Detachable prestressed carbon fiber anchorage device

Abstract

The invention discloses a detachable prestressed carbon fiber anchorage device. The device comprises an upper anchor cup, a lower anchor cup and a clamping piece arranged between the upper anchor cup and the lower anchor cup, the upper anchor cup and the lower anchor cup are provided with mounting holes which correspond to each other up and down, and the inner walls of the mounting holes are provided with a plurality of scales. The scales are in one-to-one correspondence to the preset tension tonnage of a carbon plate. The upper anchor cup and the lower anchor cup are both of an arch structure, semi-oval cavities are formed in the adjacent faces of the upper anchor cup and the lower anchor cup, an oval opening is formed between the two semi-oval cavities, and the height of the longitudinal tangent plane of the clamping piece is matched with the height of an opening between the upper anchor cup and the lower anchor cup. The detachable prestressed carbon fiber anchorage device is easy to mount and dismount, it can be guaranteed that the carbon fiber plate is evenly stressed, and the anchoring effect of the carbon fiber anchorage device is improved.

Description

technical field [0001] The invention belongs to the technical field of tension anchors, and more specifically relates to a detachable prestressed carbon fiber anchor. Background technique [0002] Carbon fiber board is widely used in the construction of civil engineering, and its material strength is 7-10 times higher than that of ordinary steel. In civil engineering, it is usually pasted on the surface of concrete components to strengthen the strength of the components. Before pasting, it is pre- After tensioning, anchoring to the surface of the component can enhance the bending strength and crack resistance of the component, and can also make full use of its strength. However, although the tensile strength of the carbon fiber plate is high, the transverse shear strength is low, and it is easy to cut when it is anchored. Carbon filaments cause waste of materials and increase costs. The currently used carbon fiber anchors have poor anchoring effects, cumbersome operations, d...

AI Technical Summary

Problems solved by technology

[0002] Carbon fiber board is widely used in the construction of civil engineering, and its material strength is 7-10 times higher than that of ordinary steel. In civil engineering, it is usually pasted on the surface of concrete components to strengthen the strength of the components. Before pasting, it is pre- After tensioning, anchoring to the surface of the component can enhance the bending strength and crack resistance of the component, and can also make full use of its strength. However, although the tensile strength of the carbon fiber plate is high, the transverse shear strength is low, and it is easy to cut when it is anchored. Carbon filaments cause waste of materials and increase costs. The currently used carbon fiber anchors have poor anchoring effects, cumbersome operations, difficult on-site installation, and complicated manufacturing processes. For this reason, we propose a carbon fiber plate anchor for civil engineering. Use to solve the above problems

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