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Breaking Barriers
The most common approach that state departments of transportation (DOTs) use to address highway traffic noise impacts is noise barriers--usually noise walls. The TRB National Cooperative Highway Research Program's NCHRP Research Report 984: Breaking Barriers: Alternative Approaches to Avoiding and Reducing Highway Traffic Noise Impacts presents the results of a review of innovative strategies to avoid and/or reduce highway noise impacts. A practitioner's handbook to identify which of these innovative strategies may be appropriate for a highway project is also included. Supplemental to the report are Appendices A through E, covering terminology, a summary of 14 noise-reducing strategies, and further investigations of low berms, solid safety barriers, and acoustically soft ground; strategy flowcharts; and a final presentation.
Noise Model-to-monitor Case Study
The Ohio Department of Transportation (ODOT) noise program includes an inventory of more than 250 miles of noise barriers around the state. Each noise barrier constructed must be analyzed using the FHWA Traffic Noise Model (TNM) software program to determine if the construction of the barrier is justified. This research study was initiated to identify opportunities to improve the accuracy and validity of ODOT's traffic noise analysis and TNM modeling specifications with specific attention made to the modeling of heavy trucks. Over 44 hours of traffic noise data were collected at noise-sensitive areas at a Type II noise wall project being constructed along Interstate 270 in southeast Columbus...
Deer Passage Through Rock Channel Protection (RCP) Designs and Options
One safety-related issue that has been identified by ODOT is deer crashes. ODOT OES is proposing to install a "deer passage" within the rock channel protection (RCP) underneath highway bridges that would allow for the deer to pass under the highway instead of going across on the surface. The purpose of this research was to analyze the feasibility of constructing passages within RCP installations under bridges, considering both the needs of the wildlife as well as the technical requirements for ODOT bridges. To meet the needs of wildlife, the passage should include minimum width: 3 feet; minimum vertical clearance: 6 feet; follow along natural stream bank; natural "look and feel" of approache...
Noise Wall Overhang Design
The purpose of this research study was to determine if a roadway-side overhang component could provide meaningful noise reduction and air quality benefits for ODOT's noise walls in a manner that is cost-effective and meets all of ODOT's structural design requirements. A comprehensive review of literature was conducted to identify past research on overhang impacts and the deployment of overhang designs in North America. Acoustical testing using a full-scale noise wall section was also conducted to determine the combination of overhang length and angle toward the roadway that provides the greatest noise reduction. The results of the acoustical testing were consistent with expectations based on...
Green Noise Wall Construction and Evaluation
This report details the research performed under Phase I of a research study titled "Green Noise Wall Construction and Evaluation" that looks into the feasibility of using green noise barriers as a noise mitigation option in Ohio. This phase included a thorough review of available green noise barriers to assess their advantages and disadvantages. In addition, it included a questionnaire that was sent out to more than three hundred national and international experts in traffic noise analysis and abatement to document their experience with this type of barriers. Based on the outcome of the literature review and responses to the questionnaire, the Deltalok product was determined to be the most ...
Massage Therapy Research
Written by the Director of the world-renowned Touch Research Institutes, this book examines the practical applications of important massage therapy research findings. Each chapter of this comprehensive resource provides a clear and authoritative review of what is reliably known about the effects of touch for a variety of clinical conditions such as depression, pain management, movement problems, and functioning of the immune system. Coverage also includes the benefits of massage to specific populations such as pregnant women, neonates, infants, and adolescents. This book is suitable for massage therapists (including Shiatsu practitioners), aromatherapists, chiropractors, osteopaths, physical therapists, and nurses. Provides a thorough yet concise review of recent research related to the importance of touch. Offers practical guidance to healthcare professionals whose work involves physical contact with patients.
Evaluation of the Palmiter Method for Erosion Control and Stream Management
The Palmiter method is a sustainable approach for managing stream bank erosion issues that emphasizes the use of on-site woody materials to direct the stream's energy away from problematic erosion areas. The purpose of this research was to determine if the method could be adopted by ODOT. Researchers evaluated existing Palmiter installations at several locations in Ohio and analyzed the stages of the project life cycle to identify project planning, regulatory, construction, and maintenance requirements necessary for ODOT to carry out a Palmiter method project using in-house resources. The conclusion of this study is that the Palmiter method is feasible as a cost-effective and sustainable option for ODOT's erosion control and stream management project needs, and that Palmiter method projects can be implemented using in-house personnel with expert assistance and/or training on the method.
