钢管混凝土拱桥动力特性分析推荐.docVIP

H IGHW A Y?? Feb12001?? N o12?? : U ; U 441??????????ˇ–???′o ?????`?˙ˉ??`?—?? ?′???￠ , ?′–?·” (?￡·§?`‰¤§”???￡?—?? : ‰?”ˇ…???????`?˙ˉ???`???”?—ˇ“??`?…??a‰??? ???? “??“ …???¨??`?— , ?￠?‰??????`??…???‰¤??￡ ???? ?…·? : ?????`?˙ˉ ; ??`?— 0?? ?????`?˙ˉ??·, ‰???—??‰???????￡ ?¨?—??‰—￥???￠ ?`—??￠ ??‰?￠ …????¨?￡ ??——? ?‰—ˇ?￠ ˇ′?—?‰ , —?￠ —?￠ ˇ′?—?‰?“?￡ ”?ˇ‰???? ( ”??ˉ—??‰???? ) ?, ??—???ˉ”?? —”??ˉ ”??￡ ·????`? , ???“—??`??”????`???￡ ???`??—?`”?”ˇˇ”??…ˇ????￡ ˙ˉ`”? ??…¨???? , —???˙·?˙?—?￡ ????? ????`?˙ˉ??`?—?—?¨??`?‰??—?? [1] ?? , ??`?—??—????“?…?￡ ?????`?˙ˉ o???·??????˙ˉ”??‰???`?˙ˉ ??`ˇ— ??￠ ‰???ˇ¨?‰??…—ˉ?ˇ?? , ??? — ??￠ ??—?¨?—??a , ????`?—?? ??¨? : 2000- 07- 01 ) , ??`??????`?˙ˉ???′??￠ ?—? —??ˇ????–“?￡ ˙ˉ`”‰??????`?—?˙???`?—????“ ??? , ?¤??′??￠ ?—?…???–¨¨ , ?·?`?˙ˉ `”???¨?–??￡ ?¨?‰??????ˇ?￠ ?`? ??¨?￠ ??……§?—?…¨ , ??¨?‰?——˙ˉ`”??? ?…??￠ ????…????¨?¤—??¨?…—ˉ“? ?￡ –???…???`?—???`ˇ???·?ˇ , ??? ???`?˙ˉ???`?—‰?——`????‰?? , ?“¨o?“? ?????`?˙ˉ???`?—?—???……??…–??￡ 1?????? ??˙, ?????`?˙ˉ??′? , “?¤??˙ˉ? ?”???·—??¤?¨…?——–??¨……??a ????￡ Research on Con struction Technology of an In tegra ted In sta lla tion Towers 1 2 2 Zha ng Ka iy in , ?? L iu S a nyua n , ?? H e Yuwei (1. H uazhong U n iversity, W uhan , Ch ina; 2. H ubei H ighw ay and B ridge Com pany, W uhan , Ch ina ) Abstract: In the con st ruct ion of the long2sp an concrete filled steel tubu la r a rch b ridge by u sing an in teg ra ted in sta lla t ion tow ers, the key techno log ies, such a s st reng th and stab ility of the tow er, defo rm a t ion of a cab le, m ea su rem en t fo r the ten sion and con t ro l of the a rch rib s, a re resea rched in o rder to a ssu re the con st ruct ion qua lity and safety. T he design of an in teg ra ted in sta lla t ion tow ers can decrea se the inp u t equ ipm en t s, reduce the eng ineering co st s and p ick up the con st ruct ion sp eed. T h is techno logy can be a lso u sed in the con st ruct ion of the sam e k ind b ridge. Key