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Towards Hazards Detection on Building Sites Using Safety Interaction Matrices (SIM)

Kreger, Michael and Rüppel, Uwe
Koji, Yabuki Nobuyoshi Makanae (ed.) (2016):
Towards Hazards Detection on Building Sites Using Safety Interaction Matrices (SIM).
In: Proceedings of the 16th International Conference on Computing in Civil and Building Engineering, In: International Conference on Computing in Civil and Building Engineering (ICCCBE), Osaka, Japan, 06.-08. Juli 2016, [Conference or Workshop Item]

Abstract

Working on building sites are one of the most dangerous working areas. Many construction workers have an accident in the exercise of their job. To increase safety of working processes, some systems were developed in the past, but these systems are often autonomous and special constructed for some accident types. An approach to improve worker’s safety on building site is currently being developed in the research project "integrated Safety-Awareness-Model" (iSAM), which is funded by the German Research Foundation (DFG). The aim of the research is a basic description and modeling of hazardous working processes. By using various (existing) sensors, which are connected in an intelligent network, a rapid alert system shall be developed. This paper presents a method to extract safety relevant information from general used planning and execution models. On the one side, a Building Information Model (BIM) was used to get data about spatial context and topology; on the other side, a recent process model provides workflow information. As part of iSAM, an approach for modeling hazards has already been implemented as an ontology. The relationships in this multi model environment seemed to be appropriate to define safety interactions. Towards defining interaction relations, the described models were homogenized using semantic technologies. For this purpose, existing mapping methods were used and adapted. The second issue in this paper is the mathematical definition of the interaction relations. An additional benefit is to calculate probabilities of occurrence of hazardous situations respectively the risk for an accident at a particular time (plan state). With this intention Safety Interaction Matrices (SIM) were developed. The matrices were the result of the implementation of interaction relations as a probabilistic directed acyclic graphical model, a Bayesian network.

Item Type: Conference or Workshop Item
Erschienen: 2016
Editors: Koji, Yabuki Nobuyoshi Makanae
Creators: Kreger, Michael and Rüppel, Uwe
Title: Towards Hazards Detection on Building Sites Using Safety Interaction Matrices (SIM)
Language: English
Abstract:

Working on building sites are one of the most dangerous working areas. Many construction workers have an accident in the exercise of their job. To increase safety of working processes, some systems were developed in the past, but these systems are often autonomous and special constructed for some accident types. An approach to improve worker’s safety on building site is currently being developed in the research project "integrated Safety-Awareness-Model" (iSAM), which is funded by the German Research Foundation (DFG). The aim of the research is a basic description and modeling of hazardous working processes. By using various (existing) sensors, which are connected in an intelligent network, a rapid alert system shall be developed. This paper presents a method to extract safety relevant information from general used planning and execution models. On the one side, a Building Information Model (BIM) was used to get data about spatial context and topology; on the other side, a recent process model provides workflow information. As part of iSAM, an approach for modeling hazards has already been implemented as an ontology. The relationships in this multi model environment seemed to be appropriate to define safety interactions. Towards defining interaction relations, the described models were homogenized using semantic technologies. For this purpose, existing mapping methods were used and adapted. The second issue in this paper is the mathematical definition of the interaction relations. An additional benefit is to calculate probabilities of occurrence of hazardous situations respectively the risk for an accident at a particular time (plan state). With this intention Safety Interaction Matrices (SIM) were developed. The matrices were the result of the implementation of interaction relations as a probabilistic directed acyclic graphical model, a Bayesian network.

Title of Book: Proceedings of the 16th International Conference on Computing in Civil and Building Engineering
Uncontrolled Keywords: Bayesian network, Construction worker’s safety, hazard modeling, model mapping, ontology
Divisions: 13 Department of Civil and Environmental Engineering Sciences > Institute of Numerical Methods and Informatics in Civil Engineering
13 Department of Civil and Environmental Engineering Sciences
Event Title: International Conference on Computing in Civil and Building Engineering (ICCCBE)
Event Location: Osaka, Japan
Event Dates: 06.-08. Juli 2016
Date Deposited: 23 Nov 2016 15:00
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