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全跨預鑄工法生產與吊裝整合規劃模式

INTEGRATED PLANNING MODEL FOR THE FULL-SPAN PRECAST LAUNCHING METHOD

摘要


台灣高速鐵路在橋樑上大量使用全跨預鑄吊裝工法(FPLM),亦是台灣高鐵C250 至C280 標案中的主要興建工法,由於預鑄單元的生產規劃與橋墩施作時間息息相關,而預鑄單元的生產速率、開模組數、橋墩吊放施作時程亦需相互配合,以避免不必要之閒置成本。故本研究針對上述要點進行探討,考量預鑄單元生產、運輸吊裝與下部結構橋墩建造等施作流程,建立工期最佳化之整合模式,並經由三者排程的適妥規劃之下,達到施工順遂之目的。本研究係以全跨預鑄吊裝工法為主題,整合全跨預鑄生產及橋墩施作時程,以限制規劃為研究方法進行模式建構,並在滿足完工限制條件下,求解目標式為總工期最短問題,經由此整合生產、運輸、現場施工之數學規劃模式,期可俾利承包廠商於施工前的「規劃作業」及施工中的「進度控管」,減少傳統經驗法則所造成之疏失。

並列摘要


Full-Span Precast Launching Method (FPLM) is widely utilized for project of Taiwan High Speed Railway, especially in section C250 and C280. Due to production of precast segments are highly correlated in the bridge construction, the actions of precasting, transportation, and lifting for bridge project are deliberated in this study. This study thus employed constraint programming (CP) techniques, which incorporates the techniques from mathematics, artificial intelligence, and operations research, to develop an integrated planning model. Minimization of project duration is regarded as objective function to for decreasing operation and idle cost, and the proposed model is then proposed to assist contractors in handling project planning and scheduling problem.

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