However, design codes have been slow to adopt provisions for the design of partially prestressed concrete because of concerns over fatigue and corrosion. The results of this study will be helpful to structural engineers designing new partially post-tensioned concrete structures or evaluating existing post-tensioned concrete structures that have suffered deterioration and/or damage. This objective was investigated through an experimental program, which included both individual strand testing and full- scale, post-tensioned beam specimens. The strand testing phase consisted of corroding samples to different amounts of section loss, and then testing them under cyclic loading until failure. The beam testing phase included 12 full-scale, post-tensioned beam specimens combining long-term static exposure testing with fatigue testing. Partially prestressed concrete offers several advantages over fully prestressed designs. The overall objective of this study was to determine the viability of partially post-tensioned concrete members in an aggressive environment, including the impact of cyclic loading.
The Viability of Partially Post-Tensioned Concrete. Durability, Corrosion, and Fatigue in Aggressive Environments
|Формат:|| Страниц 188|
Книга по Требованию
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The Value Based Leadership Theory
Value orie ed mo iva io is s ro ger, more pervasive, a d more e durable ha pragma ic orie ed mo iva io . he heories of he ew paradigm are ow i egra ed a d formalized as he Value Based heory of Leadership. Hopefully, his heory a d he suppor i g research will s imula e fur her leadership research a d fur her developme of leadership a d orga iza io al behavior heory.
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Однако он также был выдающимся мыслителем и публицистом, который поднимал в своих произведениях и статьях важнейшие проблемы русского национального сознания, не потерявшие своей актуальности и в наши дни. Весь мир знает Ф. М. Достоевского (1821-1881) как великого романиста и классика русской литературы, создавшего такие бессмертные произведения, как «Братья Карамазовы», «Идиот», «Преступление и наказание», «Бесы».
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