Improving the accuracy and usability of Iowa falling weight deflectometer data : [summary].

Ceylan, Halil; Gopalakrishnan, Kasthurirangan; Kim, Sunghwan; Iowa State University. Institute for Transportation

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Improving the accuracy and usability of Iowa falling weight deflectometer data : [summary].

2013-05-01
By Ceylan, Halil ; Gopalakrishnan, Kasthurirangan ; Kim, Sunghwan

[PDF-448.70 KB]

English

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Creators:

Ceylan, Halil ; Gopalakrishnan, Kasthurirangan ; Kim, Sunghwan

Ceylan, Halil ; Gopalakrishnan, Kasthurirangan ; Kim, Sunghwan Less -
Corporate Creators:

Iowa State University. Institute for Transportation
Subject/TRT Terms:

[+]

Accuracy Asset Management Backcalculation Falling Weight Deflectometers Hot Mix Paving Mixtures Overlays (Pavements) Pavement Layers Portland Cement Concrete Software
Publication/ Report Number:

InTrans Project 11-415
Resource Type:

Tech Report
Geographical Coverage:

Iowa
Corporate Publisher:

Iowa State University. Institute for Transportation
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-HIGHWAY/ROAD TRANSPORTATION
Abstract:

Highway agencies periodically evaluate the structural condition of roads as part of their routine maintenance and rehabilitation activities. The falling-weight deflectometer (FWD) test measures road surface deflections resulting from an applied impulse loading, simulative of a truck passing on the highway. The measured surface deflections are utilized to determine pavement layer stiffnesses through a backcalculation type structural analysis.

Although the Iowa Department of Transportation (DOT) has been collecting the FWD data on a regular basis, the pavement layer moduli backcalculation techniques used so far have been cumbersome and time consuming. More efficient and faster methods in FWD test data analysis were deemed necessary for routine analysis.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:d012c6c43cac4e3eb1ab5220d932fb5b5a3199a1ea1b399e31c82e0f3016a541
Download URL:

https://rosap.ntl.bts.gov/view/dot/26283/dot_26283_DS1.pdf
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Improving the accuracy and usability of Iowa falling weight deflectometer data : [summary].

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