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coffered ceiling

coffered ceiling

coffered ceiling

(OP)
Hello to all.
Right now I am working on a construction that has coffered ceiling made of reinforced concrete with ribs 25x60 cm. The biggest problem I am dealing with is placing reinforcement bars on the supporting beams 25x70 cm. Depending on a position some beams have two lines of 4 reinforcement bars fi 25 mm, either on top or bottom of the beam, with one line of 4 bars fi 25 mm on the opposite side, placed in beam stirrups, dimensions 21x56 cm. Beams are placed on wall also made of reinforced concrete, width 25 cm. Distance between two opposite external sides of wall is 10,95 m. Length of each reinforcement bar in the ribs (those in bottom and those in the top) is cca 10,91 m, with anchoring hooks 50 cm. Reinforcement bars in ribs are placed in next order: on the top of the ribs one line of 2 bars fi 22 mm, and in bottom, two lines with 2 bars fi 22 mm in each. All reinforcement is already made.
My first question is:
Does all hooks from the ribs (those on top and those in bottom) need to be anchored in their full length as I previously said?
If anyone has any idea how to solve this problem please send a note I would be very thankful.

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