Effect of Environmental Factors and Loading Position on Dynaflect Deflections in Rigid Pavements

Torres-Verdin, Victor; McCullough, B. Frank

i

Effect of Environmental Factors and Loading Position on Dynaflect Deflections in Rigid Pavements

1982-11-01
By Torres-Verdin, Victor ; McCullough, B. Frank

File Language:

English

Details

Creators:

Torres-Verdin, Victor ; McCullough, B. Frank
Corporate Creators:

University of Texas at Austin. Center for Transportation Research
Corporate Contributors:

Texas. Department of Highways and Public Transportation. Transportation Planning Division ; United States. Department of Transportation. Federal Highway Administration
Subject/TRT Terms:
Publication/ Report Number:

FHWA/TX-82/28+249-4
Resource Type:

Tech Report
Geographical Coverage:

Texas ; United States
Edition:

Interim Report
Corporate Publisher:

University of Texas at Austin. Center for Transportation Research
Abstract:

In this report, several of the factors that affect Dynaflect deflections in rigid pavements are analyzed. Findings from this study are incorporated into a recommended procedure for the use of the Dynaf1ect. The Slab-49 program is used to simulate voids of various sizes under a continuously reinforced concrete pavement. The effect of a placement error in the deflection measurement device is also studied. Distances from the pavement edge at which the Dynaf1ect should be placed are recommended for both materials' characterization and void detection. A discussion about the effect of environmental factors on deflections in rigid pavements is also presented. Statistical analysis is considered for determining the required number of Dynaf1ect deflections to obtain representative results. Finally, the results from this report are combined into a recommended procedure for Dynaflect deflection measurements, which, it is hoped, will result in improvements to the determination of input data for rigid pavement overlay design computer programs.
Format:

PDF
Funding:

3-8-79-249
Download URL:

https://rosap.ntl.bts.gov/view/dot/77965/dot_77965_DS1.pdf
File Type:

[PDF - 2.21 MB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:4be2eafab46244724eb30b0154e5146569d25c6fe4de9c9bdb33efe856254a4a4218f335ff5fa03fd5c213df699daf62e17caa68b94490e7261d0f359cda79d3

File Language:

English

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