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1. |
Record Nr. |
UNINA990009612690403321 |
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Autore |
Istituto geografico militare |
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Titolo |
Monte Frasca [Documento cartografico] / IGM |
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Pubbl/distr/stampa |
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Edizione |
[3. ed] |
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Descrizione fisica |
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1 carta ; 37 x 42 cm su foglio 51 x 62 cm |
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Collana |
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Carta d'Italia ; 273, quadrante 4, tavoletta NO |
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Locazione |
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Collocazione |
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Lingua di pubblicazione |
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Formato |
Materiale cartografico a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Il meridiano di riferimento รจ Monte Mario, Roma |
Rilievo del 1940 |
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2. |
Record Nr. |
UNINA9910709688803321 |
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Autore |
Rada Gonzalo R. |
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Titolo |
Study of LTPP distress data variability / / [G.R. Rada and five others] |
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Pubbl/distr/stampa |
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McLean, VA : , : U.S. Department Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center, , September 1999 |
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Descrizione fisica |
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1 online resource (2 volumes) : illustrations |
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Soggetti |
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Pavements - Performance - Mathematical models |
Pavements - Evaluation - Mathematical models |
Pavements - Maintenance and repair - Mathematical models |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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"September 1999." |
"Performing organization: Law PCS, a division of LAW Engineering and Environmental Services, Inc."--Report documentation page. |
"Contracting officer's rechnical representative - Monte Symons"--Report documentation page. |
"Publication no. FHWA-RD-99-074." |
"Publication no. FHWA-RD-99-075." |
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Nota di bibliografia |
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Includes bibliographical references (volume 1, page 137). |
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Nota di contenuto |
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; volume I. [Without special title] -- ; volume II. Appendix A, Appendix B, and Appendix C. |
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Sommario/riassunto |
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Reliable distress data for pavement performance model development and validation, and other pavement engineering products, are critical to the success of the Long-Term Pavement Performance (LTPP) program. Confidence in distress data requires a measure of error because of the bias and precision components of its variability. No systematic evaluation has been performed to quantify the bias and variability associated with both the manual and PASCO film-based distress data. In view of this, this study was undertaken by the Federal Highway Administration (FHWA) to assess the variability of the LTPP distress data, including those in the Information Management System (IMS) and those currently being collected using either photographic or manual methods. |
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