Unbonded prestress and steel-concrete composite reinforcement design method for concrete T-shaped beams
A design method and concrete structure technology, applied in bridge reinforcement, bridge construction, bridge, etc., can solve problems such as high investment cost, difficult maintenance, and reduction of resonance effect between prestressed tendons and structures
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[0092] Such as figure 1 The shown design method of unbonded prestress and steel-concrete combination reinforcement of a concrete T-beam includes the following steps:
[0093] Step 1. Determine the combined reinforcement structure: Determine the unbonded prestress and steel plate-concrete combined reinforcement structure of the reinforced T-beam 3; the reinforced T-beam 3 is a reinforced concrete beam;
[0094] Such as figure 2 As shown, the unbonded prestressed and steel-steel-concrete combined reinforcement structure includes a bottom steel plate 1 arranged below the area to be reinforced of the reinforced T-beam 3, and two steel plates respectively arranged on the left and right sides of the area to be reinforced. The longitudinal side steel plate 2 and the two end-blocking steel plates respectively arranged at the front and rear ends of the area to be reinforced, the bottom steel plate 1 and the two longitudinal side steel plates 2 are arranged in the longitudinal bridge direc...
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