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
Кружка "Айфон". Материал - керамика.
Рисунок нанесён до покрытия стеклоглазурью.
Размеры упаковки: 10.5х10.5х10 см.
Размеры372 рубРаздел: Кружки
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.
|Альбом (на нем. яз. ) - 460 с. The History of Mens Magazines: Vol. 1: From 1900 to Post-WW II: Dian Hansons: Taschen Hanson D. |
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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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A few technologies are presented in this monograph, which improve the quality of MIC polysilicon film and hence the performance of TFTs built on. Amelioration of MIC processes has been made to produce high performance polysilicon TFTs using solution based MIC (SMIC) and defined-grain MIC (DG-MIC) methods.
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The book analyzes how peace transitions and development processes in post-conflict El Salvador have re-allocated power to new configurations of social, political, and economic actors, supported through diverse linkages to global institutions and structures of capital.
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Bernardes has gone so far as to observe that the Modernist view that family and intergenerational relation(ship)s are dominated by one socially ‘normative’ model (i. e. , the enduring nuclear family) is an ‘oppressive practice. ’ I propose a construct of intergenerational relation(ship)s that goes beyond the Modernist paradigm asserted by the ‘solidarity perspective’ and that comprehends the Postmodern conceptualization of the “contemporary family as filled with doubt, ambivalence, and insecurity” (Stacey, 1991, p. 17). Modernist notions of the primacy and unity of the nuclear family and of the inviolate nature of intergenerational relation(ship)s perpetuated by such influential researchers and social-gerontological theorists as Bengtson and colleagues, I suggest, no longer sufficiently comprehend the lived experience of contemporary kin relation(ship)s.
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In this section films and literature that deal with these questions of Germany’s past are examined.
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The findings were promising and suggested that Red Sand is likely to be effective in place of fine aggregates and can be used in concrete with no major differences when compared to normal concrete.
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While several studies have been conducted by researchers on the factors that lead people to adopt new innovations, few have actually explored the consequences of the innovations or post-adoption usage behaviour.
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The study itself is dedicated to South African post-Apartheid women' s poetry. While working with the primary texts, the poems themselves, the focus is on the different aspects of identity which portray the major topics of South African poetry at present. The second and main part of the study looks at the most prominent recurring themes of contemporary South African women' s poetry: • ethnic identity, identity within individual groups of society and the depiction of the relations between the ethnic groups, is treated in Chapter VI, • gender identity, a discussion of gender problems and womanhood and motherhood, treated in Chapter VII and • professional identity, being an artist, a woman poet, treated in Chapter VIII.
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Due to these combinations loading, pipelines may experience localized deformation, known as local buckling, pushing the material? s response well into its plasticity range.
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