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常用截面的几何及力学特征截面形状面积A惯性矩I回转半径AI/形心到边缘的距离e抗弯截面系数eIW/bh3121bhhh289.0121h21261bh)(hHb)(12133hHbhHhH33121H21HhHb)(61332h4121hhh289.0121h21361h2h4121hhh289.0121h223122h22hH)(12144hH33289.0hHH21HhH446122hH)(12144hH33289.0hHH22HhH44122bh213361bhhh236.0181he311he32121121bhW22241bhWy12)(bah)(36)4(223bababah24)(322bababah)(3)2(1babahey)2(12)4(223bababah2598.2b41635bb245b23385b2598.2b41635bb245b31635b24dπ464dπd41d21332dπ)(422dDπ)(6444dDπ2241dDD21DdD4432π422daπ)163(12144daπ)π4(48π3162244dadaa21)163(6144daaπabπ43baIzπ43abIxπ2az2bybezaey42baWzπ42abWyπ)(11baabπ)(41313babaIzπ)(43113baabIyπAIzzAIyybezaeyababaWz13134πabaabWy31134πbhBH1233bhBHIzAIzz2HeyHbhBHWz633bhBH1233bhBHIzAIzz2HeyHbhBHWz633)(2hebBHy)(3133231bhaeBeIyyxAIzz)(2221bdaHbdaHey12yyeHe11yzzeIW22yzzeIW
本文标题:常用截面的几何及力学特征
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