A General Design of Main Bridge of Yangmingtan Bridge in Harbin

Yangmingtan Bridge is a super-large bridge crossing Songhua River,located in west line of Three-ring Rd.in Harbin.The main bridge appearance is adopting neoclassicism European style with the total beam length of 6 464 m.The main bridge is five-span twin-tower self-anchored suspension bridge with the main span of 248 m,and the stiffening girder is adopting the combination of steel-concrete composite beam and reinforced concrete box girder.The relevant design technology standard and general design are introduced and the choice reason and selection condition of main bridge type layout plan are presented briefly.The structure design of bridge beam is introduced from several aspects including stiffening girder,main tower,cable system,cable saddle cable clip,etc.