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Anonymous users2024-01-24Professionally qualified companies carry out repairs, and after repair, they must be assessed to meet safety standards. Find some professional design agencies and ask around.
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Anonymous users2024-01-23Find the original design institute and spend some money.
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Anonymous users2024-01-22It costs a lot of money, and special materials are used for the repair of frame beams, as well as design fees. I can't get it.
The round steel must be bent and anchored, and the thread is rigid as long as the anchorage length is guaranteed.
According to the load-bearing load, generally according to the structure of the reinforcement is: under 10 25, on 3 18, load-bearing width 90 cm, the beam body weight is large enough, plus such a large span, the beam is high.
The grade, diameter and spacing of the reinforcement that need to be configured are determined by the calculation results of the design and in accordance with the specifications, and are not followed. >>>More
If you need to add beams, because there are 33 square living rooms without beams, it will be unsafe because of the weight, so you need to add beams.
Interior problems do not belong to the property management, if the replacement is required to pay a fee