FWD Calibration Centers Ensure States Get Quality Data: States Use Falling-Weight Deflectometer (FWD) Data to Develop More Cost-Effective Rehabilitation Strategies

United States. Federal Highway Administration

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FWD Calibration Centers Ensure States Get Quality Data: States Use Falling-Weight Deflectometer (FWD) Data to Develop More Cost-Effective Rehabilitation Strategies

2002-03-01
By United States. Federal Highway Administration

[PDF-103.16 KB]

English

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Details:

Corporate Creators:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Calibration Cost Effectiveness Falling Weight Deflectometers FWD Pavement Maintenance Rehabilitation (Maintenance) Resurfacing Roadway Rehabilitation State Departments Of Transportation
Publication/ Report Number:

FHWA-RD-02-067
Resource Type:

Brief
Geographical Coverage:

United States
Corporate Publisher:

Turner-Fairbank Highway Research Center
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance
Abstract:

In 1999, $5.5 billion in Federal highway funds were spent on pavement

rehabilitation and resurfacing. To make the best possible decisions

about where and when to conduct pavement rehabilitation work, State departments of transportation (DOTs) need extensive data on the structural condition of pavement. To measure the structural condition of pavement, most pavement engineers rely on falling-weight deflectometer (FWD) technology. FWDs "thump" the pavement and record information about its structure and integrity. But like all sophisticated tools, the FWD must be properly calibrated. If it is not, measurements will be inaccurate. Inaccuracy wastes precious budget dollars.
Format:

PDF
Collection(s):

Federal Highway Administration US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:7247f7a7da54dfb5ee65c657735d9703b6352c0710fcdb5532b233bc5e41ed26
Download URL:

https://rosap.ntl.bts.gov/view/dot/4874/dot_4874_DS1.pdf
File Type:

No Additional Files

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FWD Calibration Centers Ensure States Get Quality Data: States Use Falling-Weight Deflectometer (FWD) Data to Develop More Cost-Effective Rehabilitation Strategies

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