UTFACKNINGSVÄGGAR : En jämförelse mellan platsbyggda och prefabriceradebyggmetoder

Detta är en Uppsats för yrkesexamina på grundnivå från Uppsala universitet/Byggteknik; Uppsala universitet/Byggteknik

Sammanfattning:

In conjunction with today’s increasing competition within the construction sector, more pressure is being placed on building contractors. Efficiency and improvements are necessary but without impairment to an ergonomic and safe construction site. This in is in order to reduce the construction costs and time but to retain the ability to deliver a high-quality contract.

Various methods and prefabrication degrees are used, depending on the project's requirements and conditions. This analysis sets out to investigate and exhibit what qualifications are important when choosing a construction method for curtain walls.

Advantages and disadvantages with each method have been analyzed and recommendations have been given to show when different methods are best suited. This diploma work is limited to the study of site-built, semi-prefabricated and fully-prefabricated curtain walls. The study was conducted in collaboration with Peab Bostad AB Uppsala, Sweden, who utilizes the studied methods within their company.

Relevant information was obtained throughout a comprehensive study of literature, on-site examinations and interviews with people working with the different methods of constructing curtain walls.

The study shows that half-prefabricated curtain walls are the best method in today´s current circumstances. This method makes the building phase shorter, reduces stress- and strain-related injuries compared to on-site built methods and allows estimators to make a more accurate project budget.

On-site built curtain walls are to be used in renovation and restoration projects or if special conditions occur, for example to keep company labors busy during a low conjunction. The method is slower and makes staffing charts irregular.

The use of fully prefabricated curtain wall is fast, but it is also the method containing the greatest risks, mainly problems with moisture. The method will become more common in the future as safer designs and more precise handling will be possible.

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