2021骞翠竴绱氱祼(ji茅)妲�(g貌u)宸ョ▼甯€冭│宸茬稉(j墨ng)绲�(ji茅)鏉燂紝鑰冪敓鍊戝氨鏄瓑寰呮垚绺炬煡瑭㈡檪(sh铆)闁撲簡锛�2021骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯垚绺炬煡瑭㈡檪(sh铆)闁撳湪浠€涔堟檪(sh铆)鍊�锛�鑰冪敓鍊戝彲浠ラ€氶亷浠ヤ笅2021骞翠竴绱氱祼(ji茅)妲�(g貌u)宸ョ▼甯皥妤�(y猫)鑰冭│锛堜笂鍗堬級鐪熼绛旀锛�1-19椤岋級锛屾牳灏嶇瓟妗堥爯(y霉)浼颁竴涓嬭嚜宸辩殑鑰冭│鎴愮妇銆�

鐐轰簡鑳藉強鏅�(sh铆)浜嗚В鏅�(sh铆)闁撲俊鎭�锛岀挵(hu谩n)鐞冪恫(w菐ng)鏍℃彁渚� 鍏嶈不(f猫i)闋�(y霉)绱勭煭淇℃彁閱�鏈嶅嫏(w霉)锛岄爯(y霉)绱勬垚鍔熷悗鍙互鍙婃檪(sh铆)鏀跺埌鎴愮妇鏌ヨ鏅�(sh铆)闁撶殑鐭俊閫氱煡銆�

銆愰1銆戞煇灏侀枆寮忓付濂冲厭澧荤殑闆欏潯灞嬮潰寤虹瓚鍓栭潰濡� 1 鎵€绀�锛屽牬鍦板湴褰㈠钩鍧︼紝鍦伴潰绮楃硻搴﹂鍒ョ偤 C 椤�锛� 鍩烘湰棰�(f膿ng)澹� = 0.50kN/m2銆傚亣瀹�锛屽コ鍏掑⒒ BC 浣滅偤鐩存帴鎵垮彈棰�(f膿ng)鑽疯級鐨勫湇璀�(h霉)妲�(g貌u)浠堕€�(j矛n)琛岃▓(j矛)绠楋紝瑭﹀晱鍨傜洿浜庡コ鍏掑⒒ BC 琛ㄩ潰鐨勯ⅷ(f膿ng)鑽疯級妯�(bi膩o)婧�(zh菙n)鍊�(kN/m2)鑸囦笅鍒椾綍闋�(xi脿ng)鏁�(sh霉)鍊兼渶鐐烘帴杩�锛�

鎻愮ず锛氣憼涓嶈€冩叜棰�(f膿ng)鍔涚浉浜掑共鎿剧殑缇ら珨鏁堟噳(y墨ng)

鈶℃寜銆婂缓绛戠祼(ji茅)妲�(g貌u)鑽疯級瑕�(gu墨)鑼冦€婫B50009-2012 浣滅瓟

(A)0.90   (B)1.1   (C)1.3    (D)1.5

绛旀銆怋銆�

銆愰2銆戞煇閶肩瓔娣峰嚌鍦熸鏋舵煴锛岃檿浜庡鍏�(n猫i)姝ｅ父鐠�(hu谩n)澧�锛屽畨鍏ㄧ瓑绱氱偤浜岀礆锛岄暦鏈熶娇鐢ㄧ殑鐠�(hu谩n)澧冩韩搴︿笉楂樹簬 60鈩冿紝 灞簬閲嶈妲�(g貌u)浠�銆傛埅闈㈠昂瀵哥偤b× h = 600mm × 600mm锛屽壀璺ㄦ瘮= 3.0锛岃桓澹撴瘮= 0.60锛屾贩鍑濆湡 C30锛岃ō(sh猫)瑷�(j矛)銆佹柦宸�銆佷娇鐢ㄥ拰缍(h霉)鍧囨豢瓒崇従(xi脿n)琛岃(gu墨)鑼冨悇闋�(xi脿ng)瑕佹眰?锛孎(xi脿n)鎿噰鐢ㄧ矘璨兼垚鐠�(hu谩n)褰㈢畭鐨勮姵缍哥簴缍京(f霉)鍚堝柈鍚戠箶鐗╋紙甯冿級锛堥珮寮�(qi谩ng)搴� II 绱氾級灏嶅叾閫�(j矛n)琛屽彈鍓姞鍥�锛岀簴缍柟鍚戣垏鏌辩殑绺辫桓绶氬瀭鐩�銆傚亣瀹�锛屽姞 鍥鸿ō(sh猫)瑷�(j矛)浣跨敤骞撮檺 30 骞�锛屼笉鑰冩叜鍦伴渿瑷�(sh猫)瑷�(j矛)鐙€娉�锛岄厤缃湪鍚屼竴鎴潰铏曠簴缍京(f霉)鍚堢挵(hu谩n)褰㈢畭鐨勫叏鎴潰闈㈢⿳Af = 120mm2锛岀挵(hu谩n)褰㈢畭绛嬩腑蹇冮枔璺漇f = 150mm锛岃│鍟�锛岀矘璨肩簴缍京(f霉)鍚堟潗鍔犲浐鍚�锛岃┎鏌辨枩鎴潰鎵胯級鍔涜ō(sh猫)瑷�(j矛)鍊肩殑鎻愰珮鍊糣cf(kN)鑸囦笅鍒椾綍闋�(xi脿ng)鏁�(sh霉)鍊兼渶鐐烘帴杩�锛�

鎻愮ず锛氭煴鍔犲浐鍚庣殑鏂滄埅闈㈡壙杓夊姏婊胯冻瑕�(gu墨)鑼冭(gu墨)瀹氱殑鎴潰闄愬埗姊濅欢瑕佹眰銆�

(A)260   (B)215 (C)170   (D)125

绛旀銆怐銆�

銆愰3銆戞贩鍑濆湡鐣板舰鏌辨鏋剁祼(ji茅)妲�(g貌u)锛屾煇涓瘈(ji茅)榛�(di菐n)濡傚湒 3 鎵€绀�锛岀瘈(ji茅)榛�(di菐n)鏍稿績鍗€(q奴)閲囩敤鏅€氭贩鍑濆湡锛屽挤(qi谩ng)搴︾瓑绱� C30锛� 閶肩瓔HRB400銆傛煴杌稿姣� = 0.60锛岃€冩叜鍦伴渿浣滅敤绲勫悎鏅�(sh铆)锛岃│鍟忥紝瑭茬瘈(ji茅)榛�(di菐n)鏍稿績鍗€(q奴)绲勫悎鐨勫壀鍔涜ō(sh猫)瑷�(j矛)鍊糣j(kN)锛屾渶澶т笉瓒呴亷涓嬪垪浣曢爡(xi脿ng)鏁�(sh霉)鍊兼柟鑳芥豢瓒炽€婃贩鍑濆湡鐣板舰鏌辩祼(ji茅)妲�(g貌u)鎶€琛�(sh霉)瑕�(gu墨)绋嬨€婮GJ 149-2017 灏嶇瘈(ji茅)榛�(di菐n)鏍稿績鍗€(q奴)姘村钩鎴潰鍙楀壀鐨勯檺鍒惰姹�銆�

(A)970   (B)820 (C)780   (D)690

绛旀銆怌銆�

銆愰4銆戞煇闆欒桓灏嶇ū宸ュ瓧鍨嬮嫾绛嬫贩鍑濆湡杌稿績鍙楀妲�(g貌u)浠�锛岃▓(j矛)绠楅暦搴o= 18.7m锛屾埅闈㈠昂瀵稿強閰嶇瓔濡傚湒  4鎵€绀�銆傚亣瀹�锛屾贩鍑濆湡 C30锛岄嫾绛� HRB400锛屾煴鎴潰閰嶇瓔鍙婃(g貌u)閫犵鍚堢従(xi脿n)琛屻€婃贩鍑濆湡绲�(ji茅)妲�(g貌u)瑷�(sh猫)瑷�(j矛)瑕�(gu墨)鑼冦€婫B 50010-2010锛�2015 骞寸増锛変腑 9.3 绡€(ji茅)鐨勮(gu墨)瀹�銆傝│鍟忥紝涓嶈€冩叜鍦伴渿瑷�(sh猫)瑷�(j矛)鏅�(sh铆)锛岃┎妲�(g貌u)浠剁殑姝ｆ埅闈㈣桓蹇冨彈澹撴壙杓夊姏瑷�(sh猫)瑷�(j矛)鍊硷紙KN锛夎垏涓嬪垪浣曢爡(xi脿ng)鏁�(sh霉)鍊兼渶鐐烘帴杩�锛�

(A)10850 (B)9850     (C)7850     (D)6850

绛旀銆怐銆�

銆愰5-7銆戞煇鏅€氶嫾绛嬫贩鍑濆湡妲�(g貌u)鏋�锛岀祼(ji茅)妲�(g貌u)瀹夊叏绛夌礆鐐轰簩绱�锛屾贩鍑濆湡 C30锛岄嫾绛� HRB400锛� = 70mm锛�

= 40mm锛孉B 鐐虹瓑鎴潰妲�(g貌u)浠�锛屽叾瑷�(j矛)绠楃啊鍦栧強妲�(g貌u)浠剁殑鎴潰濡傚湒 5-7锛圸锛夋墍绀�锛屽叾涓埅闈� 2-2 鐐烘敮搴 閭婄罚铏曠殑鎴潰锛屽亣瀹氾紝涓嶈€冩叜鍦伴渿瑷�(sh猫)瑷�(j矛)鐙€娉�锛屼綔鐢ㄤ簬妲�(g貌u)浠� AB 鐨勬按骞崇窔鑽疯級瑷�(sh猫)瑷�(j矛)鍊肩偤q1 = 60kN/m锛宷2  = 300kN/m锛岄櫎鍦栦腑鎵€绀鸿嵎杓夊锛屽叾浠栦綔鐢ㄥ強鍏舵晥鎳�(y墨ng)蹇界暐涓嶈▓(j矛)銆�

銆愰5銆戝亣瀹�锛屾(g貌u)浠� AB 绺卞悜鍙楀閶肩瓔闈㈢⿳A′s= 1964mm2锛屼笉鑰冩叜鎴潰鑵归儴閰嶇瓔鐨勯嫾绛嬬殑浣滅敤銆傝│鍟忥紝鎸夋鎴潰鍙楀綆鎵胯級鍔涜▓(j矛)绠�锛屾(g貌u)浠� AB 鍦ㄦ敮搴� A 閭婄罚鎴潰铏曟墍闇€鐨勬渶灏忕副鍚戝彈鎷夐嫾绛嬬殑鎴潰闈㈢⿳As(mm2)锛岃垏涓嬪垪浣曢爡(xi脿ng)鏁�(sh霉)鍊兼渶鐐烘帴杩�锛�

鎻愮ず锛氣憼鍏呭垎鑰冩叜鍙楀閶肩瓔鐨勪綔鐢�銆�

鈶′笉闇€瑁傜斧鎺у埗椹�(y脿n)绠椼€�

(A)6300   (B)6800 (C)7300  (D)8000

绛旀銆怋銆�

銆愰6銆戞(g貌u)浠� AC 鐨勬敮搴 閭婄罚鎴潰锛堟埅闈� 2-2锛�锛岀暥(d膩ng)鍍呴厤缃畭绛嬫姉鍓檪(sh铆)锛屾牴鎿�(j霉)鏂滄埅闈㈠彈鍓壙杓夊姏瑷�(j矛)绠楃殑鏈€灏忕畭绛嬮厤缃�(mm2/mm)銆�

鎻愮ず锛氣憼涓嶉(y脿n)绠楁渶灏忛厤绠嶇巼銆�

(A)1.50   (B)0.75  (C)1.05    (D)1.20

绛旀銆怌銆�

銆愰7銆戞(g貌u)浠� AB 鍏ㄩ暦瀵�(sh铆)閰嶅彈鎷夌副鍚戦嫾绛婣(y霉)s = 7856mm2锛屾敮搴� A 閭婄罚鎴潰铏�锛屾簴(zh菙n)姘镐箙绲勫悎瑷�(j矛)绠楃副鍚戦嫾绛嬫噳(y墨ng)鍔�=220N/mm2锛屽晱鍦� B 榛�(di菐n)鐨勬按骞充綅绉昏▓(j矛)绠楁檪(sh铆)锛屾(g貌u)浠� AB 瑁傜斧闁撶副鍚戝彈鎷夐嫾绛嬫噳(y墨ng)璁婁笉鍧囧嫽绯绘暩(sh霉)鑸囦笅鍒椾綍闋�(xi脿ng)鏁�(sh霉)鍊兼渶鐐烘帴杩�锛�

鎻愮ず锛氭(g貌u)浠� AB 涓嶆槸鐩存帴鎵垮彈閲嶅京(f霉)鑽疯級鐨勬(g貌u)浠躲€�

(A)0.65  (B)0.72  (C)0.80   (D)0.87

绛旀銆怐銆�

浠ヤ笂鏄�2021骞翠竴绱氱祼(ji茅)妲�(g貌u)宸ョ▼甯皥妤�(y猫)鑰冭│閮ㄥ垎鐪熼绛旀锛屽ぇ瀹跺彲浠ラ粸(di菐n)鎿婃铏�鍏嶈不(f猫i)涓嬭級瀹屾暣鐗�2021骞翠竴绱氱祼(ji茅)妲�(g貌u)宸ョ▼甯皥妤�(y猫)鑰冭│鐪熼绛旀锛堜笂鍗�1-19椤岋級

鑰冪敓鍊戝彲浠ラ粸(di菐n)鎿婃铏曟煡鐪�>鐠�(hu谩n)鐞冪恫(w菐ng)?锛熷繁锜€l(f膩)甯冪殑2021骞翠竴绱氱祼(ji茅)妲�(g貌u)宸ョ▼甯皥妤�(y猫)鑰冭│鐪熼鍙婄瓟妗�鍖附

浠ヤ笂灏辨槸灏忕法鐐哄ぇ瀹�?gu墨)顫嗘芳?021骞翠竴绱氱祼(ji茅)妲�(g貌u)宸ョ▼甯皥妤�(y猫)鑰冭│锛堜笂鍗堬級鐪熼绛旀锛�1-19椤岋級銆傚皬绶ㄧ偤澶у鏀堕泦鏁寸悊浜嗙祼(ji茅)妲�(g貌u)宸ョ▼甯牨(b脿o)鑰冩寚鍗�銆佸京(f霉)缈�(x铆)鎸囧皫(d菐o)銆佹ā鎿│椤�銆佹骞撮珮闋昏€冮粸(di菐n)绛夊倷鑰冭硣鏂欙紝榛�(di菐n)鎿婁笅鏂规寜閳曞嵆鍙厤璨�(f猫i)涓嬭級銆�