Semi-grouting sleeve assembly of precast beam steel connection of cast-in-place beam column joints and application thereof
A technology of semi-grouting sleeves and cast-in-place beams and columns, which is applied in the direction of building components, building reinforcements, structural elements, etc., can solve the problems of cost increase, tensile strength reduction, application process impact, etc., to ensure the connection Quality and safety, avoidance of length dimensions, effect of guaranteed thread quality
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[0036] The present invention will be further described below in conjunction with the drawings and specific implementations of the specification.
[0037] Such as figure 1 As shown, the semi-grouting sleeve assembly for connecting the horizontal and longitudinal steel bars of the prefabricated beams of prefabricated building cast-in-place beam-column nodes includes a semi-grouting sleeve 2 and an integrated nut bolt 1 for connecting with the semi-grouting sleeve; The grouting sleeve 2 includes a straight metal cylinder 21. One end of the cylinder 21 is a threaded end 22 with internal threads, and the other end is a grouting end 23. The outer end of the grouting end 23 is open for inserting the right prefabricated The composite beam horizontal longitudinal reinforcement 4; the integrated nut and bolt 1 includes a body 11 and internal threads 12 and external threads 13 provided on the body, the internal threads 12 are used for the horizontal longitudinal reinforcement of the left pr...
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