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Återbruk av byggmaterial

Att använda återbruksmaterial är ett naturligt inslag i ett resurssnålt samhälle. I denna rapport diskuteras möjligheterna att välja återbrukade byggmaterial utifrån ekologiska, estetiska och ekonomiska aspekter. Till grund för studien ligger ett bostadsprojekt på Kvarteret Gränden i Värpinge i Lund. I projektet finns inslag av återbrukade material i form av fasadtegel, taktegel och fönster.

Void growth in cyclic loaded porous plastic solid

In low-cycle fatigue, where plastic strains are of great importance, final ductile fracture depends upon the mechanisms of void growth and coalescence of voids. A cell model is used to simulate a periodic array of initial spherical voids and this model is subjected to different loads that include cyclic loading. Three different types of matrix material are simulated: elastic-perfectly plastic, iso

Fracture epidemiology in male elite football players from 2001 to 2013: 'How long will this fracture keep me out?'

BACKGROUND: Determining fracture risk and rehabilitation periods after specific fractures in professional football is essential for team planning.AIM: To identify fracture epidemiology and absences after different types of fractures in male professional football players.METHODS: 2439 players from 41 professional male teams in 10 countries were followed prospectively from 2001 to 2013. Team medical

The importance of the owner-relationship and the business-relationship for the outcome of the corporatization of public services

Corporatization of public services is a phenomenon that has emerged in the wake of New Public Management. The aims with corporatization on behalf of the local government tend to be to increase efficiency, budget control and managerial responsibility. This study shows that in order to achieve these goals it is not enough to focus on the corporation and the operations. Equally important is it to foc

Jitterbug and TrueTime: Analysis Tools for Real-Time Control Systems

The paper presents two recently developed, Matlab-based analysis tools for realtime control systems. The first tool, called Jitterbug, is used to compute a performance criterion for a control loop under various timing conditions. The tool makes it easy to quickly judge how sensitive a controller is to implementation effects such as slow sampling, delays, jitter, etc. The second tool, called TrueTi