffic planners, bridge construction engineers and others better understand the characteristics of today's perservative-treated glulam wood …

1978

Sprinkel, M. 1978. Glulam Timber Deck Bridges. VHTRC 79-R26. Virginia Highway & Transportation Research Council.

This report discusses the construction and initial condition of the Virginia Department of Highways and Transportation's first three bridges built with glulam panels on steel stringers.

1975

Selbo, M. 1975. Adhesive Bonding of Wood (3138 KB). Tech. Bulletin #1512. USDA, Forest Service.

This publication brings together current information on use of adhesives for bonding wood, so it can serve as a guide in production of more dependable glued products.

1974

McCutcheon, W.; Tuomi, R. 1974. Simplified design procedure for glued-laminated bridge decks (150 KB). FPL-RP-233. USDA, Forest Service, Forest Products Lab.

Procedures have recently been developed for the design of glued-laminated bridge decks and for steel dowel connectors. However, since most bridges are designed in accordance with the Specifications …

1973

McCutcheon, W.; Tuomi, R. 1973. Procedure for design of glued-laminated orthotropic bridge decks. FPL-RP-210. USDA, Forest Service, Forest Products Lab.