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A Guide to the Use of Long-Life Fully-Flexible Pavements - Phase 1 Report
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4786 |
04.05.2009 |
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The original objectives of The European Long-Life Pavement Group (ELLPAG) can be stated chronologically as short-term, medium
term and long-term objectives.
• The short-term objective of the Group is to produce within 12 months of starting
the formal project a State-of-the-art Review of current European knowledge on the design
and maintenance of long-life fully-flexible pavements.
• The medium-term objectives are to produce similar state-of-the-art reviews for the
other common ...[more] |
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Accelerated load testing of pavements. HVS-NORDIC tests in Sweden 1999
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4592 |
23.07.2009 |
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In 1997 Finland and Sweden jointly invested in a Heavy Vehicle Simulator, HVS, from South Africa. After the first period in Finland the HVS-NORDIC was moved to Sweden and VTI in Linkoping in September 1998. A program for research co-operation in the area of accelerated pavement testing has been agreed between Finland and Sweden covering the years 1997–2003.
The general objective of the research co-operation is to learn more about pavement response and pavement performance. A second but most ...[more] |
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Acceptance testing for road surface monitoring vehicles in Finland
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3848 |
23.07.2009 |
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VTI has carried out acceptance testing of companies that would like to do road surface monitoring in Finland. This has been done on commission of the Finnish Road Administration. This kind of acceptance testing has been done in Sweden by VTI in cooperation with the Swedish Road Administration several times (four times). With the experience of the tests in Sweden a test method adjusted for the Finnish needs have been composed. The purpose of the method is to accept or reject the participating com ...[more] |
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Accident simulation and analysis using Vehicle Infrastructure Interaction Simulation
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5 |
3769 |
31.08.2009 |
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The Vehicle Infrastructure Interaction Simulation (VIIS) is a framework to accurately model the infrastructure vehicle interaction based on real road measurement data. Some of these parameters have an obvious impact on transport safety (e.g. skid resistance). However the combination with other parameters (curvature, cross-fall, evenness) may have a higher risk which is not as easy perceivable. VIIS – road transport safety may be used to analyse safety relevant infrastructure parameter comb ...[more] |
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Adapting to Climate Change: The Public Policy Response-Public Infrastructure
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5 |
4304 |
18.08.2009 |
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This paper assesses the threats and needs that multidimensional climate change imposes for public infrastructure, reviews the existing adaptive capacity that could be applied to respond to these threats and needs, and presents options for enhancing adaptive capacity through public sector investments in physical, planning, and human resources. The paper considers four types of infrastructure: transportation; energy generation and transmission; water, sewer, and
telecommunications; and coastal de ...[more] |
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An integrated model system and policy evaluation tool for maximizing mobility under environmental capacity constraints: A case study in Dalian City, China
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2809 |
07.04.2010 |
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This paper presents an integrated model system for mobility maximization based on a quantified specification of environmental capacity, and evaluates policy interaction and effectiveness by simulating a number of policy scenarios. The system is designed to specify the maximum level of car ownership and number of trips by private and public modes subject to an environmental capacity constraint defined as the frontier emission under maximum system efficiency. Four types of hypothetical policies (p ...[more] |
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Anticipating plug-in hybrid vehicle energy impacts in California: Constructing consumer-informed recharge profiles
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3217 |
07.04.2010 |
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Plug-in hybrid electric vehicles (PHEVs) can be powered by gasoline, grid electricity, or both. To explore potential PHEV energy impacts, a three-part survey instrument collected data from new vehicle buyers in California. We combine the available information to estimate the electricity and gasoline use under three recharging scenarios. Results suggest that the use of PHEV vehicles could halve gasoline use relative to conventional vehicles. Using three scenarios to represent plausible conditions ...[more] |
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ARCHES - final summary report
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2350 |
11.04.2011 |
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The overall goal of the project ARCHES (Assessment and Rehabilitation of Central European Highway Structures) was to reduce any gaps in the standard of highway infrastructure between Central and Eastern European Countries (CEEC), particularly New Member States (NMS), and the rest of the EU. This key problem was addressed by a combined approach:
• developing more appropriate tools and procedures to avoid unnecessary interventions (repairs/replacements) in structures
• prevent the ...[more] |
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Arches Final Executive Report - Bulgarian
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2466 |
18.10.2010 |
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This is the final executive summary report, containing the projects findings and results of the ARCHES project, in BULGARIAN. ...[more] |
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Automatic analysis of eye tracker data
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4867 |
01.04.2010 |
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The movements of a person's eyes are an interesting factor to study in different research areas where attention is important, for example when driving. In 2004 the Swedish National Road and Transport Research Institute (VTI) introduced Simulator III – their third generation of driving simulators. Inside Simulator III a camera based eye tracking system is installed that records the eye movements of the driver. To be able to be used, the raw data from the eye tracking system needs to be analyzed a ...[more] |
