00968515

Component

https://doi.org/10.3141/1860-10

http://scholar.google.com...rris&publication_year=2003

Nondestructive testing has become an integral part of pavement evaluation and rehabilitation strategies in recent years. Pavement evaluation employing the falling-weight deflectometer (FWD) and ground-penetrating radar (GPR) can provide valuable information about pavement performance characteristics and be a very useful tool for project prioritization purposes and estimation of a construction budget at the network level. Traditional obstacles to the use of the FWD and GPR in pavement evaluation at the network level used to be expenses involved in data collection, limited resources, and lack of simplified analysis procedures. Indiana experience in pavement evaluation with the FWD and the GPR at the network level is presented. A network-level FWD and GPR testing program was implemented as a part of a study to overcome those traditional obstacles. Periodic generation of necessary data will be useful in determining how best to quantify structural capacity and estimate annual construction budgets. Three FWD tests per mile on 2,200 lane-mi of the network is recommended annually for network-level pavement evaluation. The information collected will allow the equivalent of 100% coverage of the whole network in 5 years. GPR data are recommended to be collected once every 5 years (if another thickness inventory is needed) after the successful network thickness inventory conducted in this study. GPR data collection is also recommended at the project level and for special projects. Both FWD and GPR data are recommended to be used as part of the pavement management system, together with automated collection of data such as international roughness index, pavement condition rating, rut depth, pavement quality index, and skid resistance.

This paper appears in Transportation Research Record No. 1860, Pavement Assessment, Monitoring, and Evaluation 2003.

English

p. 90-99

2003

Transportation Research Record

0309085977

Figures (10) ; References (16) ; Tables (3)

Budgeting; Data collection; Falling weight deflectometers; Ground penetrating radar; Nondestructive tests; Pavement management systems; Pavement performance; Pavements; Rehabilitation; Strategic planning

Network-level pavement evaluation

Indiana

Design; Finance; Highways; Pavements; I22: Design of Pavements, Railways and Guideways; I23: Properties of Road Surfaces

TRIS, TRB, ATRI

Jan 8 2004 12:00AM

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