Ultra-high-performance concrete reinforced concrete column with fiber reinforced polymers wound around steel pipe
A technology of concrete reinforcement and reinforced concrete columns, which is applied in the direction of columns, pier columns, pillars, etc., can solve the problems that the confinement effect of steel sleeves is not as good as that of steel pipe confinement ultra-high performance concrete, the concrete strength is not high, and the structural integrity is not strong, etc., to achieve Improved corrosion resistance, high strength, and enhanced seismic performance
Inactive Publication Date: 2014-08-27
BEIJING UNIV OF TECH
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The invention provides an ultra-high-performance concrete reinforced concrete column with fiber reinforced polymers wound around a steel pipe, and relates to the technical field of novel combination column reinforced existing structures. FRP cloth is wound around the steel pipe and used for wrapping around and reinforcing existing reinforced concrete columns. A combination column comprises planting ribs, the steel pipe, ultra-high-performance concrete, the FRP cloth and an original reinforced concrete column. Compared with the method for expanding the section of traditional reinforced concrete, high-strength steel pipe concrete (steel pipe self-compaction concrete and steel pipe common fiber concrete) and an angle steel reinforced column, the component can effectively improve carrying capacity, deformability, seismic-resistance and antiseptic durability. Besides, the ultra-high-performance concrete reinforced concrete column is especially suitable for reinforcing high-rise and ultra-high-rise underlying columns, large-span bridge pier columns, structural engineering in a bad environment and industrial factory buildings in a corrosion environment.
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Property | Measurement | Unit |
Diameter | 800.0 | mm |
Diameter | 600.0 | mm |
Diameter | 900.0 | mm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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