Abstract-During the eighties, the construction industry in Japan was in trouble. The image was bad, too many fatal accidents happened on the construction sites and craftsmen preferred to work in other industries. In addition, the space for constructing high-rise buildings was minimal, especially in the big cities. This is why in the nineties, the leading Japanese construction firms started to develop and use mechanised and even automated construction systems for high-rise buildings. In the Netherlands, only one experiment (Delftse Poort) with a comparable construction system is known to exist. Dutch contracting company Ballast Nedam has built a residential building called Westpoint, which is 111 meters high. It was built in a traditional way. This was a chance to erect this building using particular a construction system, but in the preparation phase, the process designers had too little insight into the costs, production time and risks, so they decided to build it in a traditional way. Now the building is ready, a simulation has been made of the production process involving the use of an automated construction system. This paper provides the results of this study.
Robots are only incidentally used to assemble wall panels in high-rise buildings, even though robotic technology is available for various applications. These applications can improve construction site safety and increase the productivity of the assembly process. A research project initiated at Eindhoven University of Technology (TU/e) in the Netherlands aims to develop an integral design for a curtain wall. The curtain wall's assembly, disassembly and user functions are integrated into a single concept. The focus lies on the assembly/disassembly process and the use of new robotic technology. This paper presents the further results of a concept design based on the requirements found in an earlier survey of currently available strategies for the assembly of curtain wall systems. The purpose of this research project is to explore the limits of currently available robotic technology in designing a curtain wall for its entire life cycle by integrally designing a feasible concept.
During the last ten years Removable Modular Building Systems in the Netherlands have made remarkable progress by using mechanization and automation. These are not the only techniques, as logistic techniques, design according to a modular system and standardization of joints, are also used. An interesting question is what designers of permanent buildings and building processes can learn from these techniques. To get insight into the manufacturing of Removable Modular Buildings this system has been described. The problems related to the production of permanent buildings are mentioned too. The answer to the question: "What can we learn about mechanization and automation by the production of Removable Modular Buildings for the construction of permanent buildings?", is: -Reducing the construction processes on the site to simple transport and assembly processes allows mechanization and robotization to become less complex. -It is possibly to develop components with standard joints (design by construction). -All information about the product and its production process can be stored in one data-base.
In the decades to come, building production will concentrate in the metropolitan centres of the world due to the migration of the world's population to the major cities. An improvement of the construction process in densely populated inner cities will be the task of the future. This focuses on performance management, construction engineering and construction management. New developments being discussed in this field are new design strategies, human machine technologies, employee safety, progress monitoring, distributed production information and Personal Digital Assistants (PDAs).
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