Validation and Refinement of a Novel Deicing System for Stay Cables
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2020-02-01
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Edition:Final Report, 7/1/18 – 2/29/20
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Abstract:Ice accumulating on the stay cable sheaths of cable-stayed bridges and falling to the roadway below has become a growing concern due to the traffic disruptions that they cause as well as the property damage to vehicles below. These large chunks of falling ice, known as “ice bombs” can cause high property damage as well as safety concerns. As of right now there is no industry standard when it comes to solving this issue. The novel deicing system, “SHAKEY”, shows promise in alleviating this ice bomb dilemma. The SHAKEY deicing unit employs an array of vibrating masses that operate inside the protective stay cable sheath. Traveling between the steel cable strands and the protective sheath covering them, SHAKEY aims to use mechanical vibrations to shed any ice that has accumulated around these stays. This project will attempt to emulate the ice formation found on at-risk cable-stayed bridges and validate the effectiveness of the SHAKEY system at removing this ice. Fabrication of the prototype SHAKEY deicing unit as well as the design and construction of an appropriate operating platform on which to validate SHAKEY was also developed in this project.
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Main Document Checksum:urn:sha-512:7603c540f5abf4e470c7bc5401ef958e36ca452b34198b75067591120339a3f22c26b48e0336ad91c5e5643a237d13af646ff181ad4f9c0aa16539b6481f901e
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