Use of Pavement Temperature Measurements for Winter Maintenance Decisions

Knollhoff, David S.; Takle, Eugene S.; Gallus, William A.; Burkheimer, Dennis

i

Use of Pavement Temperature Measurements for Winter Maintenance Decisions

1998-01-01
By Knollhoff, David S. ; Takle, Eugene S. ; Gallus, William A.

File Language:

English

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Creators:

Knollhoff, David S. ; Takle, Eugene S. ; Gallus, William A. ; Burkheimer, Dennis
Corporate Contributors:

Iowa State University ; Iowa. Dept. of Transportation
Subject/TRT Terms:
Resource Type:

Proceedings
Geographical Coverage:

Iowa ; United States
Corporate Publisher:

Iowa Department of Transportation
Abstract:

Formation of ice and frost on roadways and bridges presents a significant potential impediment to safe winter travel in Iowa. Roadway surface temperatures are not measured routinely by the National Weather Service and are not part of public forecasts of winter conditions, but highway maintenance personnel must make frost suppression and anti-icing decisions based on expectations of future roadway temperatures. Pavement temperatures are now measured at numerous locations in the state of Iowa and reported in real time to maintenance offices. One difficulty in use of such data is the question of how representative measurements made at one location are for other roadways in the vicinity. The authors have analyzed January pavement temperature data from urban/rural sites for both bridges and roadways in/near Cedar Rapids and Des Moines to evaluate nighttime trends and differences of temperatures at different locations and under different weather conditions. Preliminary results show that urban roadway pavement temperatures near both Des Moines and Cedar Rapids are 2 to 5 degrees F higher than rural roadway pavement temperatures under clear sky conditions but only 1 or 2, or 1 to 3 degrees higher under cloudy conditions or when cloud cover is changing. References. 4p.
Format:

PDF
Download URL:

https://rosap.ntl.bts.gov/view/dot/13905/dot_13905_DS1.pdf
File Type:

[PDF - 44.00 KB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:11e51875cc9666f4648833ed92c5fb46916318c89baaf46d92fd102aea405dce4d13d1b5d0a493b043514ff8d25389543517256914b6de711aa5615eef4195bf

File Language:

English

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