Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Sensor based CFRP - Monitoring and strengthening of concrete members
The load bearing behaviour of CFRP (Carbon Fibre Reinforced Polymer) is significantly influenced by the properties of the matrix, the fiber and the interface between both. During the last ten years an increasing amount of CFRP applications to rehabilitate damaged concrete elements was observed. Thereby some important disadvantages of the brittle materials must be considered, for example the low ductility of the bond between CFRP and concrete and brittle failure of FRP. With embedded sensor systems it is possible to measure crack propagation and strains. In this paper a sensor based CFRP system will be presented, that can be used for strengthening and measuring. On the basis of four point bending tests on beams (dimensions of 700x150x150 mm) the potential of the system is introduced. Primarily a comparison of two different measurement methods (Strain Gauge and Fiber Bragg) is shown.
Sensor based CFRP - Monitoring and strengthening of concrete members
The load bearing behaviour of CFRP (Carbon Fibre Reinforced Polymer) is significantly influenced by the properties of the matrix, the fiber and the interface between both. During the last ten years an increasing amount of CFRP applications to rehabilitate damaged concrete elements was observed. Thereby some important disadvantages of the brittle materials must be considered, for example the low ductility of the bond between CFRP and concrete and brittle failure of FRP. With embedded sensor systems it is possible to measure crack propagation and strains. In this paper a sensor based CFRP system will be presented, that can be used for strengthening and measuring. On the basis of four point bending tests on beams (dimensions of 700x150x150 mm) the potential of the system is introduced. Primarily a comparison of two different measurement methods (Strain Gauge and Fiber Bragg) is shown.
Sensor based CFRP - Monitoring and strengthening of concrete members
Sensorbasierter kohlenstofffaserverstärkter Kunststoff - Überwachung und Erhöhung der Festigkeit von Stahlbetonbauteilen
Holschemacher, K. (Autor:in) / Kaeseberg, S. (Autor:in) / Mueller, T. (Autor:in) / Kieslich, H. (Autor:in) / Klug, Y. (Autor:in) / Thiele, E. (Autor:in)
2010
7 Seiten, 8 Bilder, 2 Tabellen, 6 Quellen
Aufsatz (Konferenz)
Englisch
Kohlenstofffaserverstärkung , kohlenstofffaserverstärkter Kunststoff , Streckbarkeit , Sensortechnik , Rissausbreitung , Biegebeanspruchung , Biegefestigkeit , Dehnungsmessgerät , Beton , Altbausanierung , Armierung , mechanische Verstärkung , faserverstärkter Kunststoff , optisches Messverfahren , Bragg-Gitter , Dehnungssensor , Dehnung , Festigkeitserhöhung , Stahlbeton , Spannbeton
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Effects of NSM CFRP Bars in Shear Strengthening of Concrete Members
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