United States Department of Transportation
i
Hydraulic Inspection Vehicle Explorer (HIVE) Culvert Upgrade
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2021-05-11
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[PDF-15.36 MB]
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Edition:Final Report 2019-2021
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Abstract:The Vermont Agency of Transportation (VTrans) has adopted a policy requiring all culverts to be inspected every 5 years, resulting in around 9,600 small culverts needing to be inspected annually. Many of these culverts have small diameters that preclude human inspection. This report describes the design, fabrication and testing of a lightweight and low-cost culvert inspection vehicle known as the Hydraulic Inspection Vehicle Explorer 2.0 (HIVE 2.0). It is a tracked vehicle with a conceptual design inspired by an earlier generation HIVE based on a 4-wheel drive chassis. Improvements with the HIVE 2.0 include superior maneuverability across gaps in the culvert bed and increased video telemetry range through small culverts and drop inlets (DIs). Field tests confirm the capabilities of the HIVE 2.0. The project objectives are: 1. Clarification of design requirements, 2. Identify test sites, 3. Design, build and field test prototype robot, 4. Change and improve robot based on field test results, 5. Fabricate and deliver functional robot, 6. Technology transfer, benefit quantification, and guidelines for implementation.
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