logging in or signing up Timber Bridge Presentation Techy_Guy Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 1139 Category: Entertainment License: All Rights Reserved Like it (2) Dislike it (0) Added: January 01, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Wooden Bridges for Today: Wooden Bridges for Today New Hampshire’s Transportation Heritage: New Hampshire’s Transportation Heritage Swift River Bridge, Albany, NH Recently refurbished by NH Department of TransportationNew Hampshire’s Transportation Heritage: New Hampshire’s Transportation Heritage Newport, NH Railroad Bridge (Carol Harootian, photo)NH Bridges in Trouble: NH Bridges in Trouble Concrete deteriorates Steel rustsNH Bridges in Trouble: 10 years ago over 50% of the bridges in NH were listed as being structurally deficient, functionally obsolete, or red listed. * State of New Hampshire Ten Year Transportation Improvement Program for 2001-2010, August 1999 NH Bridges in TroubleNH Bridges in Trouble: Of 1,959 state owned bridges, 311 red listed or structurally deficient or obsolete. Of 1,556 non-state owned bridges, 653 either red listed or structurally deficient or obsolete. * State of New Hampshire Ten Year Transportation Improvement Program for 2001-2010, August 1999 NH Bridges in TroubleThe Usual Route : The Usual Route Typical reinforced concrete and steel bridge in need of total replacementA Road Less Traveled : A Road Less Traveled New Boston, NH Lyndeborough Road Completed August 2000 Installed by New Boston Highway Crew A Road Less Traveled : A Road Less Traveled Completed 1993 New Boston, NH Depot Street Near Town Center A Road Less Traveled : A Road Less Traveled Designed and constructed by Arnold M. Graton Associates, Inc. Newport, NH Corbin Bridge, 1994 A Road Less Traveled : A Road Less Traveled Plymouth, NH Smith Bridge Strongest covered bridge in the world 176-foot span Under construction, 2001 Designed and constructed by Stan Graton II, 3-G Construction, Ashland, NHA Road Less Traveled : A Road Less Traveled Plymouth, NH: Smith Bridge 250,000 board feet of timber First covered bridge using glue lamination technology Timbers supplied by Unadilla Laminated Products, NYA Road Less Traveled : A Road Less Traveled Gilford, NH Tannery Hill Bridge Pedestrian bridge Built in early 1990’s by a volunteer crewNew Technology Helps a Traditional Material : New Technology Helps a Traditional Material Types of Bridges: Glue lamination Nail lamination or doweled Stress lamination New Technology Helps a Traditional Material : New Technology Helps a Traditional Material EPA-approved Preservation & Protection Options Creosote Pentachlorophenal Copper naphthenate Chromated copper arsenate Glue Laminated Bridge: Glue Laminated Bridge 1990 –Glu-laminated bridge in New Hampton, NH. Bridge from Laminated Concepts, Elmira, NY.Glue Laminated Bridge: Glue Laminated Bridge New Boston Lyndeborough Road Bridge, August 2000 Modern Glu-laminated bridge by Laminated Concepts, Inc.Nail Laminated Bridge: Nail Laminated Bridge Jefferson Notch Road, 1990 Wheeler Bridge CompanyNail Laminated Bridge: Nail Laminated Bridge Bartlett, NH 1990 Agent for town was Bergeron Engineering, North Conway, NHStress Laminated Bridge: Stress Laminated Bridge Chichester, NH 1990 Constructed of southern yellow pine. Treated with Pentachlorophenal.Stress Laminated Bridge: Stress Laminated Bridge Chichester, NH, 1990 Constructed of southern yellow pine. Treated with Pentachlorophenal Stressing rods compress individual planks together with pressureStress Laminated Bridge: Stress Laminated Bridge North Weare, NH 1991 Constructed with local wood material Designed and constructed by Kent Ruesswick of Canterbury, NHOther Wooden Transportation Structures: Other Wooden Transportation Structures Timber bin retaining wall, Campton, NH Bin wall system is also suitable for bridge abutments Constructed with eastern hemlock, commercially treated with chromated copper arsenateSlide24: Why wooden bridges? The public demands a safe and efficient transportation system Traffic increases through ‘80’s and ‘90’s Engineers and community leaders must find new ways to upgrade bridges with fewer resourcesSlide25: Why wooden bridges? Hundreds of bridges in NH need replacing Aesthetics & appearance Ease of constructionSlide26: Why wooden bridges? Performance When properly treated Cost Cost competitive, especially when life cycle and maintenance costs are included. Slide27: Why wooden bridges? Maintenance Long life cycle with fewer maintenance requirements Not susceptible to salt corrosion Potential new markets for NH wood Potential new secondary manufacturing industry for NHSlide28: Why wooden bridges? Why not? You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
Timber Bridge Presentation Techy_Guy Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 1139 Category: Entertainment License: All Rights Reserved Like it (2) Dislike it (0) Added: January 01, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Wooden Bridges for Today: Wooden Bridges for Today New Hampshire’s Transportation Heritage: New Hampshire’s Transportation Heritage Swift River Bridge, Albany, NH Recently refurbished by NH Department of TransportationNew Hampshire’s Transportation Heritage: New Hampshire’s Transportation Heritage Newport, NH Railroad Bridge (Carol Harootian, photo)NH Bridges in Trouble: NH Bridges in Trouble Concrete deteriorates Steel rustsNH Bridges in Trouble: 10 years ago over 50% of the bridges in NH were listed as being structurally deficient, functionally obsolete, or red listed. * State of New Hampshire Ten Year Transportation Improvement Program for 2001-2010, August 1999 NH Bridges in TroubleNH Bridges in Trouble: Of 1,959 state owned bridges, 311 red listed or structurally deficient or obsolete. Of 1,556 non-state owned bridges, 653 either red listed or structurally deficient or obsolete. * State of New Hampshire Ten Year Transportation Improvement Program for 2001-2010, August 1999 NH Bridges in TroubleThe Usual Route : The Usual Route Typical reinforced concrete and steel bridge in need of total replacementA Road Less Traveled : A Road Less Traveled New Boston, NH Lyndeborough Road Completed August 2000 Installed by New Boston Highway Crew A Road Less Traveled : A Road Less Traveled Completed 1993 New Boston, NH Depot Street Near Town Center A Road Less Traveled : A Road Less Traveled Designed and constructed by Arnold M. Graton Associates, Inc. Newport, NH Corbin Bridge, 1994 A Road Less Traveled : A Road Less Traveled Plymouth, NH Smith Bridge Strongest covered bridge in the world 176-foot span Under construction, 2001 Designed and constructed by Stan Graton II, 3-G Construction, Ashland, NHA Road Less Traveled : A Road Less Traveled Plymouth, NH: Smith Bridge 250,000 board feet of timber First covered bridge using glue lamination technology Timbers supplied by Unadilla Laminated Products, NYA Road Less Traveled : A Road Less Traveled Gilford, NH Tannery Hill Bridge Pedestrian bridge Built in early 1990’s by a volunteer crewNew Technology Helps a Traditional Material : New Technology Helps a Traditional Material Types of Bridges: Glue lamination Nail lamination or doweled Stress lamination New Technology Helps a Traditional Material : New Technology Helps a Traditional Material EPA-approved Preservation & Protection Options Creosote Pentachlorophenal Copper naphthenate Chromated copper arsenate Glue Laminated Bridge: Glue Laminated Bridge 1990 –Glu-laminated bridge in New Hampton, NH. Bridge from Laminated Concepts, Elmira, NY.Glue Laminated Bridge: Glue Laminated Bridge New Boston Lyndeborough Road Bridge, August 2000 Modern Glu-laminated bridge by Laminated Concepts, Inc.Nail Laminated Bridge: Nail Laminated Bridge Jefferson Notch Road, 1990 Wheeler Bridge CompanyNail Laminated Bridge: Nail Laminated Bridge Bartlett, NH 1990 Agent for town was Bergeron Engineering, North Conway, NHStress Laminated Bridge: Stress Laminated Bridge Chichester, NH 1990 Constructed of southern yellow pine. Treated with Pentachlorophenal.Stress Laminated Bridge: Stress Laminated Bridge Chichester, NH, 1990 Constructed of southern yellow pine. Treated with Pentachlorophenal Stressing rods compress individual planks together with pressureStress Laminated Bridge: Stress Laminated Bridge North Weare, NH 1991 Constructed with local wood material Designed and constructed by Kent Ruesswick of Canterbury, NHOther Wooden Transportation Structures: Other Wooden Transportation Structures Timber bin retaining wall, Campton, NH Bin wall system is also suitable for bridge abutments Constructed with eastern hemlock, commercially treated with chromated copper arsenateSlide24: Why wooden bridges? The public demands a safe and efficient transportation system Traffic increases through ‘80’s and ‘90’s Engineers and community leaders must find new ways to upgrade bridges with fewer resourcesSlide25: Why wooden bridges? Hundreds of bridges in NH need replacing Aesthetics & appearance Ease of constructionSlide26: Why wooden bridges? Performance When properly treated Cost Cost competitive, especially when life cycle and maintenance costs are included. Slide27: Why wooden bridges? Maintenance Long life cycle with fewer maintenance requirements Not susceptible to salt corrosion Potential new markets for NH wood Potential new secondary manufacturing industry for NHSlide28: Why wooden bridges? Why not?