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21	Jämförelse av betongkonstruktioner som dimensionerats under olika svenska byggnormer / Comparison of concrete structures designed according to different Swedish codes Abdulhadi, Ahmed, Brånemo, Oskar January 2023 (has links) In the construction sector today, there is a lot of discussion about material reuse tominimize the negative environmental impact. By reuse of precast concreteelements, significant amounts of CO2 emissions can be prevented. In order toreuse a concrete element for structural purposes in a building, the element need tobe assessed to ensure it can withstand the required loads. This report is based on a comparison of different building codes, it describes andcompares three selected building codes and their associated concrete standardsfrom different eras. The purpose of the report is to compare the results obtainedwhen designing predetermined concrete elements and components. The findingswill indicate whether it is possible to reuse concrete elements that were designedaccording to previous standards. The calculations will demonstrate bothsimilarities and, more importantly, differences in the design approaches of thebuilding codes and how they have evolved. An investigation concludes that by employing a chain of checks, it is possible todetermine if an existing component is reusable considering its load capacity. The differences in reinforcement content vary within approximately 0-25% infavor of the previous code, i.e. the older code requires more reinforcement. Swedish construction codes regulations for concrete structures nybyggnadsregler Eurocode European design standards Swedish National Board of Housing Building and Planning regulations Swedish National Board of Housing Swedish National Board of Housing Building and Planning ordinances concrete construction reinforcement svenska byggnormer bestämmelser för betongkonstruktioner nybyggnadsregler eurocode europeisk konstruktionsstandard boverkets byggregler boverkets konstruktionsregler boverkets författningssamling betong konstruktion armering Engineering and Technology Teknik och teknologier Building Technologies Husbyggnad

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Jämförelse av betongkonstruktioner som dimensionerats under olika svenska byggnormer / Comparison of concrete structures designed according to different Swedish codes