Develop System to Render Mechanistic-empirical Traffic Data for Pavement Design PDF Download
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Author: Lubinda F. Walubita
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 0
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Book Description
This zipped file is composed of several PDFs (instructor guide, student guide, and a PowerPoint Presentation) for a training workshop meant to provide the methodologies for generating and using site-specific Mechanistic-Empirical-compatible traffic data for flexible and rigid pavement designs. The half-day course covers: 1. Traffic data sources to obtain the applicable M-E traffic data. 2. Traffic data parameters calculated and generated using the collected traffic data such as traffic volume, speed, classification, and weight data. 3. Traffic data inputs required for pavement design (for FPS and ME design software). 4. The traffic data storage system (The T-DSS) to store and provide ME-compatible traffic data support. 5. Data analysis macros and clustering algorithms to automatically analyze and generate the ME-compatible traffic data
Author: Lubinda F. Walubita
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 0
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Book Description
This zipped file is composed of several PDFs (instructor guide, student guide, and a PowerPoint Presentation) for a training workshop meant to provide the methodologies for generating and using site-specific Mechanistic-Empirical-compatible traffic data for flexible and rigid pavement designs. The half-day course covers: 1. Traffic data sources to obtain the applicable M-E traffic data. 2. Traffic data parameters calculated and generated using the collected traffic data such as traffic volume, speed, classification, and weight data. 3. Traffic data inputs required for pavement design (for FPS and ME design software). 4. The traffic data storage system (The T-DSS) to store and provide ME-compatible traffic data support. 5. Data analysis macros and clustering algorithms to automatically analyze and generate the ME-compatible traffic data
Author: John Randolph Stone
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 225
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Book Description
Author: American Association of State Highway and Transportation Officials
Publisher: AASHTO
ISBN: 156051423X
Category : Pavements
Languages : en
Pages : 218
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Book Description
Author: Lubinda F. Walubita
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 0
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Book Description
This user's manual aids users to understand and use the mechanistic-empirical (M-E) traffic data storage system (the T-DSS). The T-DSS is a Microsoft Access data storage system containing the essential outcomes of the project 0-6940 entitled "Develop System to Render Mechanistic Empirical Traffic Data for Pavement Design." As a supporting material, this user's manual presents and describes the following points: (1) Overall structure and data organization frame in the T-DSS. (2) Data stored in the T-DSS, including units, values, and specific comments useful to users. (3) The T-DSS interfaces including the layout formats. (4) Tables under each interface to ease data retrieval from T-DSS. The data and attachment files in the T-DSS can also be exported or downloaded for use in M-E pavement design. Especially, the manual emphasizes the retrieval of inputs data needed for M-E models and the related software, including the flexible pavement design system (FPS), the Texas mechanistic-empirical (TxME), the Texas asphalt concrete overlay design and analysis system (TxACOL), the AASHTOWare Pavement M-E Design, and the mechanistic empirical pavement design guide (M-E PDG). (5) Guidance on Federal Highway Administration (FHWA) vehicle classification and the FHWA weight classification for different categories of axles including single, tandem, tridem, and quadrem. (6) A map of the Texas weigh-in-motion (WIM) location and a summary of the geographic coordinates of the WIM sites as reported in the T-DSS.
Author: Jorge A. Prozzi
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 164
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Book Description
The goal of this research study was to assess and address the implications of the axle load spectra approach proposed by the M-E Design Guide. In addition, recommendations were developed regarding traffic data needs and availability to aid in deciding the installation locations of future WIM stations in Texas. A methodology for specifying the required accuracy of WIM equipment based on the effect that this accuracy has on pavement performance prediction was also developed. Regarding traffic volume forecasting, a methodology is presented that allows optimum use of available data by simultaneously estimating traffic growth and seasonal traffic variability.
Author: Ferdous Intaj
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Proper characterization of traffic data is a prerequisite for the determination of appropriate traffic inputs to Mechanistic-Empirical Pavement Design Guide (MEPDG). The development of proper traffic inputs helps reflect the traffic conditions over the life of pavement which would decrease the maintenance, repair and traffic disruptions and improve the traffic conditions of a road network. The objective of the study was to characterize the traffic data and suggest the sitespecific, regional or state wide average values for traffic inputs to MEPDG for New York State. Vehicle class distribution (VCD), monthly distribution factors (MDF), hourly distribution factors (HDF), average number of axle groups per vehicle (AGPV) and axle load spectra were obtained from vehicle classification and WIM sites in New York State for the years of 2007-2011. These traffic data was processed with TrafLoad software. Cluster analysis was performed on the processed VCD, MDF and HDF data collected during the time period. This statistical analysis could not be done for AGPV values and axle load spectra due to the unavailability of sufficient number of WIM sites. However, MEPDG runs were carried out to investigate the effect of the variability of traffic inputs on the pavement performance of typical new flexible and rigid pavement structures. The statistical analysis showed consistent results for VCD and HDF over the years. However, the results of statistical analysis on MDF were not consistent over the time period. Site specific values for VCD, MDF, AGPV and axle load spectra showed little variation with statewide average values after the cluster analysis and MEPDG runs for the vehicle classification and WIM data of the year of 2010. This was observed for both flexible and rigid pavements. However, HDF did not show any effect on the design of pavement with MEPDG. These findings were also verified from the analysis of vehicle classification and WIM data of the other years.
Author:
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 12
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Book Description
Author: Lubinda F. Walubita
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 0
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Book Description
As the portable weight-in-motion (WIM) technology has been successfully explored and practically used to collect site-specific traffic data in Texas Department of Transportation Research Project 0-6940 Develop System to Render Mechanistic-Empirical Traffic Data for Pavement Design, this standardized guideline was developed to aid users understand more thoroughly the portable WIM system deployment and its operation for traffic data collection. This draft guideline can be used as a main guide for the portable WIM system implementation on Texas highways. As a supporting material, this guideline covers and describes the following points: 1. Portable WIM components and the required accessories. 2. Preparation of the portable WIM installation and highway site selection. 3. Portable WIM setup, installation, calibration, maintenance, uninstallation, and troubleshooting. 4. Automated macros for processing and analyzing portable WIM traffic data, such as volume, speed, vehicle classification, and weight data. 5. Automated macros for generating Flexible Pavement Design System (FPS) and Texas Mechanistic-Empirical Flexible Pavement Design System (TxME) traffic input data for pavement design.
Author: National Cooperative Highway Research Program
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 238
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Book Description
Author:
Publisher: AASHTO
ISBN: 1560514493
Category : Technology & Engineering
Languages : en
Pages : 202
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Book Description
This guide provides guidance to calibrate the Mechanistic-Empirical Pavement Design Guide (MEPDG) software to local conditions, policies, and materials. It provides the highway community with a state-of-the-practice tool for the design of new and rehabilitated pavement structures, based on mechanistic-empirical (M-E) principles. The design procedure calculates pavement responses (stresses, strains, and deflections) and uses those responses to compute incremental damage over time. The procedure empirically relates the cumulative damage to observed pavement distresses.
