Measuring Pavement Deflection at 55 MPH: The Rolling Wheel Deflectometer

United States. Federal Highway Administration

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Measuring Pavement Deflection at 55 MPH: The Rolling Wheel Deflectometer

2004-01-01
By United States. Federal Highway Administration

[PDF-112.40 KB]

English

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Details:

Corporate Creators:

United States. Federal Highway Administration
Contributors:

Grogg, Max
Corporate Contributors:

United States. Federal Highway Administration. Iowa Division Office
Subject/TRT Terms:

[+]

Condition Surveys Deflection Tests Deflectometers Technological Innovations
Publication/ Report Number:

FHWA-IF-04-001
Resource Type:

Brief
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Highway Administration
Abstract:

Prioritizing needs and targeting scarce highway funds are critical issues for highway officials. Highway engineers have many valuable tools to assess surface deterioration and overall condition of pavements in their transportation network. One of the newest tools is the Rolling Wheel Deflectometer (RWD). It is primarily designed to measure the structural capacity and stiffness of asphalt pavements at the network level. After years of testing, the Federal Highway Administration has developed the first prototype device for measuring pavement deflection data continuously at speeds matching the pace of traffic. The new device, called the Rolling Wheel Deflectometer (RWD), can measure deflections over hundreds of miles in a given day and provide a "structural map" of an entire highway network quickly and accurately. The RWD is designed to be a network-level screening device.
Format:

PDF
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:32c481e59a5c7f9177c22458073e5d4fb176e03ea09338c296f14ef8df004fb7
Download URL:

https://rosap.ntl.bts.gov/view/dot/59161/dot_59161_DS1.pdf
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No Additional Files

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Measuring Pavement Deflection at 55 MPH: The Rolling Wheel Deflectometer

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