All that stuff about the rebar connection
The joint shall be set at the place with small stress as far as possible, and the key parts with large stress of the structure shall be avoided. Avoid the beam end and column end stirrup encryption range during seismic design. If it is necessary to connect in this area, mechanical connection or welding shall be adopted.
Principle of steel bar connection
1, the joint should be set as far as possible in the smaller force, should avoid the structure of the larger force of the key parts. Avoid the beam end and column end stirrup encryption range during seismic design. If it is necessary to connect in this area, mechanical connection or welding shall be adopted.
2, in the same span or in the same height of the same force reinforcement should be less than the connection joint, should not be set up 2 or more than 2 joints.
3, the joint position should be staggered, in the connection range, the joint reinforcement area percentage should be limited to a certain range.
4. Necessary structural measures shall be taken in the reinforcement connection area, and transverse structural reinforcement or stirrup shall be configured within the overlapping length of longitudinal stressed reinforcement.
5. The longitudinal stress reinforcement of axial tension and small eccentric tension rod parts (such as truss and arch tension rod) shall not adopt binding lap joints.
6. When the diameter d of tensile steel bar is more than 25mm and the diameter d of compression steel bar is more than 28mm, it is not suitable to use binding lap joints, and mechanical connection or welding should be adopted.
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