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| Author | : |
| Publisher | : DIANE Publishing |
| Total Pages | : 172 |
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| ISBN | : 1428995234 |
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| Total Pages | : 0 |
| Release | : 2003 |
| Genre | : Pavements |
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| Total Pages | : 66 |
| Release | : 1997 |
| Genre | : Pavements |
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The Long-Term Pavement Performance Information Management System (LTPP IMS) Data Users Reference Manual contains an overview of the LTPP program and the data available to researchers. LTPP is a 20-year study of pavements to improve design, rehabilitation, and maintenance practices. This document is intended to assist researchers in understanding the data that are currently available for General Pavement Studies Experiments and how to obtain it. The General Pavement Studies are a group of asphalt concrete (AC) and portland cement concrete (PCC) experiments using in-service pavements. In addition to materials test results for the pavement sections, data on pavement history, maintenance, and rehabilitation are stored in the IMS. Information on distress, transverse profile, cross profile, pavement deflection, and traffic is collected on a routine basis and added to the data base regularly. The manual includes information on the quality control process.
| Author | : Gary Eugene Elkins |
| Publisher | : |
| Total Pages | : 224 |
| Release | : 2021 |
| Genre | : Pavements |
| ISBN | : |
This document provides information to aid in understanding and using the Long-Term Pavement Performance (LTPP) program's Pavement Performance Database (PPDB), LTPP Traffic Analysis Software (LTAS) database, and contents of the Ancillary Information Management System (AIMS) and LTPP InfoPaveTM. This report describes the structure of the LTPP program, the relational structure of the LTPP PPDB, the location of various data elements, contents of data tables, tips on efficient means of manipulating data for specific types of investigations, and information on how to obtain data. This is the final updated version of this report. The LTPP InfoPave website is now the official public data dissemination mechanism for LTPP data. Over the years of updates to this report, contributing authors included Travis Thompson, Amy Simpson, Beth Visintine, and Peter Schmalzer.
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| Total Pages | : 36 |
| Release | : 2012 |
| Genre | : Long Term Pavement Performance Program (U.S.) |
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"This document provides information on the Long-Term Pavement Performance (LTPP) program ancillary information. Ancillary information includes data, images, reference materials, resource documents, and other information that support and extend the data stored in the Pavement Performance Database related to understanding the performance of pavement test sections included in the LTPP program. The primary purpose of this report is to explain the types and nature of the available information. Technical details on electronic formats and storage conventions are also presented." Technical documentation page.
| Author | : William O. Hadley |
| Publisher | : |
| Total Pages | : 92 |
| Release | : 1994 |
| Genre | : Pavements |
| ISBN | : |
This report describes the information management system within SHRP-LTPP to service the NPPDB and the quality assurance checks that verify the presence, reasonableness, accuracy, and validity of the data prior to incorporation into the NPPDB. The National Pavement Performance Database (NPPDB) houses many types of data including inventory, materials characterization, longitudinal profile, deflection, cross profile, distress, friction, maintenance, rehabilitation, climate, and traffic. The report discusses data types and elements in detail and notes data sources. Equipment and operations of the NPPDB are described, as well as NPPDB products.
| Author | : Shahed Rowshan |
| Publisher | : |
| Total Pages | : 41 |
| Release | : 1993 |
| Genre | : Pavements |
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| Publisher | : |
| Total Pages | : 27 |
| Release | : 1991 |
| Genre | : Pavements |
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Describes the information management system (IMS) of the Long-Term Pavement Performance Program (LTPP), available LTPP data, and means of access to the data.
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| Total Pages | : 34 |
| Release | : 1996 |
| Genre | : Pavements |
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| Author | : |
| Publisher | : |
| Total Pages | : 75 |
| Release | : 1993 |
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