娉ㄥ唺绲�(ji茅)妲�(g貌u)宸ョ▼甯熀绀�(ch菙)绉戠洰鑰冭│绛旂枒绮鹃伕(1)
鐎忚
鏀惰棌
銆€銆€渚嬶細鏌愬眿鏋堕嫾鏉愮偤Q345,涓婂鸡妗胯▓绠楅暦搴ox=1508mm, loy=4524mm,涓婂鸡妗挎埅闈�2∠140 X 90 X 10(鐭偄鐩稿苟), A = 4460mm2, Ix = 292×104mm4, Iy = 2063X104mm4,[λ]=150,鍓囦笂寮︽】鎵胯級鍔涜ō(sh猫)瑷堝€肩偤( ) kN銆�
銆€銆€A. 1246 B. 1054 C. 879 D. 739
銆€銆€瑙�: λx = = 58. 9 < [λ] = 150
銆€銆€λy= =66. 5 < [λ] = 150
銆€銆€瑙掗嫾鐭偂鐩稿苟,鎸夈€婇嫾绲�(ji茅)妲�(g貌u)瑷�(sh猫)瑷堣(gu墨)鑼冦€�5. 1. 2姊�
銆€銆€bl/t = 140/10 = 14 < 0. 56l0y/bl= 0.56 X 4524/140 = 18.096
銆€銆€鏁�λyz =66.5 =80.57,鏌ラ檮琛–-2锛� =0.685
銆€銆€鎵€浠= Af = 0. 685×4460×345 = 1045. 0kN
銆€銆€鏁呮噳(y墨ng)閬窧闋�銆�
銆€銆€姝ら锛屾煡闄勮〃C-2绌�(w臎n)瀹氭€х郴鏁�(sh霉)鏅�锛屾噳(y墨ng)鐐�0.65, 涓擭= Af涓璮鎳�(y墨ng)鐐烘姉澹撳挤搴﹁ō(sh猫)瑷堝€硷紝鏉垮帤鐐�<16mm锛宖鎸夈€婇嫾瑕�(gu墨)銆嬫噳(y墨ng)鐐�310,閭ｄ箞N= Af=0.65x4460x310=899KN,鐒＄瓟妗堛€�
銆€銆€鍥炵瓟锛氭寜80.57鏌ワ紝绌�(w臎n)瀹氭€х郴鏁�(sh霉)鐐�0.685锛屾矑鏈夊晱椤�锛屽彲鍐嶇湅鐪媍-2琛紝鏄笉鏄湅閷浜�
2010骞存敞鍐婄祼(ji茅)妲�(g貌u)宸ョ▼甯€冭│鍫卞悕鏅傞枔淇℃伅鍖附
绲�(ji茅)妲�(g貌u)宸ョ▼甯熀绀�(ch菙)绉戠洰(涓€)鑰冭│鏅€氬寲瀛�(xu茅)绶寸繏椤屽尟绺�
2010骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯紨灏�(d菐o)鎷涚敓绨＄珷 銆€
鏇村淇℃伅璜嬭í鍟�锛�绲�(ji茅)妲�(g貌u)宸ョ▼甯牷閬� 绲�(ji茅)妲�(g貌u)宸ョ▼甯珫澹�銆€
鏈€鏂拌硣瑷�
- 2025骞存敞鍐婄祼(ji茅)妲�(g貌u)宸ョ▼甯竴骞村灏戦將2024-12-19
- 2025骞翠竴绱氱祼(ji茅)妲�(g貌u)宸ョ▼甯灏戦將涓€骞�2024-12-19
- 2025骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯槸鍋氫粈涔堢殑2024-12-18
- 2025骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯殑宸ヤ綔鏂瑰悜2024-11-26
- 2025骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯兘鍋氫粈涔堝伐浣�2024-11-26
- 2025骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯殑宸ヤ綔鍏�(n猫i)瀹�2024-11-18
- 2025骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯伐浣滃収(n猫i)瀹�2024-11-18
- 2024骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯€插ぎ浼佹敞鍐�锛屾渶楂樺彲鐛插緱2钀厓涓€娆℃€х崕鍕�2024-09-30
- 澶氶噸瑁滆布锛氭煇澶紒鐨勭祼(ji茅)妲�(g貌u)宸ョ▼甯敞鍐婅璨煎叕甯�2024-09-25
- 涓€绱氱祼(ji茅)妲�(g貌u)宸ョ▼甯惈閲戦噺鏈夊楂�2024-07-25
鎵撳崱浜烘暩(sh霉)
京公网安备 11010802033350号
