By
Susan Bergsten
Luleå University of Technology
Division of Structural Engineering
Steel Structures
Luleå, April 2005
Abstract
Extending buildings vertically is fraught with technical and managerial problems. Inevitably, many of these types of buildings will be located in areas with access restrictions and other physical constraints on the movement of materials, components, operatives and equipment. Industrialised construction methods and prefabrication could be a practical alternative to traditional construction methods for vertical extension projects. Industrialised construction methods are not much used in refurbishment projects and in this research project a case study with five vertical extensions projects is made. In this case study the extent of usage of prefabrication in these projects is studied. How these vertical extension projects have been conducted as regards to material handling and logistics planning are also studied.
Furthermore, the potential for utilising light-gauge steel framed system and its industrialised construction methods in Sweden is evaluated. This has been done by studying two projects, in which industrialised construction methods have been used. The use of light-gauge steel framed systems represents a practical and cost-effective solution to the problems created by these buildings. However, material handling and other logistical problems mean that the construction process is less than certain. A part of the study aims to understand the benefits from 4D CAD.
This research has three main areas, industrialised building methods with light-gauge steel framing system, vertical extension of existing buildings and 4D CAD. The results will include experiences from the studied cases and a comparison of the benefits over more traditional means for design and construction management when erecting vertical extensions to existing buildings.
Source: http://epubl.luth.se/1402-1757/2005/23/LTU-LIC-0523-SE.pdf
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