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Visualization and Optimization of Construction Schedule Considering the Geological Conditions in the Complicated Underground Cavern  

Choi, Yong-Kun (지오제니컨설턴트)
Park, Joon-Young (지오제니컨설턴트 자원사업부)
Lee, Sung-Am (지오제니컨설턴트 자원사업부)
Kim, Ho-Yeong (SK건설, GSUC사업본부)
Lee, Hee-Suk (SK건설, GSUC팀)
Lee, Seung-Cheol (SK건설, Geotask팀)
Publication Information
Tunnel and Underground Space / v.19, no.3, 2009 , pp. 167-173 More about this Journal
Abstract
Underground storage cavern is known as the most complicated underground project because of the complexity of construction schedule, tunnel size, and geological problems. In order to optimize the construction schedule of underground storage cavern, two up-to-date technologies were applied. The first technology was 3 dimensional visualization of complicated underground structures, and the second was 4 dimensional simulation considering construction resources, geological conditions and construction schedule. This application case shows that we can achieve optimized construction schedule in the ways to optimize the number of work teams, fleets, the sequence of tunnel excavation, the commencement time of excavation and the hauling route of materials and excavated rocks. 3 dimensional modeling can help designer being able to understand the status of complicated underground structures and to investigate the geological data in the exact 3 dimensional space. Moreover, using 4 dimensional simulation, designer is able to determine the bottle neck point which appear during hauling of excavated rocks and to investigate the daily fluctuation in cost.
Keywords
Underground storage cavern; 3-dimensional modeling; 4-dimensional simulation; Optimization of construction schedule; Visualization of design and construction;
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