A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
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Ultra high performance concrete (UHPC) components are often precast. The advantage of this is that the elements can be produced under readily controlled conditions. In many structures, UHPC is part of a hybrid system. What this means is that shear forces, possibly in combination with normal forces, have to be transferred via large surface areas in direct contact. In offshore structures, forces are transferred to the foundations via tubular steel segments; UHPC presents interesting options here. This chapter deals with joints such as dry joints, glued joints, wet joints and grouted joints, and connections. Glued connections are an accepted jointing method for structures made up of prefabricated segments. The basic idea of upgrading conventional reinforced concrete components involves adding a 25–80mm thick UHPC layer to the surface of the existing reinforced concrete. The addition of a heavily reinforced UHPC layer results in components with a much higher ultimate resistance.
Connections
Ultra high performance concrete (UHPC) components are often precast. The advantage of this is that the elements can be produced under readily controlled conditions. In many structures, UHPC is part of a hybrid system. What this means is that shear forces, possibly in combination with normal forces, have to be transferred via large surface areas in direct contact. In offshore structures, forces are transferred to the foundations via tubular steel segments; UHPC presents interesting options here. This chapter deals with joints such as dry joints, glued joints, wet joints and grouted joints, and connections. Glued connections are an accepted jointing method for structures made up of prefabricated segments. The basic idea of upgrading conventional reinforced concrete components involves adding a 25–80mm thick UHPC layer to the surface of the existing reinforced concrete. The addition of a heavily reinforced UHPC layer results in components with a much higher ultimate resistance.
Connections
Fehling, Ekkehard (editor) / Schmidt, Michael (editor) / Walraven, Joost (editor) / Leutbecher, Torsten (editor) / Fröhlich, Susanne (editor)
Ultra‐High Performance Concrete UHPC ; 105-116
2014-09-08
12 pages
Article/Chapter (Book)
Electronic Resource
English
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