A Simulation Model for Logical and Operative Clash Detection (original) (raw)
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Based BIM techniques to clash detection for construction projects
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Building Information Modeling (BIM) has brought about a qualitative change in the design and management of construction projects because it represents a digital simulation of the physical characteristics of the building, and this increases its efficiency before the actual construction begins. In Iraq, most construction projects still use CAD two-dimensional drawing for the purpose of the implementation process, especially government projects, and this causes many problems due to the difficulty of communication between the various disciplines involved in the design and misunderstanding during implementation. This type of problem is reduced by combining BIM drawings prepared by designers and making them into a single model. In this process of merging conflicts are found using BIM tools such as Autodesk Navisworks. There are three main types of detection. This article includes how a clash detector can help improve clashes in the design phase before starting to construct a specific building using BIM applications and focuses on hard detection type (overlap of a particular element with the others). The methodology involved in this research is to study an educational building (24-classroom model school) consisting of structural and architectural BIM models only, clash detection analysis is done using Autodesk Revit and Autodesk Navisworks Manage software.
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Designers and builders can simulate a physical environment using BIM, a type of digital technology, before starting actual construction. When developing and building things, various disciplines must work closely together. Each discipline is responsible for providing a unique contribution to the overall design. The objects from other disciplines may, however, occupy the same position in space or the same orientation when the incomplete designs are merged known as 'clash'. A collision of this nature is frequently discovered during construction, necessitating a significant amount of extra time and price. To avoid clashes in the final design, early collaboration is essential. BIM automation techniques can do this and perhaps reduce clashes by coordination of 3D Models. A case study that comprised clash detection between architectural, structural, and MEP BIM models was used to conduct the inquiry. The current study used Autodesk Navisworks Manage and Autodesk Revit as BIM tools to design capabilities to streamline and automatically discover clashes. The analysis of the case study data showed that BIM is a useful tool for identifying conflicts between building components. And an investigative study was done to know the reason why these clashes are created during modeling based on the questioners answered by BIM Modelers. The findings emphasize the need for greater transparency in partnerships where designers from varied backgrounds can work on projects simultaneously. This open and inclusive approach may have an impact on how architects, engineers, and construction professionals are trained in the future.
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Public Works Department of Malaysia (PWDM) is one of the main governments’ technical agency in Malaysia. PWDM has supervised numerous government projects but still faces problems such as delays and variations due to conflicts during construction. The main study is to investigate the effectiveness of applying Building Information Modeling (BIM) in managing conflicts during construction. The results of the analysis were established from surveys of questionnaires, interviews and lastly from PWDM’s own database. The analysis was based on mixed method which combines the qualitative and quantitative analysis approach and finally comparing it with literatures that discusses conventional projects and projects using BIM. This study which focuses on the conflicts during construction, finds that conflicts are attributed to the lack of communication and coordination which eventually contributes to the project delay. This study was conducted in order to find the root cause of the problem and pro...