銆€銆€绗崄鍏珷銆€閶肩祼(ji茅)妲�(g貌u)

銆€銆€(涓€)Mu < 1.2Mp浣曟剰?濡備綍瑙ｆ焙?

銆€?銆佷箵?gu墨)鑼冭姹傦細鏍规摎(j霉)銆婂缓绛戞姉闇囪ō(sh猫)瑷�(j矛)瑕�(gu墨)鑼冦€�(浠ヤ笅绨�(ji菐n)绋便€婃姉闇囪(gu墨)鑼冦€�)绗� 8.2.8姊濈殑瑕�(gu墨)瀹氾細閶肩祼(ji茅)妲�(g貌u)妲�(g貌u)浠堕€ｆ帴鎳�(y墨ng)鎸夊湴闇囩祫鍚堝収(n猫i)鍔涢€�(j矛n)琛屽綀鎬цō(sh猫)瑷�(j矛)锛屽苟鎳�(y墨ng)閫�(j矛n)琛屾サ闄愭壙杓夊姏瑷�(j矛)绠�;

銆€銆€姊佽垏鏌遍€ｆ帴褰堟€цō(sh猫)瑷�(j矛)鏅�(sh铆)锛屾涓婁笅缈肩罚鐨勭鎴潰鎳�(y墨ng)婊胯冻閫ｆ帴鐨勫綀鎬цō(sh猫)瑷�(j矛)瑕佹眰锛屾鑵规澘鎳�(y墨ng)瑷�(j矛)鍏ュ壀鍔涘拰褰庣煩銆傛鑸囨煴閫ｆ帴鐨勬サ闄愬彈褰�銆佸彈鍓壙杓夊姏锛屾噳(y墨ng)绗﹀悎涓嬪垪瑕佹眰锛�

銆€銆€Mu 鈮� 1.2Mp---(8.2.8-1)

銆€銆€寮忎腑锛歁u-姊佷笂涓嬬考绶ｅ叏鐔旈€忓潯鍙ｇ剨绺殑妤甸檺鍙楀綆鎵胯級鍔�锛屽叾瑷�(j矛)绠楀叕寮忕偤锛�

銆€銆€Mu =Af(h-tf)fy

銆€銆€MP-姊�(姊佽搏閫氭檪(sh铆)鐐烘煴)鐨勫叏濉戞€у彈褰庢壙杓夊姏锛屽叾瑷�(j矛)绠楀叕寮忕偤锛�

銆€銆€Mp =Wpfy

銆€銆€Wp-妲�(g貌u)浠舵埅闈㈠鎬ф姷鎶楃煩

銆€?銆佷箳銇撹檼?sh铆)渚嬶細鏌愬伐绋嬬偤5灞ら嫾妗嗘灦绲�(ji茅)妲�(g貌u)锛屽湴闇囪ō(sh猫)闃茬儓搴︾偤8搴︼紝鍦伴渿鍔犻€熷害鐐�0.2g锛屽牬(ch菐ng)鍦板湡椤炲垾鐐轰笁椤烇紝瑷�(sh猫)瑷�(j矛)鍦伴渿鐐虹涓€绲�锛屾銆佹煴鍧囬噰鐢ㄧ剨鎺ュ伐瀛楅嫾锛岄嫾铏�(h脿o)鍧囩偤Q345锛岄灞ゅ钩闈㈠湒濡傚湒1鎵€绀猴細(鍦栫暐)

銆€銆€閫氶亷STS杌熶欢瑷�(j矛)绠楀彲鐭�锛屽湒1涓墍绀篏L27鑸囨煴GZ6鐨勭瘈(ji茅)榛�(di菐n)閫ｆ帴瑷�(sh猫)瑷�(j矛)涓嶆豢瓒炽€婃姉闇囪(gu墨)鑼冦€嬬8.2.8姊濈殑瑕�(gu墨)瀹氥€傜敱浜庢湁浜涜ō(sh猫)瑷�(j矛)浜鸿矟灏�(du矛)鍏紡(8.2.8-1)缂轰箯姝ｇ⒑鐨勭悊瑙�锛屽湪铏曠悊姝ゅ晱椤屾檪(sh铆)鐩茬洰鍔犲ぇ閶兼鎴潰锛岃(di脿o)鏁寸祼(ji茅)鏋滃琛�1鎵€绀猴細(琛ㄧ暐)

銆€銆€寰炶〃1鍙互鐪嬪嚭锛屽澶ф鐨勬埅闈㈠昂瀵稿悗锛屼粛涓嶈兘婊胯冻瑕佹眰锛屾(g貌u)浠剁殑妤甸檺鎵胯級鑳藉姏鎻愰珮鐨勯潪甯稿湴鏈夐檺锛屽儏鎻愰珮浜�0.72%锛屼絾鐢ㄩ嫾閲忔瘡寤剁背鍗诲澶т簡 64%锛岄€欓’鐒朵笉鍚堢悊銆傞€氶亷灏�(du矛)銆婃姉闇囪(gu墨)鑼冦€嬩腑Mu鍜�1.2Mp鐨勮▓(j矛)绠楀叕寮忕殑鍒嗘瀽锛屾垜鍊戝緱鐭ワ細

銆€銆€鈶燤(f猫i)u涓昏鑸囨缈肩罚鏉块潰绌嶅拰姊侀珮鏈夐棞(gu膩n)锛岃垏姊佽吂鏉垮帤鐒￠棞(gu膩n);

銆€?銆佽礇p鐨勫ぇ灏忎富瑕佸彈妲�(g貌u)浠舵埅闈㈠鎬ф姷鎶楃煩Mp鐨勬帶鍒讹紝鑰學p鐨勫ぇ灏忓墖鑸囨埅闈㈢殑灏哄鏈夐棞(gu膩n)銆�

銆€銆€鈶㈠澶ф缈肩罚鏉垮昂瀵稿拰姊侀珮闆栫劧鍙互澧炲ぇMu鐨勫€�锛屼絾Wp鐨勫€间篃鏈�(hu矛)鐩告噳(y墨ng)澧炲ぇ锛岄€欎篃鏄偤浠€涔堝琛�1鎵€绀哄澶ф鎴潰灏哄浣嗚▓(j矛)绠楃祼(ji茅)鏋滃嵒娌掓湁鏄庨’鏀瑰杽鐨勪富瑕佸師鍥犮€�

鏇村淇℃伅璜�(q菒ng)?ji膩n)L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�

?2009骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯€冭│鏅�(sh铆)闁擄細9鏈�19銆�20鏃�
?08骞磋€冭│瑕�(gu墨)鑼�銆佹(bi膩o)婧�(zh菙n): 2009骞翠竴绱�(j铆)绲�(ji茅)妲�(g貌u)宸ョ▼甯€冭│缍�(w菐ng)涓婇仩(yu菐n)绋嬭紨灏�(d菐o)鎷涚敓绨�(ji菐n)绔�!
?09骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯€佸斧杓斿皫(d菐o)锛岀従(xi脿n)鍦ㄥ牨(b脿o)鍚嶅彲璐�(z猫ng)07銆�08骞磋绋�锛� 

銆€?銆佸閴€Q鏂规锛� 鏍规摎(j霉)寮�(qi谩ng)閫ｆ帴寮辨(g貌u)浠剁殑瑷�(sh猫)瑷�(j矛)鐗归粸(di菐n)锛岄噰鍙栧涓嬫妧琛�(sh霉)鎺柦锛�

銆€?銆佸儹璇硅嵎鑸蜂贡鐮＇骞栨湁銊愪紵?濡傚湒2鎵€绀�锛屽湒鐣�)銆傞€氶亷鍦ㄦ绔笂涓嬬考绶ｈ檿鍔犳褰㈡澘锛屽澶у叏鐔旈€忓潯鍙ｇ剨绺殑闀�(zh菐ng)搴�锛屽緸鑰屽鍔犱簡鐒婄斧鐨勬サ闄愭姉褰庢壙杓夊姏銆�

銆€銆€浠ユ湰宸ョ▼鐐轰緥锛岃ō(sh猫)妤斿舰鏉挎寫鍑洪暦(zh菐ng)搴︾偤0.08m锛屾牴鎿�(j霉)鍏紡(1)锛�

銆€銆€Mu=0.08脳(0.15+0.016)脳(0.25-0.008)脳4.7脳105=151.05kn-m>1.2Mp=145.73kn-m

銆€銆€婊胯冻瑕�(gu墨)鑼冭姹�

銆€?銆佽鑽疯埛涔辩牠澹栨湁銊愮磰w鏉�(濡傚湒3鎵€绀�锛屽湒鐣�)

銆€銆€閫氶亷鍦ㄦ绔笂涓嬬考绶ｈ檿鍔犳褰㈣搵鏉匡紝澧炲ぇ鍏ㄧ啍閫忓潯鍙ｇ剨绺殑楂樺害锛屽緸鑰屽鍔犱簡鐒婄斧鐨勬サ闄愭姉褰庢壙杓夊姏銆�

銆€銆€浠ユ湰宸ョ▼鐐轰緥锛岃ō(sh猫)妤斿舰钃嬫澘鏉垮帤鐐� 0 008m锛屾牴鎿�(j霉)鍏紡(1)锛�

銆€銆€Mu=(0.008+0.006)脳0.15脳(0.25-0.008)脳4.7脳105=238.85kn-m>1.2Mp=145.73kn-m

銆€銆€婊胯冻瑕�(gu墨)鑼冭姹�

銆€銆€闇€瑕佹寚鍑虹殑鏄�锛屽湪姊佺涓婁笅缈肩罚铏曞姞妤斿舰钃嬫澘鍚�锛屾缈肩罚鍘氳垏妤斿舰钃嬫澘鍘氫箣鍜屾噳(y墨ng)灏忎簬鏌辩考绶ｇ殑鍘氬害锛屽惁鍓囧氨鏈夊彲鑳戒娇姊佺考绶ｇ殑鎶楀綆鎵胯級鍔涘ぇ浜庢煴缈肩罚鐨勬姉褰庢壙杓夊姏锛屽緸鑰屽皣鏌辩考绶ｆ媺澹炪€�

銆€?銆侀厓楗瑺?濡傚湒4鎵€绀�锛屽湒鐣�)

銆€銆€閫氶亷瑷�(sh猫)缃嫍楠ㄥ紡绡€(ji茅)榛�(di菐n)閫ｆ帴鏂瑰紡锛屽墛寮辨鐟炵殑鍏ㄥ鎬у彈褰庢壙杓夊姏浠ラ仈(d谩)鍒版豢瓒宠(gu墨)鑼冪殑瑕佹眰銆�(鐙楅鑰�锛屾(g貌u)浠跺叐绔考绶ｅ姞瀵�)

銆€?銆佸，椴滈媹類燦閫ｆ帴鏂规硶鐨勯仼鐢ㄦ浠躲€�

銆€銆€涓婅堪涓夌ó瑷�(sh猫)瑷�(j矛)鏂规硶涓昏鐢ㄤ簬姊佹煴鍓涙€ч€ｆ帴锛屽皪(du矛)浜庢鏌遍壐鎺ラ€ｆ帴鐨勭瘈(ji茅)榛�(di菐n)锛岀敱浜庡叾閫ｆ帴鏂瑰紡涓嶅爆浜庘€滃挤(qi谩ng)閫ｆ帴寮辨(g貌u)浠垛€濓紝鍥犳涓嶉渶瑕侀€�(j矛n)琛屽湴闇囩祫鍚堜綔鐢ㄤ笅鐨勬サ闄愭姉褰庢壙杓夊姏椹�(y脿n)绠�銆�

銆€銆€(浜�)绡€(ji茅)榛�(di菐n)鍩熶笉婊胯冻瑕佹眰浣曟剰?濡備綍瑙ｆ焙?

銆€?銆佷箵?gu墨)鑼冭姹傦細鏍规摎(j霉)銆婃姉闇囪(gu墨)鑼冦€嬬8.2.5姊濈2娆剧殑瑕�(gu墨)瀹氾細绡€(ji茅)榛�(di菐n)鍩熺殑灞堟湇鎵胯級鍔涙噳(y墨ng)绗﹀悎涓嬪紡瑕佹眰锛�

銆€銆€[唯(Mpb1+Mpb2)/Vp]鈮(4/3)fv]----(8.2.5-2)

銆€銆€宸ュ瓧褰㈡埅闈㈡煴锛歏p=hbhcbtw----(8.2.5-3)

銆€銆€銆婃姉闇囪(gu墨)鑼冦€嬬8.2.5姊濈3娆剧殑瑕�(gu墨)瀹氾細宸ュ瓧褰㈡埅闈㈡煴鍜岀褰㈡埅闈㈡煴鐨勭瘈(ji茅)榛�(di菐n)鍩熸噳(y墨ng)鎸変笅鍒楀叕寮忛(y脿n)绠楋細

銆€銆€tw鈮�(hb+hb)/90-----(8.2.5-5)

銆€銆€[唯(Mb1+Mb2)/Vp]鈮(4/3)fv/纬RE]----(8.2.5-6)

銆€銆€寮忎腑锛孧pb1+Mpb2--鍒嗗垾鐐虹瘈(ji茅)榛�(di菐n)鍩熷叐鍋�(c猫)姊佺殑鍏ㄥ鎬у彈褰庣煩鎵胯級鍔�;

銆€銆€Mb1+Mb2--鍒嗗垾鐐虹瘈(ji茅)榛�(di菐n)鍩熷叐鍋�(c猫)姊佺殑褰庣煩瑷�(sh猫)瑷�(j矛)鍊�;

銆€銆€Vp--绡€(ji茅)榛�(di菐n)鍩熺殑楂旂⿳銆�

銆€銆€閫氶亷閶肩祼(ji茅)妲�(g貌u)鐨勭瘈(ji茅)榛�(di菐n)閫ｆ帴瑷�(j矛)绠楁垜鍊戝緱鐭�锛屽叕寮�(8.2.5-2)鍜�(8.2.5-5)涓嶆豢瓒宠姹傜殑鏈€澶�锛屽叕寮�(8.2.5-6)涓€鑸純瀹规槗婊胯冻瑕佹眰銆備粩绱�(x矛)鍒嗘瀽閫欎笁鍊�(g猫)鍏紡鐨勫叿楂斿惈缇�锛屾垜鍊戜笉闆ｅ緱鍑轰互涓嬬祼(ji茅)璜栵細

銆€?銆佷繜顐�?8.2.5-2)涓昏椹�(y脿n)绠楃殑鏄瘈(ji茅)榛�(di菐n)鍩熺殑灞堟湇鎵胯級鍔�锛屽叾澶у皬鍙垏妲�(g貌u)浠剁殑鎴潰澶у皬绛夋湰韬€ц唱(zh矛)鏈夐棞(gu膩n)锛岃€岃垏澶栧姏鐒￠棞(gu膩n)銆�

銆€?銆佽癄顐�?8.2.5-5)鑸�(8.2.5-2)涓€妯�锛屼篃鏄彧鑸囨(g貌u)浠剁殑鎴潰澶у皬鏈夐棞(gu膩n)鐨勭墿鐞嗛噺锛岃€岃垏澶栧姏鐒￠棞(gu膩n)銆�

銆€?銆侀厓顐�?8.2.5-6)涓昏鏄(y脿n)绠楃瘈(ji茅)榛�(di菐n)鍩熷叐鍋�(c猫)姊佺殑绔綆鐭╀箣鍜屾墍鐢�(ch菐n)鐢熺殑寮�(qi谩ng)搴︽噳(y墨ng)鍔涜婊胯冻瑕�(gu墨)鑼冪殑鍏佽ū闄愬€�銆傚鏋滃収(n猫i)鍔涗笉鏄緢澶�锛屼竴鑸儏娉佷笅閮借兘婊胯冻瑕佹眰銆�

銆€?銆佷箳銇撹檼?sh铆)渚嬶細鍦�1绲�(ji茅)妲�(g貌u)骞抽潰鍦�(鍦栫暐)

銆€銆€宸ュ瓧褰㈡1鍜屾2鏂烽潰灏哄鐐猴細B脳H脳tw脳tf=150脳250脳4.5脳8

銆€銆€宸ュ瓧褰㈡煴1鏂烽潰灏哄鐐�;B脳H脳tw脳tf=175脳350脳6脳81

銆€銆€灏囦笂杩板悇鍙冩暩(sh霉)浠ｅ叆鍏紡(8.2.5-2)涓緱

銆€銆€[唯(Mpb1+Mpb2)/Vp]=362.56>[(4/3)fv]=240

銆€銆€涓嶆豢瓒宠(gu墨)鑼冭姹�

銆€銆€tw=6<(hb+hc)/90=6.3

銆€銆€涔熶笉婊胯冻瑕�(gu墨)鑼冭姹�

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