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鍦熸湪宸ョ▼璁烘枃鑼冩枃锛氭贩缁勫悎缁撴瀯鍦伴渿鏄撴崯鎬у垎鏋?/h1>

銆€
涓嬮潰杩欑瘒鏂囩珷鐮旂┒浜嗘潗鏂欑殑鏃跺彉鐗规€у澶嶆潅楂樺眰鍨嬮挗–娣峰嚌鍦熺粍鍚堢粨鏋勬姉闇囨€ц兘鐨勫奖鍝嶏紝鍩轰簬澧為噺鍔ㄥ姏鍒嗘瀽(IDA)鑾峰緱浜嗙粍鍚堢粨鏋勫湪涓嶅悓鏈嶅焦骞撮檺閬亣鍦伴渿鏃剁殑鍔ㄥ搷搴旓紝渚濇嵁缁撴瀯鎬ц兘瀵圭収鏍囧噯鍜屽湴闇囨崯浼ゆā鍨嬶紝缁樺埗浜嗚璁℃槗鎹熸€ф洸绾垮拰鏃跺彉鏄撴崯鎬ф洸绾匡紝鎹鑾峰緱涓昏缁撹銆傞偅涔堟帴涓嬫潵澶у鍙互鐪嬬湅杩欑瘒鍦熸湪宸ョ▼涓撲笟璁烘枃锛屼竴璧锋潵瀛︿範涓€涓嬪惂锛?/span>

鍏抽敭璇? 
缁勫悎鏈烘瀯锛?/span>澧為噺鍔ㄥ姏鍒嗘瀽锛涙椂绌虹壒鎬у彉閲?/span>锛涘湴闇囨槗鎹熸€у垎鏋?/span>
鎽樿: 

闈㈠悜澶嶆潅楂樺眰鍨嬮挗–娣峰嚌鍦熺粍鍚堢粨鏋勶紝鑰冭檻娣峰嚌鍦熸潗鏂欏湪鏈嶅焦鏈熷唴鐨勫姡鍖栬繃绋嬶紝鎻愬嚭浜嗕竴绉嶈€冭檻鏉愭枡鏃跺彉鐗规€х殑鍦伴渿鏄撴崯鎬у垎鏋愭柟娉曘€傚熀浜庡閲忓姩鍔涘垎鏋?IDA)鑾峰緱缁撴瀯鍦ㄤ笉鍚屾湇褰瑰勾闄愭椂閬亣鍦伴渿鐨勫姩鍝嶅簲锛屽苟缁撳悎鍦伴渿鎹熶激妯″瀷鍜岀悊璁哄湴闇囨槗鎹熸€у垎鏋愭柟娉曪紝鑾峰彇缁撴瀯鐨勫湴闇囨槗鎹熸€ф洸绾裤€備互涓€鍏稿瀷澶嶆潅楂樺眰鍨嬮挗–娣峰嚌鍦熺粍鍚堢粨鏋勪负绠椾緥锛岄€夊彇15鏉″湴闇囨尝锛屽熀浜嶮IDAS GEN杞欢杩涜IDA鍒嗘瀽锛岀户鑰岀粯鍒跺嚭璁捐鍙婃椂鍙樻槗鎹熸€ф洸绾匡紝璇勪及缁撴瀯鍦ㄦ湇褰规湡闂村唴鐨勬姉闇囨€ц兘銆傜粨鏋滆〃鏄庯細鑰冭檻鏉愭枡鐨勬€ц兘鏃跺彉鐗瑰緛锛屽彲浠ユ洿涓哄噯纭湴鍒嗘瀽鍜岃瘎浼扮粍鍚堢粨鏋勭殑鎶楅渿鎬ц兘銆傚湴闇囨槗鎹熸€ф洸绾垮憟鐜板嚭涓€瀹氱殑鏃跺彉鐗规€э紝涓庝笉鑰冭檻鏉愭枡鏃跺彉鎬ц兘鐨勮璁℃洸绾垮瓨鍦ㄥ樊寮傘€傞壌浜庢绫荤粨鏋勭殑閲嶈鍦颁綅锛屽叾鍦伴渿鏄撴崯鎬ч殢鏉愭枡鏃跺彉鐗规€х殑鍙樺寲鍊煎緱鍏虫敞銆傛湰鏂囨彁鍑虹殑鑰冭檻鏉愭枡鏃跺彉鐗规€х殑缁勫悎缁撴瀯鍦伴渿鏄撴崯鎬у垎鏋愭柟娉曡兘鐩磋鍦板弽鏄犵粨鏋勫湪涓嶅悓鏈嶅焦鏈熷唴鎶楅渿鎬ц兘鐨勫樊寮傦紝涓洪娴嬮闃插湴闇囩伨瀹虫彁渚涗竴瀹氱殑渚濇嵁銆?br />
Aiming at the complex high-rise steel-concrete composite structures and considering the deterio-ration process of concrete materials during service period, a seismic vulnerability analysis method considering the time-varying characteristics of materials is proposed. Based on incremental dynamic analysis (IDA), the dynamic response of the structure subjected to earthquake during different service years is obtained, and the seismic vulnerability curve of the structure is obtained by combining the seismic damage model and theoretical seismic vulnerability analysis method. Taking a typical complex high-rise steel-concrete composite structure as an example, 15 seismic waves are selected and IDA analysis is conducted based on MIDAS GEN software. Then the designed vulnerability curves and time-varying vulnerability curves were drawn to evaluate the seismic performance of the structure during service periods. The results show that considering the time-varying characteristics of materials, the seismic behavior of composite structures can be analyzed and evaluated more accurately. The seismic vulnerability curve shows a certain time-varying characteristic, which is different from the designed curve which does not consider the time-varying performance of the material. In view of the important position of such structures, the change of the seismic vulnerability with the time-varying properties of materials is worth noting. The seismic vulnerability analysis method for composite structures considering time-varying characteristics proposed in this paper can directly reflect the difference in seismic performance of structures during different service periods and provide a basis for predicting and preventing earthquake disaster.
 
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14]銆傞珮鍚戠幉銆佹潕鏉扮瓑 [1] 缁撳悎鍥藉澶氬洜绱犵患鍚堝垎鏋愭蹇碉紝閫氳繃鍥炲脊娉曞拰閽诲瓟娉曪紝妫€娴嬩簡澶ч噺鏈嶅焦鏈熶负1~60骞寸殑寤虹瓚锛屾敹闆嗗ぇ閲忕殑缁熻鏁版嵁锛屽苟閫氳繃鍋囪妫€楠屽拰鍙傛暟浼拌鏂规硶寰楀埌娣峰嚌鍦熷己搴︽椂鍙樻鐜囧垎甯冨嚱鏁帮紝寤虹珛浜嗕竴涓柊鐨勬贩鍑濆湡鏉愭枡寮哄害鏃跺彉妯″瀷銆傝妯″瀷鑳界洿瑙傚湴鍙嶆槧娣峰嚌鍦熷己搴︽椂鍙樻晥搴斿浜庣粨鏋勬壙杞借兘鍔涚殑褰卞搷锛屼笖閫傜敤骞撮檺鏈熼檺杈冮暱锛屾晠鏈枃閫夌敤姝ゆā鍨嬭繘琛屽垎鏋愩€?br /> 鐩墠锛屽浗鍐呭瀛﹁€呯爺绌跺湴闇囨槗鎹熸€х殑涓绘祦鏂规硶鍒嗕负涓ょ锛氱粡楠屾槗鎹熸€ф柟娉曞拰鐞嗚鏄撴崯鎬ф柟娉?[8]銆傚叾涓紝鍚庤€呭張鍒嗕负鍩轰簬鏁板€兼ā鎷熺殑鎹熶激瓒呰秺缁熻娉曞拰鍩轰簬鍙潬搴︾殑鐩存帴鍥炲綊鎷熷悎娉?[8]銆傜浜岀鏂规硶鍩轰簬纭畾鎬ф湁闄愬厓鍒嗘瀽鑾峰緱澶ч噺鐨勫湴闇囧搷搴旓紝浣滀负缁熻鍒嗘瀽鐨勬牱鏈紝杩涜鏄撴崯鎬у垎鏋愬苟缁樺埗鏄撴崯鎬ф洸绾裤€傝繖涓柟娉曠殑鍩烘湰鍋囪鏄湪涓嶅悓鍦伴潰杩愬姩寮哄害涓嬶紝缁撴瀯鐨勫搷搴斿彲閫氳繃瀵规暟姝f€佸垎甯冭繘琛屾嫙鍚堬紝骞跺亣瀹氱粨鏋勬崯浼ゆ鐜囨湇浠庡鏁版鎬佸垎甯冦€?br /> 鍦ㄥ湴闇囨槗鎹熸€у垎鏋愪腑锛岃幏鍙栫粨鏋勭殑鍦伴渿鍝嶅簲鐨勬柟娉曚富瑕佹槸澧為噺鍔ㄥ姏鍒嗘瀽(IDA)銆傝鏂规硶灏嗗崟涓€鐨勬椂绋嬪垎鏋愭墿灞曚负澧為噺鏃剁▼鍒嗘瀽锛岀患鍚堜簡闈欏姏鎺ㄨ鍒嗘瀽鍜岄潪绾挎€ф椂绋嬪垎鏋愮殑璇稿浼樼偣锛屽湪鎶楅渿鍒嗘瀽涓湁鐫€澶ч噺搴旂敤銆?br /> 鏈枃鍩轰簬鍙潬搴︾殑鐩存帴鍥炲綊鎷熷悎娉曪紝閫氳繃澧為噺鍔ㄥ姏鍒嗘瀽寰楀埌缁撴瀯鐨勫湴闇囧搷搴旓紝缁撳悎缁撴瀯鍦伴渿鎹熶激妯″瀷锛岃绠楀湴闇囨崯浼ゅ€硷紝灏嗗湴闇囨崯浼ゅ€煎鏁板寲鍚庤繘琛岀嚎鎬у洖褰掓嫙鍚堬紝璁$畻缁撴瀯鍦ㄤ笉鍚屾崯浼ょ姸鎬佷笅鐨勮秴瓒婃鐜囷紝鏈€缁堢粯鍒舵槗鎹熸€ф洸绾裤€傛湰鏂囩粯鍒跺湴闇囨槗鎹熸€ф洸绾垮叿浣撶殑杩囩▼濡備笅锛?br /> 1) 鎸夌収鍦伴渿娉㈢殑閫夊彇鍘熷垯锛岄€夋嫨瓒冲鏁伴噺鐨勫湴闇囨尝锛屽苟瀵瑰湴闇囨尝杩涜棰勫鐞嗭紝鍗虫帶鍒跺湴闇囨寔缁椂闂淬€佹埅鍙栦唬琛ㄦ€ф尝娈典互鍙婅繘琛岃皟骞呭鐞嗐€?br /> 2) 閫夊彇鍚堢悊鐨勬姉闇囨€ц兘鎸囨爣锛屽畾涔夊悎鐞嗙殑缁撴瀯鎹熶激鐮村潖鐘舵€佷互鍙婄浉搴旂殑鎹熶激鏋侀檺鍊硷紝寤虹珛鍦伴渿鎹熶激妯″瀷銆?br /> 3) 缁撳悎鎵€閫夌殑璋冨箙鍦伴渿娉㈠鍨嬮挗-娣峰嚌鍦熺粍鍚堢粨鏋勭殑鏈夐檺鍏冩ā鍨嬭繘琛屼竴绯诲垪闈炵嚎鎬ф椂绋嬪垎鏋?IDA)锛屽緱鍒板眰闂翠綅绉昏鍜屽眰闂翠綅绉荤瓑鍦伴渿鍝嶅簲銆?br /> 4) 鍩轰簬寤虹珛鐨勫湴闇囨崯浼ゆā鍨嬶紝璁$畻涓庡悇缁撴瀯鍝嶅簲鍊煎搴旂殑鎹熶激鍊笺€?br /> 5) 灏嗗湴闇囨崯浼ゅ€煎鏁板寲鍚庤繘琛岀嚎鎬у洖褰掑垎鏋愶紝寰楀埌缁撴瀯鍦伴渿鎹熶激瀵规暟鍊间笌鍦伴渿娉㈠弬鏁?鍦伴潰鍔犻€熷害宄板€?PGA))瀵规暟鐨勭嚎鎬у洖褰掓柟绋嬶紝濡傚紡(5)鎵€绀恒€?br /> 3. 缁撴瀯澧為噺鍔ㄥ姏鍒嗘瀽(IDA)
杩涜鍦伴渿鏄撴崯鎬у垎鏋愮殑鍓嶆彁鏄幏鍙栫粨鏋勫ぇ閲忕殑鍦伴渿鍝嶅簲浣滀负缁熻鍒嗘瀽鐨勬牱鏈紝澧為噺鍔ㄥ姏鍒嗘瀽(IDA)鏄幏鍙栧ぇ閲忓湴闇囧搷搴旂殑杈冨ソ鐨勪竴绉嶆柟娉曘€傚叾鍩烘湰姝ラ鏄缁撴瀯鏂藉姞涓€涓湴闇囧姩璁板綍(鍦伴渿娉?锛屽皢杩欎竴鍦伴渿鍔ㄨ褰曟寜涓€瀹氱殑姣斾緥绯绘暟璋冩暣涓哄涓己搴︽按骞崇殑鍦伴渿鍔紝骞跺湪姣忎竴寮哄害姘村钩涓嬪垎鍒繘琛屾椂绋嬪垎鏋愶紝鐒跺悗鍒╃敤鎻掑€肩殑鏂规硶寰楀埌涓€鏉″伐绋嬮渶姹傚弬鏁颁笌鍦伴渿鍔ㄥ己搴︽寚鏍囩殑鍏崇郴鏇茬嚎锛屽嵆IDA鏇茬嚎銆傛洿鎹㈠湴闇囧姩璁板綍锛岃幏寰楀鏉DA鏇茬嚎锛屽鍏惰繘琛岀粺璁″垎鏋愶紝浠ヨ瘎浼板湪涓嶅悓鍦伴渿姘村噯涓嬬殑缁撴瀯鐨勬姉闇囨€ц兘銆?br /> 鏈枃閫夊彇鐨?5鏉″湴闇囨尝濡傚浘3鎵€绀猴紝閫夋嫨鍚勪釜鍦伴渿娉腑杈冩湁浠h〃鎬х殑涓€娈碉紝鎺у埗鍦伴渿鎸佺画鏃堕棿涓?0 s锛屼互宄板€煎姞閫熷害PGA浣滀负鍦伴渿鍔ㄥ弬鏁帮紝灏?5鏉″湴闇囨尝鐨凱GA浠?.1 g璋冩暣鑷?.0 g锛屽緱鍒?50鏉″湴闇囧姩璁板綍锛屽垎鍒繘琛屽姩鍔涘脊濉戞€ф椂绋嬪垎鏋愩€傚浘5缁欏嚭浜嗗湪Elcent鍦伴渿娉?PGA = 0.1 g)鐨勪綔鐢ㄤ笅锛岀畻渚嬬粨鏋勯《灞傜殑灞傞棿浣嶇Щ闅忔椂闂村彉鍖栫殑鏇茬嚎鍥俱€傜粺璁$粨鏋勫湪涓嶅悓鍦伴渿娉㈠拰涓嶅悓鍦伴渿鍔ㄥ己搴︿笅鐨勬渶澶у眰闂翠綅绉诲拰灞傞棿浣嶇Щ瑙掞紝骞舵牴鎹湴闇囨崯浼ゆā鍨嬭绠楀湴闇囨崯浼ゅ€硷紝缁樺埗鍑鸿鍨嬮挗-娣峰嚌鍦熺粍鍚堢粨鏋勭殑璁捐IDA鏇茬嚎锛屽嵆涓嶅悓宄板€煎姞閫熷害鎵€瀵瑰簲鐨勫湴闇囨崯浼ゅ浘绾匡紝濡傚浘6鎵€绀恒€?br /> 3.1. 鍦伴渿鏄撴崯鎬у垎鏋?/strong>
鍩轰簬2.3鑺備腑鐨勬柟娉曡繘琛屾槗鎹熸€у垎鏋愶紝骞剁粯鍒剁畻渚嬬殑璁捐鍦伴渿鏄撴崯鎬ф洸绾裤€傞鍏堬紝灏嗗浘7涓殑IDA鏇茬嚎涓悇鍦伴渿鎹熶激鍊煎鏁板寲鍚庤繘琛岀嚎鎬у洖褰掑垎鏋愩€侾GA鐨勫鏁板€间綔涓烘í鍧愭爣锛屽湴闇囨崯浼ゅ鏁板€间负绾靛潗鏍囷紝鍒╃敤MATLAB杞欢杩涜绾挎€у洖褰掑垎鏋愶紝寰楀埌绾挎€у洖褰掑嚱鏁般€傛湰妯″瀷鐨勮璁″湴闇囨槗鎹熸€ф洸绾跨殑绾挎€у洖褰掑垎鏋愯繃绋嬪強绾挎€у洖褰掓柟绋嬪鍥?鎵€绀恒€?br /> 鍩轰簬涓婅堪绾挎€у洖褰掑垎鏋愮殑缁撴灉锛屾牴鎹紡(6)鍜屽紡(7)璁$畻缁撴瀯鍦ㄤ笉鍚岀牬鍧忛樁娈电殑瓒呰秺姒傜巼锛屽緱鍒扮畻渚嬬粨鏋勭殑璁捐鍦伴渿鏄撴崯鎬ф洸绾匡紝濡傚浘8鎵€绀恒€?br /> 浠庡浘8涓彲浠ュ彂鐜帮紝绠椾緥鐨勮璁″湴闇囨槗鎹熸€ф€讳綋涓婇殢鍦伴渿寮哄害澧炲ぇ鑰屼笉鏂彁楂樸€傚綋PGA浣庝簬0.2 g鏃讹紝缁撴瀯鍙戠敓杞诲井鎹熶激鍜屼腑绛夋崯浼ょ殑姒傜巼闅忓湴闇囧姩寮哄害鐨勫姞澶ц€岃繀閫熷鍔狅紝璇存槑鍦ㄦ闃舵鍐咃紝璇ョ粨鏋勫浜庤交寰拰涓瓑鎹熶激鐘舵€佷笖鎹熶激鍙戝睍鍗佸垎杩呴€燂紝缁撴瀯瀵瑰湴闇囧姩寮哄害鐨勫彉鍖栨晱鎰熴€傚綋PGA杈惧埌0.2 g鏃讹紝缁撴瀯鍙戠敓杞诲井鎹熶激瓒呰秺姒傜巼鍩烘湰杈惧埌100%锛屽苟涓斿綋鍦伴潰宄板€煎姞閫熷害杈惧埌0.5 g鏃讹紝缁撴瀯宸茬粡澶勪簬涓瓑鎹熶激鐘舵€併€傜粨鏋勫彂鐢熶弗閲嶆崯浼ゆ儏鍐佃鍦≒GA瓒呰繃1.0 g鏃舵墠鍙兘鍑虹幇锛屽綋PGA瓒呰繃2.0 g鏃剁粨鏋勬墠鏈夊€掑鐨勫彲鑳斤紝涓斿彂鐢熶袱绉嶆崯浼ゆ儏鍐电殑瓒呰秺姒傜巼闅忓湴闇囧己搴﹀闀跨殑閫熺巼杈冧负骞崇紦銆傚綋PGA灏忎簬0.6 g鏃讹紝鐩稿悓PGA浣滅敤涓嬶紝缁撴瀯鍊掑鐨勮秴瓒婃鐜囪杩滃皬浜庡墠涓夌鎹熶激姒傜巼锛岃鏄庤鍨嬮挗-娣峰嚌鍦熺粨鏋勫叿鏈夎壇濂界殑瀹夊叏鎬э紝涓嶆槗鍙戠敓鍊掑銆?br /> 3.2. 缁撴瀯鏃跺彉鍦伴渿鏄撴崯鎬у垎鏋?/strong>
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琛?鎵€绀恒€備负缁撴瀯鍦ㄦ湇褰规湡鍐呴伃閬囧湴闇囧彂鐢熷€掑鐨勬槗鎹熸€ф洸绾裤€備粠鍥句腑鍙互鐪嬪嚭锛屽湪鍚勪釜鏈嶅焦鏈熸椂鍒伙紝缁撴瀯閬亣缃曢亣鍦伴渿鏃跺€掑鐨勬鐜囧湪9%鑷?1%宸﹀彸锛屼笖鍦ㄤ笉鍚屾湇褰规湡闂达紝缁撴瀯鍊掑鐨勮秴瓒婃鐜囧洜娣峰嚌鍦熸潗鏂欐椂鍙樼壒鎬ц€屽彂鐢熷彉鍖栥€傚綋PGA涓?.4 g鏃讹紝褰撴湇褰圭60骞撮伃閬囩綍閬囧湴闇囨椂锛屽彂鐢熷€掑鐨勬鐜囦负0.108锛岃璁℃鐜?.097锛屽墠鑰呮瘮鍚庤€呴珮浜嗙害11.3%锛涘綋鏈嶅焦绗?5骞撮伃閬囩綍閬囧湴闇囨椂锛屽彂鐢熷€掑鐨勬鐜囦负0.101锛岃璁℃鐜?.097锛屽墠鑰呮瘮鍚庤€呴珮浜嗙害4.1%锛岃鏄庢潗鏂欑殑鏃跺彉鎬ц兘浼氬奖鍝嶇粨鏋勭殑鎶楅渿鎬ц兘銆?br /> 4. 缁撹
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