H=94m at the 30th floor of the high-rise: 65-75kg/㎡ reinforcement; Concrete 0.42-0.47m ³/ ㎡。 6. The accurate calculation formula of angle steel, I-beam and channel steel is very complicated, and
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H=94m at the 30th floor of the high-rise: 65-75kg/㎡ reinforcement; Concrete 0.42-0.47m ³/ ㎡。 6. The accurate calculation formula of angle steel, I-beam and channel steel is very complicated, and