End unbonded reinforced concrete beam with non-equal strengths
A reinforced concrete beam, non-bonding technology, applied in the field of strength reinforced concrete beams and reinforced concrete beams, can solve problems such as large residual deformation of longitudinal bars, improve ductility and energy dissipation capacity, reduce residual deformation, and have good integrity. Effect
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[0036] 1. Cut the bellows and fill the foam plug.
[0037] The maximum diameter of the longitudinal reinforcement used is d 0 , choose a diameter of 1.5d 0 The bellows, the bellows according to the effective height h of the beam section 0 Make a cut. Make a diameter of 1.5d 0 Cylindrical foam plug with a height of 1 / 10h 0 , A round hole with a diameter smaller than that of the longitudinal rib is cut out in the center of the foam plug. Secure the foam plugs to both ends of the bellows with 914 adhesive.
[0038] 2. Fix the bellows filled at both ends to the ends of the longitudinal ribs.
[0039] The longitudinal reinforcement passes through the foam plug hole on the corrugated pipe, and the thin steel wire penetrates the corrugated pipe and fixes it with the steel bar.
[0040] 3. Binding of steel cage
[0041] The binding of the reinforcement cage must be carried out in strict accordance with the relevant specifications and drawings.
[0042] 4. Beam formwork and co...
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