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Study on the Cable Crane Structure Designing Method of the Cable Suspension Bridge Erection

Author: GaoMingDa
Tutor: DengNianChun
School: Guangxi University of Technology
Course: Structural Engineering
Keywords: Suspension Bridge Cable load crane Truss Finite Element Analysis Loading test
CLC: U445.4
Type: Master's thesis
Year: 2011
Downloads: 62
Quote: 1
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Abstract


Cable suspension bridge stiffening the main beam installed special lifting equipment load crane, its composition mainly includes lifting the lift system, rope walking system, steel structure truss, power systems, control systems, upgrade spreader and auxiliary systems. Cable contained the steel structure of the crane is the basis of all load carrier, in a different walking and construction condition, the stress state and the structural stability is a concern in the design process, so the cable set crane steel selection, stress analysis and structural optimization is extremely important. Walking to the development of large tonnage full hydraulic walker cable set crane target application background, is set to Hunan Aizhai King suspension bridge steel main beams selected from the the steel truss Selection, modular design, the design parameters, etc., cable set out the structural design of the crane system and summarized comparative analysis of the structural load test with theoretical calculations, so as to ensure safe and reliable cable set crane used in engineering practice. The research topics include: (1) the history of the development of the cable load crane reviewed and cable load crane analysis and summary suspension bridge erected in the status quo, the the cable board crane current problems and insufficient , and made Prospects. (2) sets of large tonnage full hydraulic walking the walking rope uploaded crane structure and composition, and cable set out the structure of the crane components design and computational analysis the system summarized discusses component design principles and elements, and derive The finite element method structural analysis calculation principles outlined cable contained crane attachments. (3) Hunan Aizhai King suspension bridge erection the cable set hoists research project relying proposed innovative design concept, and discusses in detail the cable load crane structure calculation and analysis of the entire process starting from the design task to board crane cable main truss, for example, from the strength of the structure static checking, the overall stability and local stability checking, node checking dynamic modal analysis point of view of its comprehensive structural analysis. (4) molding process Hunan Aizhai King suspension bridge erected in each grade cable contained crane structural load test, the strain of the cable load crane structure, deformation measurement point design, installation measuring point sensors, stage loading and acquisition strain under the load deformation data, collecting and sorting the test data, a comparative analysis of the data with theoretical calculations. The test results show that the structure is safe, and good agreement of experimental results with theoretical analysis.

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CLC: > Transportation > Road transport > Bridges and Culverts > Bridge Construction > Construction Technology
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