Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Rehabilitation and Strengthening of Concrete Structures Using Carbon Fiber Reinforced Polymer
This paper gives the presentation of the author's experience with the use of carbon fiber reinforced polymer (CFRP) to rehabilitate and strengthen existing and new concrete structures. The various methods of strengthening of structures are first described. These include the external post-tensioning using high tensile bars or strands, the reinforced concrete jacketing, and the reconstruction of structural members. The paper describes the advantages of CFRP in its high tensile strength of 100 ksi minimum, its constructability, and its environmental friendliness. The process does not require demolition or closure of bridges or buildings that are being strengthened, as compared to some other methods. With good products and skills, the procedure of strengthening using CFRP wrap is simple and quick. The author presents his experience in evaluating and selecting an appropriate method for several cases under different conditions. These are the strengthening of existing reinforced concrete circular columns in existing bridges overseas and in the US, the strengthening of rectangular concrete columns in new building, and of new post-tensioned concrete beams, both by concrete jacketing and CFRP wrapping. Suggested procedure for application of CFRP is given, and final precautionary notes are given in the conclusion.
Rehabilitation and Strengthening of Concrete Structures Using Carbon Fiber Reinforced Polymer
This paper gives the presentation of the author's experience with the use of carbon fiber reinforced polymer (CFRP) to rehabilitate and strengthen existing and new concrete structures. The various methods of strengthening of structures are first described. These include the external post-tensioning using high tensile bars or strands, the reinforced concrete jacketing, and the reconstruction of structural members. The paper describes the advantages of CFRP in its high tensile strength of 100 ksi minimum, its constructability, and its environmental friendliness. The process does not require demolition or closure of bridges or buildings that are being strengthened, as compared to some other methods. With good products and skills, the procedure of strengthening using CFRP wrap is simple and quick. The author presents his experience in evaluating and selecting an appropriate method for several cases under different conditions. These are the strengthening of existing reinforced concrete circular columns in existing bridges overseas and in the US, the strengthening of rectangular concrete columns in new building, and of new post-tensioned concrete beams, both by concrete jacketing and CFRP wrapping. Suggested procedure for application of CFRP is given, and final precautionary notes are given in the conclusion.
Rehabilitation and Strengthening of Concrete Structures Using Carbon Fiber Reinforced Polymer
Seniwongse, Muang-sangop (Autor:in)
Architectural Engineering Conference (AEI) 2008 ; 2008 ; Denver, Colorado, United States
AEI 2008 ; 1-10
18.09.2008
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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