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Research and Development of Internal Mold for Prestressed Concrete Box-girder Used in High-speed Railway

Author: TangWeiJun
Tutor: WangShiGang；HouChengRen
School: Shanghai Jiaotong University
Course: Mechanical Engineering
Keywords: Automatic hydraulic internal model Overall program Hydraulic synchronization Structural Analysis Institutions optimize Motion Simulation
CLC: U445.471
Type: Master's thesis
Year: 2010
Downloads: 31
Quote: 0
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Abstract


The high - speed railway precast box girder by the internal model and the formation of the outer mold surface shape of the box girder , concrete pouring molding . As the country 's large-scale high-speed railway construction , more and more bridge application box girder structure , research and technological development of the internal model of automatic hydraulic broad application prospects . As a large modern bridge box girder advanced manufacturing technology , hydraulic design and application of the internal model is constantly being explored . I plant the production of 32m fully automatic hydraulic internal model for the study, the study of its overall program , hydraulic systems , structural analysis , institutional system , automatic hydraulic internal model design , manufacturing has important value in engineering and theoretical significance. Thesis : ( 1) a brief introduction to the overview of the development of high-speed railway and its bridge box girder , box girder internal model classification , analysis of the box girder within the mode of development and research status . (2) internal model overall program design , and describes the internal model formwork demolding process to determine the internal model construction process . ( 3 ) to determine the form of the internal model of the hydraulic system and hydraulic components required , and the main component selection analysis ; while the hydraulic pressure within the mold of a variety of synchronization schemes , determined to meet the requirements of practical engineering synchronization scheme . ( 4 ) according to the internal model overall structure , two types of conditions , structural analysis checking internal mold . ( 5 ) to establish a mathematical model of the internal model optimized by using MATLAB software optimization solution , and Pro / E software to establish the internal model of the three-dimensional model of the result of the optimization motion simulation , prove the the internal model agencies optimization results correctly , to achieve after the contraction of the internal model agency body minimum security stripping optimization purposes . Precast box girder within die in high-speed rail development of this study has been a success , the internal model produced by the user acceptance , put into use .

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CLC: > Transportation > Road transport > Bridges and Culverts > Bridge Construction > Construction Technology > Bridge manufacturing > Concrete and reinforced concrete beam manufacturing
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