2014骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯竴娆￠亷闂�(gu膩n)|闆跺熀绀�(ch菙)涓€娆￠€氶棞(gu膩n)

鐠�(hu谩n)鐞冪恫(w菐ng)鏍＄祼(ji茅)妲�(g貌u)宸ョ▼甯牷閬�|鎲�2013骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯€冭│鎴愮妇鍠臣瑾蹭韩鍎�(y艒u)鎯�|鎴戣鍫卞悕~~~

鏇村璜嬬湅锛�2014骞翠竴绱氭敞鍐婄祼(ji茅)妲�(g貌u)甯€婂熀绀�(ch菙)鐭ヨ瓨銆嬬反缈�(x铆)鑸囪В鏋愬尟绺�

銆€銆€1.鍦熷堡姊濅欢鍚岄14锛岀瓘鏉垮帤800mm銆傞噰鐢ㄥ楂旀繁鍩虹(ch菙)瑷堢畻妯佸熀鏈€绲傛矇闄嶆檪锛屽亣瀹氬楂旀繁鍩虹(ch菙)鐨勬敮鎵块潰绌嶇偤2000m2銆傝│鍟�锛屾▉搴曞钩闈㈣檿灏嶆噳(y墨ng)浜庤嵎杓夋晥鎳�(y墨ng)婧�(zh菙n)姘镐箙绲勫悎閫茬殑闄勫姞澹撳姏(kPa)锛屾噳(y墨ng)鑸囦笅鍒椾綍闋呮暩(sh霉)鍊兼渶鐐烘帴杩�?

銆€銆€鎻愮ず锛氶噰鐢ㄥ楂旀繁鍩虹(ch菙)瑷堢畻妯佸熀绀�(ch菙)娌夐檷鏅�锛屽湪瀵﹂珨鍩虹(ch菙)鐨勬敮浜嗙爞闈㈢⿳鑼冨湇鍏�(n猫i)锛岀瓘鏉裤€佹▉銆佸湡鐨勬贩鍚堥噸搴�(鎴栫ū骞冲潎閲嶅害)锛屽彲杩戝亣鍙�20kN/m3銆�

銆€銆€(A)460 (B)520 (C)580 (D)700

銆€銆€p=28.8*51.2*600/2000+36.8*(20-18)=516 閬窧

銆€銆€2.鍋囧妯佺鎸佸姏灞ゅ湡灞ゅ帤搴1=30鍚�锛屽湪妯佸簳骞抽潰瀵﹂珨娣卞熀绀�(ch菙)鐨勬敮鎵块潰绌嶅収(n猫i)锛屽皪鎳�(y墨ng)浜庤嵎杓夋晥鎳�(y墨ng)鍐锋案涔呯祫鍚堟檪鐨勯檮鍔犲鍔涚偤750kPa;涓斿湪瑷堢畻璁婂舰閲忔檪锛屽彇蠄s=0.2銆傚張宸茬煡锛岀煩褰㈤潰绌嶅湡灞や笂鍧囧竷鑽疯級浣滅敤涓嬬殑瑙掗粸鐨勫钩鍧囬檮鍔犳噳(y墨ng)鍔涚郴鏁�(sh霉)锛屼緷娆″垎鍒ョ偤锛氬湪鎸佸姏灞ら爞闈㈣檿a0=0.25;鍦ㄦ寔鍔涘堡搴曢潰铏�锛宎1=0.237銆傝│鍟�锛屽湪閫氶亷妯佺瓘鍩虹(ch菙)骞抽潰涓績榛炶睅绶氫笂锛岃┎鎸佸姏灞ゅ湡灞ょ殑鏈€绲傝畩褰㈤噺(mm)锛屾噳(y墨ng)鑸囦笅鍒椾綍闋呮暩(sh霉)鍊兼渶鐐烘帴杩�?

銆€銆€(A)93 (B)114 (C)126 (D)184

銆€銆€3.瑭﹀晱锛屼笅鍒椾竴浜涗富寮典腑浣曢爡涓嶇鍚堢従(xi脿n)琛屽湅瀹惰(gu墨)鑼�锛岃(gu墨)绋嬬殑鏈夐棞(gu膩n)瑕�(gu墨)瀹氭垨鍔涘(xu茅)瑷堢畻鍘熺悊?

銆€銆€(A) 甯惰綁(zhu菐n)鎻涘堡鐨勯珮灞ゅ缓绛戦嫾绛嬫贩鍑濆湡绲�(ji茅)妲�(g貌u)锛�8搴︽姉闇囪ō(sh猫)瑷堟檪锛屽叾杞�(zhu菐n)鎻涙(g貌u)浠跺皻鎳�(y墨ng)鑰冩叜璞庡悜鍦伴渿鐨勫奖闊�

銆€銆€(B) 閶肩瓔娣峰嚌鍦熼珮灞ゅ缓绛戠祼(ji茅)妲�(g貌u)锛屽湪姘村钩鍔涗綔鐢ㄤ笅锛屽彧瑕佺祼(ji茅)妲�(g貌u)鐨勫綀鎬х瓑鏁堝伌(c猫)鍚戝墰搴﹀拰閲嶅姏鑽疯級涔嬮枔鐨勯棞(gu膩n)绯绘豢瓒充竴瀹氱殑闄愬埗锛屽彲涓嶈€冩叜閲嶅姏浜岄殠鏁堟噳(y墨ng)鐨勪笉鍒╁奖闊�

銆€銆€(C) 楂樺堡寤虹瓚绲�(ji茅)妲�(g貌u)姘村钩鍔涙槸瑷�(sh猫)瑷堢殑涓昏鍥犵礌銆傞毃钁楅珮搴︾殑澧炲姞锛屼竴鑸彲瑾�(r猫n)鐐鸿桓鍔涜垏楂樺害鎴愭姣�;姘村钩鍔涚敘(ch菐n)鐢熺殑褰庣煩鑸囬珮搴︾殑浜屾鏂规垚姝ｆ瘮;姘村钩鍔涚敘(ch菐n)鐢熺殑鍋�(c猫)鍚戦爞榛炰綅绉昏垏楂樺害涓夋鏂规垚姝ｆ瘮

銆€銆€(D) 寤虹瓚绲�(ji茅)妲�(g貌u)鎶楅渿瑷�(sh猫)瑷堬紝涓嶅疁灏囨煇涓€閮ㄥ垎妲�(g貌u)浠惰秴寮�锛屽惁鍓囧彲鑳介€犳垚绲�(ji茅)妲�(g貌u)鐨勭浉灏嶈杽寮遍儴浣嶃€�

銆€銆€閬窩

銆€銆€4.鏌愭鏋朵竴鍓姏澧荤祼(ji茅)妲�(g貌u)锛屾姉闇囩瓑绱氱偤涓€绱�锛岀鍥涘堡鍓姏澧诲⒒鍘�250mm锛岃┎妯撻潰铏曞⒒鍏�(n猫i)瑷�(sh猫)缃殫姊�(鑸囧壀鍔涘⒒閲嶅悎鐨勬鏋舵)锛屽壀鍔涘⒒(鍖呮嫭鏆楁)閲囩敤C35绱氭贩鍑濆湡(ft=1.57N/mm2)锛屼富绛嬮噰鐢℉RB335(fy=300N/mm2)銆傝│鍟�锛屾殫姊佹埅闈笂銆佷笅鐨勭副鍚戦嫾绛嬶紝閲囩敤涓嬪垪浣曠祫閰嶇疆鏅�锛屾墠鏈€鎺ヨ繎涓斿張婊胯冻瑕�(gu墨)绋嬩腑鐨勬渶浣庢(g貌u)閫犺姹�?

銆€銆€(A) 涓�銆佷笅鍧囬厤2 25

銆€銆€(B)涓�銆佷笅鍧囬厤2 22

銆€銆€(C)涓�銆佷笅鍧囬厤2 20

銆€銆€(D)涓�銆佷笅鍧囬厤2 18

銆€銆€涓€绱氭鏋�250x500 80*1.57/300=0.418>0.4 Aa=250x500*0.418/100=522.5 閬窩

銆€銆€5.鎶楅渿绛夌礆鐐轰簩绱氱殑妗嗘灦绲�(ji茅)妲�(g貌u)锛屽叾绡€(ji茅)榛炴牳蹇冨崁(q奴)鐨勫昂瀵稿強閰嶇瓔濡傚湒20鎵€绀�锛屾贩鍑濆湡寮峰害绛夌礆鐐篊40(fc=19.1N/mm2)锛屼富绛嬪強绠嶇瓔鍒嗗垾閲囩敤HRB335(f纬=300N/mm2)鍜孒PB235(fyv=210N/mm2)锛岀副绛嬩繚璀峰堡鍘�30mm銆傚凡鐭ユ煴鐨勫壀璺ㄦ瘮澶т簬2銆傝│鍟忥紝绡€(ji茅)榛炴牳蹇冨崁(q奴)绠嶇瓔鐨勪綅缃�锛屽涓嬪垪浣曢爡鎵€绀烘檪锛屾墠鏈€鎺ヨ繎涓斿張婊胯冻瑕�(gu墨)绋嬩腑鐨勬渶浣庢(g貌u)閫犺姹�?

銆€銆€(A)蠁10@150 (B) 蠁10@100 (C)蠁8@100 (D)蠁8@75

銆€銆€p1=0.1*19.1/210=0.009095 蠁8@75=50.24*8/590/75=0.009083 閬窪

銆€銆€椤�21-22锛氭煇甯惰綁(zhu菐n)鎻涘堡鐨勬鏋朵竴鏍稿績绨＄祼(ji茅)妲�(g貌u)锛屾姉闇囩瓑绱氱偤涓€绱�;鍏跺眬閮ㄥ妗嗘灦鏌变笉钀藉湴锛岄噰鐢ㄨ綁(zhu菐n)鎻涙鎵樻煴鐨勬柟寮忎娇涓嬪堡鏌辫窛璁婂ぇ锛屽鍦�21-22(Z)鎵€绀�銆傛銆佹煴娣峰嚌鍦熷挤搴︾瓑绱氶噰鐢–40(ft=1.71N/mm2)锛岄嫾绛嬮噰鐢℉RB335(fyv=300N/mm2)銆�