工字鐵重量計算

2007-07-28 1:08 am
如何計算出工字鐵重量

例如:

450*250*12.5 RHS 長19米=
幾重

回答 (2)

2007-07-28 1:35 am
✔ 最佳答案
工字鐵重量
(450x250)-[(450-12.5)x(250-25)]
=(112,500)-[437.5x225]
=(112,5000-98,437.5)
=14,062.50 sq.mm
=0.0140625 sq.m. x 19m
=0.2671875 cu.m.
Density (re) = 7.6 = 2.030625 ton (1000 kgs)
2007-07-31 9:01 am
大約2公噸重.....(2,000KGs)


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