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ÆäÖУº ¦Õ -- ÖáÐÄÊÜѹÁ¢¸ËµÄÎȶ¨ÏµÊý£» Óɳ¤Ï¸±È l0/i = 1250/15.9µÄ½á¹û²é±íµÃµ½ ¦Õ=0.728£¬l0ΪÄÚÅżܾàÀëǽµÄ³¤¶È£» A = 4.57 cm2£»[f]=205 N/mm2£» Á¬Ç½¼þÖáÏò³ÐÔØÁ¦Éè¼ÆÖµÎª Nf = 0.728¡Á4.57¡Á10-4¡Á205¡Á103 = 68.203 kN£» Nl = 14.463 kN < Nf = 68.203 kN£¬Á¬Ç½¼þµÄÉè¼Æ¼ÆËãÂú×ãÒªÇó£¡

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Tmax = 18.874 kN£»

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