Prefabricated Elements Case Study
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Novel Radon Sub-Slab Suctioning System
A new principle for radon protection is currently presented which makes use of a system of horizontal pressurised air ducts located within the lower part of the rigid insulation layer of the ground-floor slab. The function of this system is based on the principles of pressure reduction within the zone below the ground-floor construction. For this purpose a new system of prefabricated lightweigh...
متن کاملPrefabricated auricular cartilage radial forearm free flap reconstruction for cricoid chondrosarcoma.
This case describes a subtotal cricoid cartilage defect reconstructed with a prefabricated composite free flap. A 61-year-old man with a chondrosarcoma of the cricoid cartilage required a subtotal cricoidectomy. The resulting defect was successfully reconstructed with a two-stage prefabricated radial forearm free flap utilizing auricular cartilage. Our case further adds to the evidence that pre...
متن کاملEffect of the ferrule on fracture resistance of teeth restored with prefabricated posts and composite cores.
BACKGROUND The ferrule effect in root treated teeth requiring cast posts and cores has been shown to greatly improve fracture resistance. Studies have also shown that in the case of a cast post and core, the longer the ferrule, the greater the fracture resistance. However few studies have considered the effect of different ferrule designs on prefabricated post and composite core systems. AIM ...
متن کاملCritical Points of Prefabricated Reinforced Concrete Wall Systems of Multi-storey Buildings
With respect to the dissipation of energy through plastic deformation of joints of prefabricated wall units, the paper points out the principal importance of efficient reinforcement of the prefabricated system at its joints. The method, quality and amount of reinforcement are essential for reaching the necessary degree of joint ductility. The paper presents partial results of experimental resea...
متن کاملContoured, prefabricated foot orthoses demonstrate comparable mechanical properties to contoured, customised foot orthoses: a plantar pressure study
BACKGROUND Foot orthoses have been demonstrated to be effective in the management of a range of conditions, but there is debate as to the benefits of customised foot orthoses over less expensive, prefabricated devices. METHODS In a randomised, cross-over trial, 15 flat-footed participants aged between 18 and 45 years were provided with semi-rigid, customised orthoses and semi-rigid, contoured...
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