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1.杌稿績鍙楁媺妲�(g貌u)浠�

妲�(g貌u)浠舵墍鍙楃殑鍔�锛屼娇妲�(g貌u)浠舵┇鏂烽潰鍍呯敘(ch菐n)鐢熷潎鍕绘媺鎳�(y墨ng)鍔涙檪(sh铆)鍗崇偤杌稿績鍙楁媺妲�(g貌u)浠�銆傚父鐢ㄤ簬妗佹灦鐨勪笅寮︽】鍙婂彈鎷夋枩鑵规】銆�

σ1=F/bh

姝ゆ(g貌u)浠剁殑鎵胯級鑳藉姏鐐�σ1≤[σ]

寮忎腑 [σ]——鏉愭枡鐨勫厑瑷辨噳(y墨ng)鍔�

閫欑ó妲�(g貌u)浠舵渶鑳藉厖鍒嗙櫦(f膩)鎻潗鏂欑殑寮�(qi谩ng)搴�

2.杌稿績鍙楀妲�(g貌u)浠�

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鍏舵埅闈㈡噳(y墨ng)鍔涚偤锛�σ1=F/bh

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σ2=F/Ψbh≤[σ] (6-3)

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