Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Methods for Detecting Defects in Composite Rehabilitated Concrete Structures
Fiber reinforced polymer (FRP) composites are increasingly being used to rehabilitate under-strength or deteriorating concrete structural elements and to prolong useful service-life of bridge structures. The rehabilitation is conducted through the external bonding of FRP strips onto the concrete substrate using either the wet layup process or the adhesive bonding of prefabricated strips. While the method has been shown to be extremely effective, there is a need for the development of expertise relating to identification of defects during inspection. This report addresses four specific aspects of defect identification: (1) identification of the types of defects in composite-strengthened concrete structural elements; (2) determination of the potential effect of selected defects on the performance and integrity of the structural system; (3) identification of state-of-the-art quality assurance and non-destructive evaluation (NDE) technologies that can be used for detecting defects; and (4) preliminary investigation of selected technologies that have a high likelihood of being successfully used for purposes of quality assurance.
Methods for Detecting Defects in Composite Rehabilitated Concrete Structures
Fiber reinforced polymer (FRP) composites are increasingly being used to rehabilitate under-strength or deteriorating concrete structural elements and to prolong useful service-life of bridge structures. The rehabilitation is conducted through the external bonding of FRP strips onto the concrete substrate using either the wet layup process or the adhesive bonding of prefabricated strips. While the method has been shown to be extremely effective, there is a need for the development of expertise relating to identification of defects during inspection. This report addresses four specific aspects of defect identification: (1) identification of the types of defects in composite-strengthened concrete structural elements; (2) determination of the potential effect of selected defects on the performance and integrity of the structural system; (3) identification of state-of-the-art quality assurance and non-destructive evaluation (NDE) technologies that can be used for detecting defects; and (4) preliminary investigation of selected technologies that have a high likelihood of being successfully used for purposes of quality assurance.
Methods for Detecting Defects in Composite Rehabilitated Concrete Structures
V. M. Karbhari (Autor:in) / H. Kaiser (Autor:in) / R. Navada (Autor:in) / K. Ghosh (Autor:in) / L. Lee (Autor:in)
2005
800 pages
Report
Keine Angabe
Englisch
Construction Equipment, Materials, & Supplies , Concrete structures , Fiber reinforced composites , Defects , Detection , Transportation industry , Identification , Performance evaluation , Structural forms , Damage , Strains , Loads(Forces) , Dynamic tests , Nondestructive evaluation , Tests , Acoustic testing , Impact tests , Composite materials , Defect analysis , Visual inspection , Ultrasonics , Radiography , Eddy currents , Criticality(General) , Thermography
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