Performance evaluation of piezoelectric weigh-in-motion sensors under controlled field-loading conditions

被引:0
|
作者
Alavi, SH
Mactutis, JA
Gibson, SD
Papagiannakis, AT
Reynaud, D
机构
[1] Nichols Consulting Engn Chartered, Reno, NV 89509 USA
[2] Washington State Univ, Dept Civil & Environm Engn, Pullman, WA 99164 USA
[3] Highway Innovat Technol Evaluat Ctr, Washington, DC 20037 USA
关键词
D O I
暂无
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
A research study evaluating piezoelectric sensors used for collecting Weigh-in-Motion (WIM) data is summarized. The evaluation was sponsored by the Highway Innovative Technology Evaluation Center and con sisted of testing the WIM sensors under controlled laboratory and field-loading conditions in both asphalt concrete (AC) and portland cement concrete (PCC) pavements. The field evaluation of piezoelectric WIM sensors is emphasized. The AC installation was performed at the WesTrack test facility near Reno, Nevada, and the PCC installation was performed at a California Department of Transportation (Caltrans) Heavy Vehicle Simulator test site near Palmdale, California. In addition, a compatibility study of the response of the WIM sensors with different data acquisition systems was conducted at the WesTrack facility. Also, various types of grouts were used in the WIM installations. Results indicated that WIM sensor performance was most dependent on the ability of data acquisition systems to process the raw sensor output accurately.
引用
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页码:95 / 102
页数:8
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