Abstract
In this study, by applying the developed formwork automation design software to three target structures, we reviewed the applicability of the formwork automation design software for the aluminum formwork. To apply the formwork automation design software, we built an aluminum formwork library based on the conversion of two-dimensional (2D) computer-aided design (CAD) data to three-dimensional building information modeling data for all the components of the aluminum formwork. The results of the automated formwork layout on the target structures using the formwork automation design software confirmed that the wall and deck members were laid out by the set algorithm according to the formwork size and direction. However, because of the limited functionality of the software, the level of completion of the formwork layout was found to be lower than that of the manual formwork layout based on 2D CAD data. The currently developed software is based on a simple algorithm, but has a drawback in that the automated layout is limited to only some of its members. Therefore, additional research should be conducted on the development of advanced software through the diversification of the algorithm, automation of preprocessing of the mesh, and analysis of the relationships of all the members comprising the formwork.
Highlights
Temporary work that includes temporary structures used to support building construction, such as formwork, is one of the crucial cost factors in construction work [1]
We developed formwork automation design software based on the conversion of the randomly arranged vertices among the building information modeling (BIM) data of the target structures to a specific form based on certain rules, followed by the setting of specific rules for the face
We confirmed the results of the automated formwork layout and reviewed the direction of improvement based on the application of the formwork automation design software developed for labor-reduction of temporary work to three target structures
Summary
Temporary work that includes temporary structures used to support building construction, such as formwork, is one of the crucial cost factors in construction work [1]. The way in which temporary structures are planned has a significant influence on the entire project [2,3,4], given that the planning of temporary structures is affected by dynamically changing conditions and characteristics of construction sites Temporary structures such as formwork are installed on construction sites without sufficient planning and analysis that may lead to safety-related accidents [5,6,7,8]. The quantity of formwork has mainly been calculated by manually laying out formwork based on two-dimensional (2D) computer-aided design (CAD) data Given that this method relies heavily on the knowledge and experience of formwork designers, the outcomes can vary depending on their skill levels. If inaccurate 2D CAD data are prepared owing to designer mistakes, defects in the manufacturing of formwork may occur
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