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Author : Theodore Laufenberg
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (319 download)
Download or read book Stabilized Engineered Wood Fiber for Accessible Trails written by Theodore Laufenberg and published by . This book was released on 2004 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Theodore Laufenberg
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (2 download)
Download or read book Stabilized Engineered Wood Fiber for Accessible Trails written by Theodore Laufenberg and published by . This book was released on 2004 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Theodore Laufenberg
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (319 download)
Download or read book Improving Engineered Wood Fiber Surfaces for Accessible Playgrounds written by Theodore Laufenberg and published by . This book was released on 2003 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some engineered wood fiber surfaces are uneven, tend to shift, and have low density. The goal of our research was to develop a playground surface material that cushions impact and is accessible to people with disabilities. In the initial screening phase, we evaluated a variety of in situ surface treatments and mixtures of wood particles combined with various binders. Engineered wood fiber (EWF) was prepared from three species, red maple, ponderosa pine, and one-seed juniper, which have a wide range of densities and bonding properties. In the scale-up phase, we evaluated commercially available EWF and several promising binding systems from the screening phase trials. Seventeen test configurations were formed in plywood boxes, using different levels of EWF compaction, fiber moisture content, surface layer thickness, and types of binders. Binder systems that show promise for surface stabilization and satisfactory impact behavior are polyurethane, latex, and silicone. These binders were chosen on the basis of processing ease, flexibility (elongation to failure), cost, and safety in application and use. In this report, we identify the strengths and weaknesses of the surface treatments, review the viability of the systems and the testing concepts we have developed, and identify further research needs.
Author : Dallen J. Timothy
Publisher : Channel View Publications
ISBN 13 : 1845414780
Total Pages : 325 pages
Book Rating : 4.8/5 (454 download)
Download or read book Tourism and Trails written by Dallen J. Timothy and published by Channel View Publications. This book was released on 2015 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive overview of trails and routes from a tourism and recreation perspective. This cutting-edge volume addresses conceptual and management issues systematically, examining supply, demand, development and impacts associated with trails and routes.
Author : Steele, Kim
Publisher : Policy Press
ISBN 13 : 1447307976
Total Pages : 288 pages
Book Rating : 4.4/5 (473 download)
Download or read book At Home with Autism written by Steele, Kim and published by Policy Press. This book was released on 2016 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: At Home with Autism: Designing Housing for the Spectrum introduces readers to conditions and aspirations of adults on the autism spectrum that demand a new approach to how we provide, locate, design and develop homes in which they live. The book argues that there is no singular stellar residential model, just as there is no singular prototype of autism. Grounded in an extensive array of research sources, the book identifies resident-focused quality of life goals, and profiles design guidelines directed to those goals. The book implores those involved in housing design, production and policy to expand their exposure to what is possible, what is desirable, and to direct their efforts towards expanding residential choices for those on the spectrum.
Author :
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (319 download)
Download or read book Research & Development written by and published by . This book was released on 2007 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Theodore Laufenberg
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (319 download)
Download or read book Stabilized Engineered Wood Fiber for Accessible Playground Surfaces written by Theodore Laufenberg and published by . This book was released on 2004 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles A. Flink
Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.3/5 (555 download)
Download or read book Trails for the Twenty-first Century written by Charles A. Flink and published by . This book was released on 2001 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Communities across the country are working to convert unused railway and canal corridors into multi-use trails that offer an innovative means of addressing sprawl, revitalizing urban areas, and reusing degraded lands." "Trails for the Twenty-First Century is a step-by-step guide to all aspects of the planning, design, and management of multi-use trails. Originally published in 1993, this completely revised and updated edition offers a wealth of new information includings."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved
Author : Brian Vachowski
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (319 download)
Download or read book Off-highway Vehicle Trail and Road Grading Equipment written by Brian Vachowski and published by . This book was released on 1998 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Theodore Laufenberg
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (2 download)
Download or read book Stabilized Engineered Wood Fiber for Accessible Playground Surfaces written by Theodore Laufenberg and published by . This book was released on 2004 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309142393
Total Pages : 348 pages
Book Rating : 4.3/5 (91 download)
Download or read book Strengthening Forensic Science in the United States written by National Research Council and published by National Academies Press. This book was released on 2009-07-29 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scores of talented and dedicated people serve the forensic science community, performing vitally important work. However, they are often constrained by lack of adequate resources, sound policies, and national support. It is clear that change and advancements, both systematic and scientific, are needed in a number of forensic science disciplines to ensure the reliability of work, establish enforceable standards, and promote best practices with consistent application. Strengthening Forensic Science in the United States: A Path Forward provides a detailed plan for addressing these needs and suggests the creation of a new government entity, the National Institute of Forensic Science, to establish and enforce standards within the forensic science community. The benefits of improving and regulating the forensic science disciplines are clear: assisting law enforcement officials, enhancing homeland security, and reducing the risk of wrongful conviction and exoneration. Strengthening Forensic Science in the United States gives a full account of what is needed to advance the forensic science disciplines, including upgrading of systems and organizational structures, better training, widespread adoption of uniform and enforceable best practices, and mandatory certification and accreditation programs. While this book provides an essential call-to-action for congress and policy makers, it also serves as a vital tool for law enforcement agencies, criminal prosecutors and attorneys, and forensic science educators.
Author : Theodore Laufenberg
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (319 download)
Download or read book Field Performance Testing of Improved Engineered Wood Fiber Surfaces for Accessible Playground Areas written by Theodore Laufenberg and published by . This book was released on 2003 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some engineered wood fiber (EWF) surfaces on playgrounds are soft and uneven, which creates difficulties for those who use mobility aids, such as wheelchairs and walkers. The outdoor field testing reported in this study is part of an effort to stabilize EWF to improve accessibility. The concept is to mix a binder with the upper surface of EWF to create a stiff (firm) and scuff-resistant (stable) composite overlayer. Latex, silicone, and polyurethane binders were evaluated on small plots during a 6-month outdoor trial in Wisconsin. Tests were performed at regular intervals to?provide a quantitative measure of accessibility. After 6 months of exposure, all the surfaces passed the existing specifications for impact attenuation of playground surfaces. Exposure changed impact performance of all systems except the unsurfaced (without an additive) EWF. The latex and?polyurethane stabilizers consistently met accessibility requirements. One polyurethane formulation produced a hard brittle shell that became even harder with exposure and age, which might increase the injury rate for falls on that surface. The silicone system failed to maintain integrity adequately?during the rain/dry cycles of the test. Moisture measurements indicate that the bonded surfaces retard drying of the underlying EWF, which may have long-term implications for the rate of decay for these systems.
Author : United States. Department of the Army
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.X/5 (4 download)
Download or read book Children's Play Areas and Equipment written by United States. Department of the Army and published by . This book was released on 1969 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gordon Keller
Publisher :
ISBN 13 : 9781998295333
Total Pages : 0 pages
Book Rating : 4.2/5 (953 download)
Download or read book Low-Volume Roads Engineering - Best Management Practices Field Guide written by Gordon Keller and published by . This book was released on 2023-11-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Low-Volume Roads Engineering Best Management Practices Field Guide is intended to provide an overview of the key planning, location, design, construction, and maintenance aspects of roads that can cause adverse environmental impacts and to list key ways to prevent those impacts. Best Management Practices are general techniques or design practices that, when applied and adapted to fit site-specific conditions, will prevent or reduce pollution and maintain water quality. BMPs for roads have been developed by many agencies since roads often have a major adverse impact on water quality, and most of those impacts are preventable with good engineering and management practices. Roads that are not well planned or located, not properly designed or constructed, not well maintained, or not made with durable materials often have negative effects on water quality and the environment.
Author :
Publisher :
ISBN 13 :
Total Pages : 444 pages
Book Rating : 4.3/5 (555 download)
Download or read book Jefferson National Forest (N.F.), Revised Land and Resource Management Plan written by and published by . This book was released on 2004 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (89 download)
Download or read book Soil Erosion and Sedimentation Control written by and published by . This book was released on 1981 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John McCullah
Publisher : Transportation Research Board
ISBN 13 : 0309088364
Total Pages : 59 pages
Book Rating : 4.3/5 (9 download)
Download or read book Environmentally Sensitive Channel- and Bank-protection Measures written by John McCullah and published by Transportation Research Board. This book was released on 2005 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Report 544: Environmentally Sensitive Channel- and Bank-Protection Measures examines environmentally sensitive channel- and bank-protection measures and includes recommended design guidelines for their application and a selection system for helping to determine the most appropriate channel- and bank-protection measure. The selection system is presented as an interactive software program entitled "Greenbank," which can be found on the accompanying CD-ROM (CRP-CD-58). The selection system software (CRP-CD-58) is available for download in an ZIP format.
