Abstract
Constructing a form for concreting a slab of girder bridges presents many difficulties, as mentioned in previous studies on girder bridges. Various construction methods have been developed and applied to improve the form construction. However, each method has problems in terms of cost, quality, construction period, productivity, safety, and transport. To solve these issues, the purlin hanging system form for concreting a slab of girder bridges was developed as an improvement over conventional methods. In order to commercialize the system, it is required to verify that this type of form enhances productivity by providing faster construction completion, reduced cost, and improved quality. Herein, the authors analysed the productivity of the purlin hanging system form for concreting a slab of girder bridges. The purlin hanging system form was found to increase labor productivity by 87%, shorten the construction period by 77%, and provide 59% cost savings compared to conventional forms. A shortcoming of the purlin hanging system form is the high initial investment cost, but this can be resolved through a leasing strategy that enhances reusability. Further study is needed to maximize the usability of the purlin hanging system form.
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Kim, S., Lim, J. & Park, J. Productivity Analysis of the Purlin Hanging System Form for Concreting the Slab of Girder Bridges. KSCE J Civ Eng 23, 1–9 (2019). https://doi.org/10.1007/s12205-018-0750-y
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DOI: https://doi.org/10.1007/s12205-018-0750-y