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If a hole is punched in a beam and the steel bar is broken, it needs to be reinforced.
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Let's do structural reinforcement, such as cladding steel or sticking steel are reinforcement methods.
(1) The "High Regulations" stipulate that the short limb shear wall refers to the shear wall with a cross-sectional thickness of no more than 300mm and the maximum value of the ratio of the cross-sectional height of each limb to the thickness is greater than 4 but not more than 8. >>>More
The holes are small and have little effect on the structure. >>>More
In this case, if the owner asks for it, it must be the responsibility of the owner, and if the decorator does it without the consent of the owner, it must be the responsibility of the person who installed the air conditioner.
Generally, the upper part has 3 20 steel bars, and the lower 2 12 or 14 steel bars are about the same.
Ratio of external overhang to pressed wall:
If the beam is located on the roof, then: 1:2 >>>More