This study aims to propose a formwork system for beams that can improve constructability and economic feasibility. There are several problems related to the structure, quality, duration, and cost of construction. In this regard, the study proposes the Formwork System for the Beams to improve the existing formwork problems and conduct it with more accuracy and shorter duration. However, no analysis on productivity as the system is applied on site is made for this study. The existing formwork requires a lot of time and effort when installing the joist and purlin. Moreover, a gap in load support arising from removing the joist and purlin may lead to cracks in concrete beams or declined compressive strength. Forms are produced according to the dimensions of beams onsite, so the quality and use of forms decrease. Therefore, further studies on analyzing the productivity resulting from the actual application of the Formwork System should be conducted.

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