نتایج جستجو برای: post tensioning
تعداد نتایج: 404824 فیلتر نتایج به سال:
The long-term goal of this research is to identify the dominant mechanisms that control the dynamic tension in submerged cables. This goal addresses the need to suppress or alleviate the dynamic component of cable tension that may adversely affect the performance of underwater cables and any mission they are used to support. For instance, large dynamic tension forces may degrade the positioning...
Pre-stressed steel-concrete composite beams are widely used in bridges around the world. Loads during service life of may cause failure form fracture studs near ends bridge girders. The effect stud on residual static capacity and fatigue girders is not well investigated. Therefore, this study presents numerical investigations into effects progressive shear connectors performance remaining post-...
To fully recognize the load-resisting mechanisms of post-tensioned concrete (PC) structures with realistic boundary conditions against disproportionate collapse, four beam-column subassemblies were extracted from a prototype building and side columns joints reproduced to reflect actual condition. The parametric analysis was conducted, including location removed column (middle or penultimate) st...
Post-tensioning structures with metallic ducts risk corrosion, rupture or collapses due to chloride ingress. The use of tight corrugated polymer combined electrically isolated anchorages (EIT) changed the situation. Laboratory and many field applications proved tightness duct, showing resistance values higher much than 50 kΩm, acceptance criteria for a duct. most important fact is that EIT tend...
PURPOSE To understand the mechanical properties of the brachioradialis (BR) muscle and to use this information to simulate a BR-to-flexor pollicis longus (FPL) tendon transfer for restoration of lateral pinch. METHODS The BR mechanical properties were measured intraoperatively. Passive elastic properties were measured by elongating BR muscles at constant velocity while they were attached dire...
the aim of this study was to evaluate the long-term outcome of treatment using kirschner wires and tensioning bands for tarsocrural luxation with malleolus fractures resulting from trauma in dogs. eight dogs with tarsocrural luxation due to malleolus fracture were selected. following intrathecal anesthesia, the malleolus bone was returned to its normal position using two kirschner wires and ten...
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