20
2023
-
10
Rebar binding joints
The distance between the end of the lap length and the bending point of the steel bar shall not be less than 10 times the diameter of the steel bar. The joint should not be located at the maximum bending moment of the component.
1) The distance between the end of the lap length and the bending point of the steel bar shall not be less than 10 times the diameter of the steel bar. The joint should not be located at the maximum bending moment of the component.
2) In the tension area, the ends of the binding joints of grade I steel bars should be hooked, while the ends of grade II steel bars do not need to be hooked.
3) The overlap of steel bars should be tied firmly with iron wire at the center and both ends.
4) The overlap length of the tensile steel bar binding joints should comply with the structural design requirements.
5) The thickness of the concrete protective layer of the stressed steel bars should comply with the structural design requirements.
6) Before tying the plate bars, the wires must be stretched according to the spacing required in the design drawing, and tied according to the wires to control the quality.
7) In order to ensure the correct position of the steel bars, according to the design requirements, the plate bars are supported by steel horse stools with a length and width of @600.
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