Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Lifetime Reliability Analysis of Flexural Cracking for Existing Prestressed Concrete Bridge under Corrosion Attack
This paper presents the lifetime performance reliability of existing prestressed concrete bridges under corrosion attacks. The authors focus on prestressed concrete bridges subject to continuous deterioration of structural performances and reduction of structural reliability during their service life due to aggressive environmentsThe time-dependent reliability of flexural cracking of prestressed concrete beams under service limit state are concerned, corrosion attacks such as: sulfate attack, alkali-silica reaction,freeze-thaw attack, and chloride-induced reinforcement corrosion are discussed. The three kinds of typical corrosion models for the reinforced concrete beams are established. The limit state equation is derived by strictly adhering to the effect of an action and resistance formulas and requirements set forth in Chinese highway bride design specification. Through integrating first order reliability methods and the time discretized approach, the time-variant reliability of existing prestressed concrete brides are calculated, for illustrative purpose, the reliability of a typical post-tensioned simply supported prestressed beam that are widely used in Chinese highways are investigated.
Lifetime Reliability Analysis of Flexural Cracking for Existing Prestressed Concrete Bridge under Corrosion Attack
This paper presents the lifetime performance reliability of existing prestressed concrete bridges under corrosion attacks. The authors focus on prestressed concrete bridges subject to continuous deterioration of structural performances and reduction of structural reliability during their service life due to aggressive environmentsThe time-dependent reliability of flexural cracking of prestressed concrete beams under service limit state are concerned, corrosion attacks such as: sulfate attack, alkali-silica reaction,freeze-thaw attack, and chloride-induced reinforcement corrosion are discussed. The three kinds of typical corrosion models for the reinforced concrete beams are established. The limit state equation is derived by strictly adhering to the effect of an action and resistance formulas and requirements set forth in Chinese highway bride design specification. Through integrating first order reliability methods and the time discretized approach, the time-variant reliability of existing prestressed concrete brides are calculated, for illustrative purpose, the reliability of a typical post-tensioned simply supported prestressed beam that are widely used in Chinese highways are investigated.
Lifetime Reliability Analysis of Flexural Cracking for Existing Prestressed Concrete Bridge under Corrosion Attack
Bin, Du (Autor:in) / Zhao, Ren-da (Autor:in) / Xiang, Tian-yu (Autor:in)
Tenth International Conference of Chinese Transportation Professionals (ICCTP) ; 2010 ; Beijing, China
ICCTP 2010 ; 3810-3818
22.07.2010
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
| British Library Conference Proceedings | 2010
Lifetime Performance Analysis of Existing Prestressed Concrete Bridge Superstructures
| Online Contents | 2004
Lifetime Performance Analysis of Existing Prestressed Concrete Bridge Superstructures
| British Library Online Contents | 2004