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Author | : Christopher J. Mettem |
Publisher | : Routledge |
Total Pages | : 177 |
Release | : 2013-04-15 |
Genre | : Technology & Engineering |
ISBN | : 1135720568 |
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Bridges built in timber are enjoying a significant revival, both for pedestrian and light traffic and increasingly for heavier loadings and longer spans. Timber's high strength-to-weight ratio, combined with the ease and speed of construction inherent in the off-site prefabrication methods used, make a timber bridge a suitable option in many different scenarios. This handbook gives technical guidance on forms, materials, structural design and construction techniques suitable for both small and large timber bridges. Eurocode 5 Part Two (BS EN 1995-2) for the first time provides an international standard for the construction of timber bridges, removing a potential obstacle for engineers where timber construction for bridges has not – in recent centuries at least – been usual. Clearly illustrated throughout, this guide explains how to make use of this oldest construction material in a modern context to create sustainable, aesthetically pleasing, practical and durable bridges. Worldwide examples include Tourand Creek Bridge, Canada; Toijala, Finland; Punt la Resgia, Switzerland; Pont de Crest, France; Almorere Pylon Bridge, the Netherlands.
Author | : Michael A. Ritter |
Publisher | : |
Total Pages | : 980 |
Release | : 1990 |
Genre | : Bridges, Wooden |
ISBN | : |
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This report presents a comprehensive analysis of the design, construction, inspection, and maintenance of timber bridges.
Author | : Michael A. Ritter |
Publisher | : Datamotion Publishing LLC |
Total Pages | : 916 |
Release | : 1990 |
Genre | : Wooden bridges |
ISBN | : 9781937299095 |
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This report presents a comprehensive analysis of the design, construction, inspection, and maintenance of timber bridges.
Author | : Michael A. Ritter |
Publisher | : |
Total Pages | : 980 |
Release | : 1990 |
Genre | : Wooden bridges |
ISBN | : |
Download Timber Bridges Book in PDF, ePub and Kindle
Author | : Christopher J. Mettem |
Publisher | : Routledge |
Total Pages | : 269 |
Release | : 2013-04-15 |
Genre | : Technology & Engineering |
ISBN | : 1135720630 |
Download Timber Bridges Book in PDF, ePub and Kindle
Bridges built in timber are enjoying a significant revival, both for pedestrian and light traffic and increasingly for heavier loadings and longer spans. Timber's high strength-to-weight ratio, combined with the ease and speed of construction inherent in the off-site prefabrication methods used, make a timber bridge a suitable option in many different scenarios. This handbook gives technical guidance on forms, materials, structural design and construction techniques suitable for both small and large timber bridges. Eurocode 5 Part Two (BS EN 1995-2) for the first time provides an international standard for the construction of timber bridges, removing a potential obstacle for engineers where timber construction for bridges has not – in recent centuries at least – been usual. Clearly illustrated throughout, this guide explains how to make use of this oldest construction material in a modern context to create sustainable, aesthetically pleasing, practical and durable bridges. Worldwide examples include Tourand Creek Bridge, Canada; Toijala, Finland; Punt la Resgia, Switzerland; Pont de Crest, France; Almorere Pylon Bridge, the Netherlands.
Author | : Michael A. Ritter |
Publisher | : |
Total Pages | : 500 |
Release | : 2005 |
Genre | : Technology & Engineering |
ISBN | : 9781410221919 |
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Timber's strength, light weight, and energy-absorbing properties furnish features desirable for bridge construction. Timber is capable of supporting short-term overloads without adverse effects. Contrary to popular belief, large wood members provide good fire resistance qualities that meet or exceed those of other materials in severe fire exposures. From an economic standpoint, wood is competitive with other materials on a first-cost basis and shows advantages when life cycle costs are compared. Timber bridges can be constructed in virtually any weather conditions, without detriment to the material. Wood is not damaged by continuous freezing and thawing and resists harmful effects of de-icing agents, which cause deterioration in other bridge materials. Timber bridges do not require special equipment for installation and can normally be constructed without highly skilled labor. They also present a natural and aesthetically pleasing appearance, particularly in natural surroundings. The misconception that wood provides a short service life has plagued timber as a construction material. Although wood is susceptible to decay or insect attack under specific conditions, it is inherently a very durable material when protected from moisture. Many covered bridges built during the 19th century have lasted over 100 years because they were protected from direct exposure to the elements. In modem applications, it is seldom practical or economical to cover bridges; however, the use of wood preservatives has extended the life of wood used in exposed bridge applications. Using modem application techniques and preservative chemicals, wood can now be effectively protected from deterioration for periods of 50 years or longer. In addition, wood treated with preservatives requires little maintenance and no painting. Another misconception about wood as a bridge material is that its use is limited to minor structures of no appreciable size. This belief is probably based on the fact that trees for commercial timber are limited in size and are normally harvested before they reach maximum size. Although tree diameter limits the size of sawn lumber, the advent of glued-laminated timber (glulam) some 40 years ago provided designers with several compensating alternatives. Glulam, which is the most widely used modem timber bridge material, is manufactured by bonding sawn lumber laminations together with waterproof structural adhesives. Thus, glulam members are virtually unlimited in depth, width, and length and can be manufactured in a wide range of shapes. Glulam provides higher design strengths than sawn lumber and provides better utilization of the available timber resource by permitting the manufacture of large wood structural elements from smaller lumber sizes. Technological advances in laminating over the past four decades have further increased the suitability and performance of wood for modern highway bridge applications.
Author | : Robert L. Smith |
Publisher | : |
Total Pages | : 28 |
Release | : 1995 |
Genre | : Wooden bridges |
ISBN | : |
Download A Perceptional Investigation Into the Adoption of Timber Bridges Book in PDF, ePub and Kindle
Author | : James P. Wacker |
Publisher | : |
Total Pages | : 58 |
Release | : 2001 |
Genre | : Bridges |
ISBN | : |
Download Standard Plans for Timber Bridge Superstructures Book in PDF, ePub and Kindle
These standardized bridge plans are for superstructures consisting of treated timber. Seven superstructure types are included: five longitudinal and two transverse deck systems. Both HS20 and HS25 loadings are included, along with L/360 and L/500 deflection criteria.
Author | : |
Publisher | : |
Total Pages | : 16 |
Release | : 2005 |
Genre | : Forest products |
ISBN | : |
Download Condition Assessment of Timber Bridges Book in PDF, ePub and Kindle
Author | : Robert L. Smith |
Publisher | : |
Total Pages | : 48 |
Release | : 1995 |
Genre | : Wooden bridges |
ISBN | : |
Download Factors Influencing the Adoption of Timber Bridges Book in PDF, ePub and Kindle