Nickel-titanium-niobium memory alloy fiber line externally-pasted prefabricated prestressed plate and construction method
A technology of memory alloy and nickel-titanium-niobium, which is applied in the field of prefabricated prestressed plate and construction of nickel-titanium-niobium memory alloy fiber line, which can solve the problem of backward bridge maintenance management decision-making system, aggravated bridge inspection, maintenance and reinforcement, and frequent bridge collapse accidents and other problems to achieve the effect of avoiding maintenance, convenient construction and replacement, and improving the quality of reinforcement
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[0029] Such as figure 1 or image 3 As shown, the present invention is a prefabricated prestressed plate with nickel-titanium-niobium memory alloy fiber line externally attached, which includes a plate body 1 and a nickel-titanium-niobium memory alloy fiber line 2, the plate body 1 is formed by high-strength grouting material, nickel-titanium The niobium memory alloy fiber wire 2 is placed inside the plate body in a meandering shape, and the nickel-titanium niobium memory alloy fiber wire 2 includes a plurality of linear prestressing sections, and an arc is passed between two adjacent prestressing sections. Shaped anchorage sections are connected, and embedded steel sleeves 3 are respectively provided on the inner side of each anchorage section.
[0030] The surface of the nickel-titanium-niobium memory alloy fiber wire 2 has transverse ribs. The rib helps the nickel-titanium-niobium memory alloy fiber wire 2 to be anchored in the high-strength grouting material, and promote...
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