銆婂伐绋嬪姏瀛︺�嬪钩鏃朵綔涓?/p>
璁＄畻棰橈紙姣忛
25
鍒嗭紝鍏?/p>
100
鍒嗭級
1
锛夐敾閿ゅご瀵瑰伐浠舵墦鍑诲姏
P=1000kN
锛?/p>
鍋忓績璺?/p>
e=20mm
锛岄敜澶撮珮搴?/p>
h=200mm
锛岃瘯姹傞敜澶?/p>
鏂藉姞浜庝袱渚у杞ㄧ殑鍘嬪姏涓哄澶с�?/p>
瑙ｏ細
鍙栭敜澶翠负鐮旂┒瀵硅薄锛岀敾鍙楀姏鍥?/p>
鏍规嵁閿ゅご鍙楀姏鐗瑰緛锛氶敾鍑诲姏
F
涓庨敾浠跺弽浣滅敤鍔涘ぇ灏忕浉绛夈�佹柟鍚戝悜鐩稿弽
F
麓
鏋?/p>
鎴愪竴涓姏鍋讹紝
姘村钩鍙楀姏浠呮湁涓や釜绾︽潫鍔?/p>
N1
鍜?/p>
N2
锛?/p>
鍥犺�屽杞ㄥ閿婚敜鐨勭害鏉熷姏
N1
鍜?/p>
N2
涔?/p>
蹇呮瀯鎴愪竴鍔涘伓涓庝箣骞宠 銆?/p>
鏍规嵁骞抽潰鍔涘伓绯诲钩琛″厖瑕佹潯浠跺緱
鈭?/p>
m=0
锛?/p>
P
脳
e
锛?/p>
N1
脳
h =0
鈭?/p>
N1 = N2 = P
脳
e
梅
h = 1000
脳
20
梅
200= 100(kN)
2
锛?/p>
鐢ㄩ噸鍔涗负
G=4kN
鐨勬墥鏉?/p>
AB
璧峰悐閲嶇墿
W=10kN
锛?/p>
鏉嗙殑
A
鐐瑰彲瑙嗕负閾伴摼锛?/p>
鍦?/p>
B
鐐圭郴
N1
N2