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Experimental Study of Ice-induced Vibration on Flexible Vertical Structure

Author: LiMing
Tutor: ShiQingZeng
School: Tianjin University
Course: Port, Coastal and Offshore Engineering
Keywords: Ice - induced vibration Dynamic ice force function Dynamic ice force model test Flexible vertical structures Interaction coefficients
CLC: TV135.6
Type: Master's thesis
Year: 2004
Downloads: 75
Quote: 3
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Abstract


With the progressive development of the cause of the cold waters offshore oil development , structural vibration caused by the sea ice more and more attention , especially sea ice caused by strong vibration , severe impact on the winter offshore platform production operations and staff safe and comfortable sense. This article mainly by indoor model test study the ice induced flexibility upright structural vibration . In order to guide the test by reading a lot of literature , the first on the physical and mechanical characteristics of the sea ice a brief introduction , and then ice - induced vibration of Research and dynamic ice force model tests carried out to summarize the details so far common theory and methods of ice - induced vibration and dynamic ice force model test device . Determined on the basis of the principle of dynamic ice force model test pilot , decided to conform to type simulator and test process design . Article to determine the steady-state response of the structure of the ice-induced activation function as ice induced vibration entry point . The test phenomena through careful observation , analysis and processing a large number of dynamic ice force model test data , draw a steady vibration is ice ice excited upright structure - structure interaction conclusion , define a dimensionless parameter control ice - structure interaction level - interaction coefficient I, and the eventual establishment of the activation function under steady-state response of the ice-induced flexible upright structure , has important practical value .

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CLC: > Industrial Technology > Hydraulic Engineering > The basic science of water resources project > Hydraulics > Engineering hydraulics ( hydraulic construction hydraulics ) > Kong Institution of Engineers building hydraulics
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