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Very large bridge project is very large and complex, the need to manage and control the content: engineering, investment, progress, quality, safety, contract, purchase, payment information. Thus, by means of computer-aided management (CAE) project management, schedule, quality, management and control of the progress of this completion of the the contract mandated basic requirements and the necessary means. Qingdao Bay Bridge construction is a complex process of a difficult investment management coordination is very cumbersome, difficult construction organization, the reasons include the following aspects. Participation units. . Operating points, long front. Synchronization job the cross work surface. Fourth, short construction period, progress control requirements. Qingdao Bay Bridge-building into a high-quality, cost-effective world-class bridge, you need to establish a scientific and efficient information management system for the whole project to implement the system, a comprehensive, dynamic command and management. To this end, the owners made it clear before construction projects proposed implementation of the use of modern project management concepts the Bridge construction management, to ensure that the project under control at all times, in accordance with the established duration, quality, cost, and safety objectives and requirements, the completion of various job. In order to improve the management level and efficiency of the Qingdao Bay Bridge project-oriented information management needs of the construction of the Qingdao Bay Bridge, the 4D-CAD technology and project management concepts, introduced to the field of bridge engineering. Through the establishment of Qingdao Bay Bridge 4D information model and engineering information integration mechanism supports 3D modeling system, exchange and sharing of data between the schedule management system, 4D construction management system and project management information system, and the realization of the project information integration management. At the same time, through the introduction of the construction schedule and resource allocation optimization theory and process simulation technology to realize the Qingdao Bay Bridge Project construction schedule, resources, cost optimization control, dynamic management and 4D visualization simulation to improve the efficiency of the Qingdao Bay Bridge construction The level of information management provides a new means. Developed by the Institute of Qingdao Bay Bridge construction project management information system is the first domestic and foreign 4D-CAD technology in bridge engineering, project management, information systems, research and application of the results will verify the technical and project management of the 4D-CAD concept used in the field of bridge engineering theory, methods and techniques for improving the information management level of the entire bridge engineering construction industry has high practical value and broad application prospects. The results will also enable the construction and management of the project may be raised from the tactical to the strategic level, reflecting the social and economic benefits of the system.
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