null null c I | : 1005- 0574- ( 2011) 02- 0038- 03B ! 9 L e v Z( X g Y ! 9 , X 065000)K null 1 : L = ,V 9 8 / a a/ aB F a q + Z e 1 v B ! 9 ,V M 1 ! 9 I b1 o M : B ; ; / ; F ! 9 m s | : U442null null null null null null null D S M : BAbstract: Based on practical engineering, this paperbriefly introduced the design of Jiuzhou bridge from the overall strucnulltureasuperstructureasubstructureabridge seism ic and secondary structures, and to provide reference for related professional designnullers.K ey words: bridge engineering; superstructure; substructure; seism icdesign1null Y g h # L , 2005M 8 7 y! , L 58null4 km, _ 4 ,! 9 100 km/h, 2008M 7 y Y b ? 6 , z 34null5 m, ? _ % 2 V Y b$ L B ) ,! 9 100 km /h, z 28mb y ! _ ,? ? n = b B w g Y L , B t L ( | K5+ 144null446 )aQ B ( |K5 + 242null936)aE L ( | K5 +521null283)a? ( | K5+ 968null025)b t e y , H B ) + , B C r Q # T r Q b2null / S 1null ! 9 9 : 120 km /hb! 9 : - !) b F : 0null15 ga,l # , ! n b%S B 9 z # F :B 9 z 42m,B F : 0null5 m( ) + 19null5 m( ) + 0null5m( ) + 1m(W ) + 0null5m( ) + 19null5 m( ) + 0null5 m( )b& B K v : : 1null4%b! 9 q : 1/100 ab( Y : ! b) ! 9 ) :B ) b3null ! 9 1 3null1null ! 93null1null1null 9 8 / ! 9 B P t F : ( 32null6 + 34null1 + 2 32null6)mC Q + ( 3 28)mC Q + 2 ( 3 25)m Q + 3 ( 4 25)mC Q + 2 ( 4 25)m Q + ( 3 25)m Q ; t F : (32null6+ 34null1+ 2 32null6)mC Q + ( 3 28)mC Q + 2 ( 325)m Q + ( 4 25)mC Q + 4 ( 4 25)m Q + ( 3 25) m Q ;B T a $ ;B T a $ b3null1null2null ! 93null1null2null1null Q snull B 3 a 4 a 8 10 a 6 a 7 t 25 m T l Q , Q + Y B d Y m , $ , z aA z a38= H ighways& Transportation in InnerM ongolia 2011M 1 b ! b Q B B ! , Q H i b% f g 9 ! , g ! F , 7 b& B r = : _ F bY d 50mmb3null1null2null2null C Q snull P 1 Q B z 20null5m, Q 4i , D 225 cm, 180 cm; 1 Q B z 24null5 24null212 m, Q 5i , D 225cm, 180 cm;P 2 B z 20null5m, Q 4i , D 225 cm, 160 cm; 2 B z 24null212 20null5 m, Q 4i , D 225cm, 160 cm;P 5 Q B z 33null97228null07m, Q 6i , D 225 cm, 140cm; 5 Q B z 20null5 m, Q 4i , D 225 cm, 140 cm;P 6 B z28null07 24null211m, Q 5i , D 225 cm, 140 cm;P 7 B z 24null211 20null5 m, Q 4i , D 225 cm, 140 cm; B t ( Q , B z ! 7 Q , 140 cmbC Q B Q , , 8 , M (P 5 ) p ) ,= M v , Z L ,! 9 Z T B ); Q B M bC Q O C Z ( 1t L , ! T O ), F y ,! 9 7 a B V H ! 9 ZE ( M # Q ,5 Q C Q Z V O )bM # ( f 8 Z V , H O ( V 5