Use of seismic pavement analyzer to monitor degradation of flexible pavements under Texas mobile load simulator

YUAN, D ; NAZARIAN, S ; et al.

In: Applications of emerging technologies in transportationTransportation research record (1615):3-10; (1998) 1615, S. 3-10

Konferenz - print, 9 ref

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The seismic pavement analyzer (SPA) combines several wave propagation techniques in a single unit and can rapidly perform nondestructive tests to determine the condition of pavement. The modulus of each layer of pavements is a major parameter estimated with the SPA. The SPA and its portable version, the PSPA, have been used with the field operation of the Texas mobile load simulator (TxMLS) to detect the variation in properties of different layers with the number of axle loads applied to the pavement. The theoretical background related to the methods used with the SPA and PSPA is discussed. Results from tests of the SPA and PSPA at a TxMLS testing site are presented. The variation in moduli as a function of the deterioration of pavement is detected. The results have been compared with those obtained from direct seismic measurements made on the top of each layer to evaluate the accuracy of the devices. In general, a good agreement was achieved.

Titel:	Use of seismic pavement analyzer to monitor degradation of flexible pavements under Texas mobile load simulator
Autor/in / Beteiligte Person:	YUAN, D ; NAZARIAN, S ; CHEN, D.-H ; HUGO, F
Link:	View record from PASCAL Archive
Quelle:	Applications of emerging technologies in transportationTransportation research record (1615):3-10; (1998) 1615, S. 3-10
Veröffentlichung:	Washington, DC: National Research Council, 1998
Medientyp:	Konferenz
Umfang:	print, 9 ref
ISSN:	0361-1981 (print)
Schlagwort:	Amérique du Nord North America America del norte Amérique America Etats Unis United States Estados Unidos Texas Civil engineering Génie civil Transportation Transports Sciences exactes et technologie Exact sciences and technology Sciences appliquees Applied sciences Batiment. Travaux publics Buildings. Public works Généralités General Mesures. Techniques expérimentales Measurements. Technique of testing Durabilité. Pathologie. Réparation. Entretien Durability. Pathology. Repairing. Maintenance Délabrement des constructions (fissures, altérations physiques, etc.) Building failures (cracks, physical changes, etc.) Infrastructure des transports Transportation infrastructure Construction routière. Chaussées. Entretien Road construction. Pavements. Maintenance Revêtements Surfacing Analyse dommage Failure analysis Análisis avería Analyse sismique Seismic analysis Análisis sísmico Analyseur Analyzer Analizador Appareil portatif Portable equipment Aparato portátil Chaussée souple Flexible pavement Calzada elástica Description système System description Descripción sistema Implémentation Implementation Ejecución Localisation Localization Localización Mesure acoustique Acoustic measurement Medida acústica Module Young Young modulus Módulo Young Monitorage Monitoring Monitoreo Propagation onde Wave propagation Propagación onda Simulation numérique Numerical simulation Simulación numérica Spectre fréquence Frequency spectrum Espectro frecuencia Subject Geographic: Amérique du Nord North America America del norte Amérique America Etats Unis United States Estados Unidos Texas
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Conference Paper File Description: text Language: English Author Affiliations: Center for Highway Materials Research, The University of Texas, El Paso, TX 79968, United States ; Texas Department of Transportation, Austin, TX 78779, United States ; Center for Transportation Research, The University of Texas, Austin, TX 78512, United States Rights: Copyright 1999 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Building. Public works. Transport. Civil engineering

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