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当过兵,搞过“三支两军”,参加全国第三次人口普查,自学建筑、制冷、设计、预算。忧国忧民,人生无所求,毛泽东时代忧毛泽东思想难实现,改革开放忧邓小平理论不落实。

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C型钢基本尺寸与主要参数——国标

2011-02-10 12:53:00| 分类：杂谈 | 标签： |举报 |字号大中小订阅

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C型钢基本尺寸与主要参数国标

名称	尺寸				惯性矩cm⁴		l回转半矩		截面模数cm⁴
h×b×c×t	h	b	c	t	lx	ly	rx	ry	wx	wy
80×40×15×2.5	80	40	15	2.5	41.39	9.326	3.117	1.479	10.35	6.432
100×50×20×2.5	100	50	20	2.5	84.93	19.89	3.925	1.899	16.99	10.73
120×50×20×2.5	120	50	20	2.5	130.7	21.26	4.633	1.880	21.78	12.44
140×50×20×2.5	140	50	20	2.5	188.5	22.42	5.380	1.885	26.93	74.12
140×60×20×2	140	60	20	2	219.848	25.733	5.345	1.828	31.406	7.532
150×50×20×2	150

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