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Guide For In Place Treatment Of Wood In Historic Covered And Modern Bridges
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Book Synopsis Guide for In-Place Treatment of Wood in Historic Covered and Modern Bridges by : Stan Lebow
Download or read book Guide for In-Place Treatment of Wood in Historic Covered and Modern Bridges written by Stan Lebow and published by CreateSpace. This book was released on 2012-10-22 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historic covered bridges and current timber bridges can be vulnerable to damage from biodeterioration or fire. This guide describes procedures for selecting and applying inplace treatments to prevent or arrest these forms of degradation. Vulnerable areas for biodeterioration in covered bridges include members contacting abutments, members near the ends of bridges subject to wetting from splashing and members below windows or other openings that allow entry of wind-blown precipitation. Pressure-treated timber bridge members can be vulnerable when untreated wood is exposed by field fabrication or by the development of drying checks. The objective of an in-place preservative treatment is to distribute preservative into areas of a structure that are vulnerable to moisture accumulation and/or not protected by the original pressure treatment. Types of field treatments range from finishes, to boron rods or pastes, to fumigants. A limitation of in-place treatments is that they cannot be forced deeply into the wood as is done in pressure-treatment processes. However, some can be applied into the center of large members via treatment holes. These preservatives may be available as liquids, rods or pastes. Bridge members can be treated with fire retardants to delay ignition, reduce heat release, and slow the spread of flames. In-place coating products are available to reduce surface flammability, but these coatings may need to be reapplied on a regular basis if exposed to weathering. For more integrated protection, fire retardant treatment of bridge members may be combined with other forms of protection such as lights, alarms, sprinklers and monitoring systems.
Book Synopsis Guide for In-place Treatment of Wood in Historic Covered and Modern Bridges by : Stan T. Lebow
Download or read book Guide for In-place Treatment of Wood in Historic Covered and Modern Bridges written by Stan T. Lebow and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historic covered bridges and current timber bridges can be vulnerable to damage from biodeterioration or fire. This guide describes procedures for selecting and applying in-place treatments to prevent or arrest these forms of degradation. Vulnerable areas for biodeterioration in covered bridges include members contacting abutments, members near the ends of bridges subject to wetting from splashing and members below windows or other openings that allow entry of wind-blown precipitation. Pressure-treated timber bridge members can be vulnerable when untreated wood is exposed by field fabrication or by the development of drying checks. The objective of an in-place preservative treatment is to distribute preservative into areas of a structure that are vulnerable to moisture accumulation and/or not protected by the original pressure treatment. Types of field treatments range from finishes, to boron rods or pastes, to fumigants. A limitation of in-place treatments is that they cannot be forced deeply into the wood as is done in pressure-treatment processes. However, some can be applied into the center of large members via treatment holes. These preservatives may be available as liquids, rods or pastes. Bridge members can be treated with fire retardants to delay ignition, reduce heat release, and slow the spread of flames. In-place coating products are available to reduce surface flammability, but these coatings may need to be reapplied on a regular basis if exposed to weathering. For more integrated protection, fire retardant treatment of bridge members may be combined with other forms of protection such as lights, alarms, sprinklers and monitoring systems.
Book Synopsis Guide for In-place Treatment of Wood in Historic Covered and Modern Bridges by :
Download or read book Guide for In-place Treatment of Wood in Historic Covered and Modern Bridges written by and published by . This book was released on 2012 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historic covered bridges and current timber bridges can be vulnerable to damage from biodeterioration or fire. This guide describes procedures for selecting and applying in-place treatments to prevent or arrest these forms of degradation. Vulnerable areas for biodeterioration in covered bridges include members contacting abutments, members near the ends of bridges subject to wetting from splashing and members below windows or other openings that allow entry of wind-blown precipitation. Pressure-treated timber bridge members can be vulnerable when untreated wood is exposed by field fabrication or by the development of drying checks. The objective of an in-place preservative treatment is to distribute preservative into areas of a structure that are vulnerable to moisture accumulation and/or not protected by the original pressure treatment. Types of field treatments range from finishes, to boron rods or pastes, to fumigants. A limitation of in-place treatments is that they cannot be forced deeply into the wood as is done in pressure-treatment processes. However, some can be applied into the center of large members via treatment holes. These preservatives may be available as liquids, rods or pastes. Bridge members can be treated with fire retardants to delay ignition, reduce heat release, and slow the spread of flames. In-place coating products are available to reduce surface flammability, but these coatings may need to be reapplied on a regular basis if exposed to weathering. For more integrated protection, fire retardant treatment of bridge members may be combined with other forms of protection such as lights, alarms, sprinklers and monitoring systems.
Book Synopsis Guide for Use of Wood Preservatives in Historic Structures by : Stan LeBow
Download or read book Guide for Use of Wood Preservatives in Historic Structures written by Stan LeBow and published by Government Printing Office. This book was released on 2012-12-13 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: NOTE: NO FURTHER DISCOUNT FOR THIS PRINT PRODUCT-- OVERSTOCK SALE -- Significantly reduced list price Wood preservatives are generally grouped into two categories: preservatives used for in-place field (remedial)treatment and preservatives used for pressure treatments.A limitation of in-place treatments is that they cannot beforced deeply into the wood under pressure. However, theycan be applied into the center of large wooden membersvia treatment holes. These preservatives may be availableas liquids, rods, or pastes. Pressure-treated wood has muchdeeper and more uniform preservative penetration thanwood treated with other methods. The type of pressuretreated wood is often dependent on the requirements of thespecific application. To guide selection of pressure-treatedwood, the American Wood Protection Association developedUse Category System standards. Other preservative characteristics, such as color, odor, and surface oiliness may alsobe relevant. Guidelines for selection and application of fieldtreatments and for selection and specification of pressure-treated wood are provided in this document. Related Products: Nondestructive Evaluation of Wood is available here: https: //bookstore.gpo.gov/products/sku/001-001-00704-8 New Exterior Additions to Historic Buildings: Preservation Concerns is available here: https: //bookstore.gpo.gov/products/sku/024-005-01280-0 Guide for In-Place Treatment of Wood in Historic Covered and Modern Bridges is available here: https: //bookstore.gpo.gov/products/sku/001-001-00695-5 Preserving Historic Wood Porches is available here: https: //bookstore.gpo.gov/products/sku/024-005-01240-1 Preservation Briefs: Recognizing and Resolving Common Preservation Problems, 1-14 is available here: https: //bookstore.gpo.gov/products/sku/024-005-01026-2 Preservation Briefs: 15-23 (2007) is avaiable here: https: //bookstore.gpo.gov/products/sku/024-005-01256-7 Preservation Briefs 24-34: Recognizing and Resolving Common Preservation and Repair Problems Prior to Working on Historic Buildings is available here: https: //bookstore.gpo.gov/products/sku/024-005-01147-1 Preservation Briefs 35-42: Recognizing and Resolving Common Preservation and Repair Problems Prior to Working on Historic Buildings is available here: https: //bookstore.gpo.gov/products/sku/024-005-01219-2 Renovation & Historic Preservation resources collection can be found here: https: //bookstore.gpo.gov/catalog/science-technology/construction-archit"
Book Synopsis Guidelines to Restoring Structural Integrity of Covered Bridge Members by : Ronald W. Anthony
Download or read book Guidelines to Restoring Structural Integrity of Covered Bridge Members written by Ronald W. Anthony and published by Government Printing Office. This book was released on 2018-04-02 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: These guidelines are designed for decision makers (selection, country commissioners, city planners, preservation officers, contractors, rehabilitation engineers, etc.) to understand the components that are used to make effective decisions about how and when to repair a covered bridge, such as structural integrity, engineering analyses, condition assessments, how to support the bridge during repairs, and more. There are numerous types of covered bridges and ensuring public safety during repairs is a paramount issue for future generations to enjoy. Related products: Find more Renovation & Historic Preservation resources here: https: //bookstore.gpo.gov/catalog/renovation-historic-preservation Bridges & Tunnels resources collection here: https: //bookstore.gpo.gov/catalog/bridges-tunnels Other products published by the U.S. Forest Service are available here: https: //bookstore.gpo.gov/agency/us-forest-service
Book Synopsis Guidelines to Restoring Structural Integrity of Covered Bridge Members by : Ronald W. Anthony
Download or read book Guidelines to Restoring Structural Integrity of Covered Bridge Members written by Ronald W. Anthony and published by Government Printing Office. This book was released on 2018-04-02 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: These guidelines are designed for decision makers (selection, country commissioners, city planners, preservation officers, contractors, rehabilitation engineers, etc.) to understand the components that are used to make effective decisions about how and when to repair a covered bridge, such as structural integrity, engineering analyses, condition assessments, how to support the bridge during repairs, and more. There are numerous types of covered bridges and ensuring public safety during repairs is a paramount issue for future generations to enjoy. Related products: Find more Renovation & Historic Preservation resources here: https: //bookstore.gpo.gov/catalog/renovation-historic-preservation Bridges & Tunnels resources collection here: https: //bookstore.gpo.gov/catalog/bridges-tunnels Other products published by the U.S. Forest Service are available here: https: //bookstore.gpo.gov/agency/us-forest-service
Book Synopsis Durability and Wood Protection for Historic Covered Bridges in the United States by : Vina W. Yang
Download or read book Durability and Wood Protection for Historic Covered Bridges in the United States written by Vina W. Yang and published by . This book was released on 2014 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: S2A majority of the covered wooden bridges in United States were built in the mid -1800s. These structures represent a unique cultural and technological heritage from that era. Over time, these bridges have been deteriorated by microorganisms and insects or damaged by acts of vandalism and arson. The National Historic Covered Bridge Preservation (NHCBP) Program sponsored by the Federal Highway Administration (FHWA) provides funds to support preservation and restoration efforts for historic covered bridges. The focus of the NHCBP Program is support and technology transfer efforts to preserve, restore and protect covered bridges in conjunction with providing educational resources to the general public. In this paper, an overview of NHCBP research on the durability and wood protection of covered bridges is provided. Research results assist the general public, field investigators and states in their efforts to restore, repair and preserve national historic bridges.S3.
Book Synopsis Species Identification and Design Value Estimation of Wooden Members in Covered Bridges by : Alex C. Wiedenhoeft
Download or read book Species Identification and Design Value Estimation of Wooden Members in Covered Bridges written by Alex C. Wiedenhoeft and published by CreateSpace. This book was released on 2015-06-26 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covered timber bridges are historic structures with unique aesthetic value. To preserve this value and maintain bridges in service, robust evaluation of their performance and safety is necessary. The strength of the timber found in covered bridges can vary considerably, not only because of age and condition, but also because of species and grade. For the practicing engineer or inspector evaluating a covered bridge, design values for existing wood members must be determined with as much accuracy as possible by account-ing for bridge-specific conditions. The current practice is to assign wood values for strength and moduli from existing specifications without specific reference to timber species, condition, or grade, which can result in an inaccurate assess-ment of the structure. This manual provides a walk-through for basic wood identification, inspection, condition assess-ment, field grading, and design value estimation for wood in covered bridges.
Book Synopsis Guidelines for Rehabilitating Historic Covered Bridges by : Christopher H. Marston
Download or read book Guidelines for Rehabilitating Historic Covered Bridges written by Christopher H. Marston and published by . This book was released on 2019 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guidelines for Design, Installation, and Maintenance of a Waterproof Wearing Surface for Timber Bridge Decks by :
Download or read book Guidelines for Design, Installation, and Maintenance of a Waterproof Wearing Surface for Timber Bridge Decks written by and published by . This book was released on 2001 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wood Bridges written by Wallace E. Eslyn and published by . This book was released on 1979 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Covered Bridge Manual written by and published by . This book was released on 2005 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual provides guidance to those involved in all aspects of the work, from initial inspection and evaluation, through the engineering of rehabilitation, to construction issues. Broadly speaking, this manual covers general terminology and historic development of covered bridges. The manual also addresses loads, structural analysis, connections, and design issues. The last six chapters contain discussions of evaluation, maintenance, strengthening, and preservation of existing covered bridges; historic considerations of existing structures, and provide a state-of-the-art guide on wood preservatives for covered bridges. Historic preservation requirements as they relate to the US Department of the Interior standards for these important and unusual structures also are provided. The appendices include an extensive series of case studies.
Download or read book Focus written by and published by . This book was released on 2010 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guidelines for rehabilitating historic covered bridges by : Christopher H. Marston
Download or read book Guidelines for rehabilitating historic covered bridges written by Christopher H. Marston and published by . This book was released on 2019 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Timber Bridges by : Michael A. Ritter
Download or read book Timber Bridges written by Michael A. Ritter and published by Datamotion Publishing LLC. This book was released on 1990 with total page 916 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents a comprehensive analysis of the design, construction, inspection, and maintenance of timber bridges.
Book Synopsis National Historic Covered Bridge Preservation Research by : Randall L. Forney
Download or read book National Historic Covered Bridge Preservation Research written by Randall L. Forney and published by . This book was released on 2005 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Field Evaluation of Timber Preservation Treatments for Highway Applications by : Jake J. Bigelow
Download or read book Field Evaluation of Timber Preservation Treatments for Highway Applications written by Jake J. Bigelow and published by . This book was released on 2007 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Timber material repair and replacement cost for timber bridges is a considerable expense to highway agencies in Iowa, especially to county road departments. To address these needs, the objectives of this investigation was to study the field effectiveness of various treatment alternatives used on Iowa roadway projects and to determine if the current specifications and testing are adequate for providing proper wood preservation. To satisfy the research needs, the project scope involved a literature review, identification of metrics, questionnaire survey of Iowa counties, on site inspections, and a review of current specifications and testing procedures. Based on the preservative information obtained, the following general conclusions were made: Copper naphthenate is recommended as the plant-applied preservative treatment for timber bridges. Best Management Practices should be followed to ensure quality treatment of timber materials. Bridge maintenance programs need to be developed and implemented. The Iowa Department of Transportation specifications for preservative treatment are the regulating specification for bridges constructed with state or federal funding in Iowa and are also recommended for all other bridges.
