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渚濇摎(j霉)闆绘睜绲勪欢寤犲鐨勬妧琛�(sh霉)鍙冩暩(sh霉)璩囨枡锛屽お闄借兘闆绘睜绲勪欢鍙互鎵垮彈鐨勮繋棰�(f膿ng)澹撳挤(qi谩ng)鐐�2700Pa銆傝嫢鎶楅ⅷ(f膿ng)绯绘暩(sh霉)閬稿畾鐐�27m/s锛堢浉鐣�(d膩ng)浜庡崄绱氳嚭棰�(f膿ng)锛�锛屾牴鎿�(j霉)闈炵矘鎬ф祦楂斿姏瀛�(xu茅)锛岄浕姹犵祫浠舵壙鍙楃殑棰�(f膿ng)澹撳彧鏈�365Pa銆傛墍浠ワ紝绲勪欢鏈韩鏄畬鍏ㄥ彲浠ユ壙鍙�27m/s鐨勯ⅷ(f膿ng)閫熻€屼笉鑷充簬鎼嶅鐨�銆傛墍浠ワ紝瑷�(sh猫)瑷堜腑闂�(gu膩n)閸佃鑰冩叜鐨勬槸闆绘睜绲勪欢鏀灦鑸囩噲妗跨殑閫ｆ帴銆�
鍦ㄦ湰濂楄矾鐕堢郴绲�(t菕ng)鐨勮ō(sh猫)瑷堜腑闆绘睜绲勪欢鏀灦鑸囩噲妗跨殑閫ｆ帴瑷�(sh猫)瑷堜娇鐢ㄨ灪鏍撴】鍥哄畾閫ｆ帴銆�
璺噲鐕堟】鐨勬姉棰�(f膿ng)瑷�(sh猫)瑷�澶櫧鑳借矾鐕�
璺噲鐨勫弮鏁�(sh霉)濡備笅锛�
闆绘睜鏉垮偩瑙扐 = 35掳 鐕堟】楂樺害 = 5m
瑷�(sh猫)瑷堥伕鍙栫噲妗垮簳閮ㄧ剨绺搴ξ� = 4mm 鐕堟】搴曢儴澶栧緫 = 168mm
鐒婄斧鎵€鍦ㄩ潰鍗崇噲妗跨牬澹為潰銆傜噲妗跨牬澹為潰鎶垫姉鐭￤ 鐨勮▓绠楅粸(di菐n)P鍒扮噲妗垮彈鍒扮殑闆绘睜鏉夸綔鐢ㄨ嵎杓塅浣滅敤绶氱殑璺濋洟鐐�
PQ = [5000+锛�168+6锛�/tan16掳]脳 Sin16掳 = 1545mm=1.545m銆傛墍浠ワ紝棰�(f膿ng)鑽疯級鍦ㄧ噲妗跨牬澹為潰涓婄殑浣滅敤鐭㎝ = F脳1.545銆�
鏍规摎(j霉)27m/s鐨勮ō(sh猫)瑷堝厑瑷遍ⅷ(f膿ng)閫�锛�2脳30W鐨勯洐鐕堥牠澶櫧鑳借矾鐕堥浕姹犳澘鐨勫熀鏈嵎杓夌偤730N?锛熺搐]1.3鐨勫畨鍏ㄧ郴鏁�(sh霉)锛孎(xi脿n) = 1.3脳730 = 949N銆�
鎵€浠�锛孧 = F脳1.545 = 949脳1.545 = 1466N.m銆�
鏍规摎(j霉)鏁�(sh霉)瀛�(xu茅)鎺ㄥ皫(d菐o)锛屽湏鐠�(hu谩n)褰㈢牬澹為潰鐨勬姷鎶楃煩W = 蟺脳锛�3r2未+3r未2+未3锛夈€�
涓婂紡涓�锛宺鏄湏鐠�(hu谩n)鍏�(n猫i)寰�锛屛存槸鍦撶挵(hu谩n)瀵害銆�
鐮村闈㈡姷鎶楃煩W = 蟺脳锛�3r2未+3r未2+未3锛�
=蟺脳锛�3脳842脳4+3脳84脳42+43锛�= 88768mm3
=88.768脳10锛�6 m3
棰�(f膿ng)鑽疯級鍦ㄧ牬澹為潰涓婁綔鐢ㄧ煩寮曡捣鐨勬噳(y墨ng)鍔� = M/W
= 1466/锛�88.768脳10锛�6锛� =16.5脳106pa =16.5 Mpa<<215Mpa
鍏朵腑锛�215 Mpa鏄�Q235閶�鐨勬姉褰庡挤(qi谩ng)搴︺€�
鎵€浠�锛岃ō(sh猫)瑷堥伕鍙栫殑鐒婄斧瀵害婊胯冻瑕佹眰锛屽彧瑕佺剨鎺ヨ唱(zh矛)閲忚兘淇濊瓑锛岀噲妗跨殑鎶楅ⅷ(f膿ng)鏄矑鏈夊晱椤岀殑銆�
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