Dissertation > Excellent graduate degree dissertation topics show
A Research in Surveying of Immersed Tube
Author: HeQing
Tutor: LiQuanHai
School: Tongji University
Course: Cartography and Geographic Information Engineering
Keywords: Immersed tube Total Station Coordinate transformation Simulation test Real-time communication
CLC: U452.1
Type: Master's thesis
Year: 2006
Downloads: 208
Quote: 0
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Abstract
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Immersed tube tunnel construction , which has been prefabricated immersed tube paragraphs immersed into the water trench excavation prior good in the water paragraphs tube assembled a construction method fused . Shen pipe water sink to put a very important step in the entire construction process . Real-time monitoring of the immersed tube to sink into the design position , immersed tube sinking process tube feature points ( face feature points , etc.) position . This article is by constructing a mathematical model , combined with the construction survey , immersed tube tunnel construction , computer-controlled real-time monitoring and control of the total station method to solve the problem of the immersed tube sinking . It uses a total station observation data sink pipe body coordinates of the feature points through the coordinate transformation between different coordinate systems , real-time computing , and thus immersed tube sinking process real-time monitoring . Proposed immersed tube geometry detection parameters given calculation methods ; docking surface of the pipe section the centerline angle between the error after sinking line position . Use of the Visual Basic programming language helps sinking to achieve the immersed tube Sinking data processing and graphical simulation of the sinking , the construction of docking . Designed analog sinking test, from the longitudinal movement of the end surface , the end face transverse movement , the end face vertically movable the trailing cross poured rotation of an inspection , the final procedure to better reflect the various states of the tube section , to verify the theoretical model , the purposes. Finally, a brief statement about the direction of further work .
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CLC: > Transportation > Road transport > Tunnel project > Investigation, design and calculation > Survey
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