Evaluation of Thermocoax Piezoelectric Weigh-in-Motion Sensors: Technical Evaluation Report

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ASCE Publications, Jan 1, 2001 - Technology & Engineering - 72 pages
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Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Innovation Center.

This report describes a program of installation, testing, and evaluation designed to determine the capabilities and limitations of Thermocoax's weigh-in-motion sensor.

 

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Contents

Introduction
1
Overview of Report
2
Phase 1 Laboratory Testing
3
Fatigue Testing of the Piezo Sensors
6
In Summary
14
Phase 2 Controlled Field Testing in Portland Cement Concrete
15
History of Phase 2
19
Measures of Sensor PerformanceDurability in Portland Cement Concrete
20
Phase 3 Controlled Field Testing in Asphalt Concrete
31
History of Phase 3
33
Measures of Sensor PerformanceDurability Asphalt Concrete
36
Compatibility Study
48
Phase 4 Noncontrolled Testing in Volunteer States
53
State Responses
57
Summary
60
Copyright

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