Research For The Scheme Selecting Of Harbin Municipal Bridge

with the development of city construction . All kinds of bridges of flyover-crossing ,viaduct ,flying bridge came into repairing one after another .Both traffic organization and modeling forms of bridges have characteristic of its own .At present ,with the fast development of the bridge construction in China as well as in the world .The need for city bridge construction is on the increase .It starts from the basic discipline of bridge construction ,and puts forward "useful ,Safe ,Economy .Beauty ; Flyover- crossing , Fast" .That is ,it is the question for four sides .The first. people put forward the demand under the safe use's condition in bridge construction .The second ,people put forward the demand in spirits and aesthetics modeling .The third ,economic characters under above two sides by means of necessary artifice of matter technology .The fourth .developing the transport ability .for fast and continuous driving .At present .the competition among the world city development shows protruding in the competes of city figure construction .A fine city figure is a large amount of invisible assets, Potential productive forces .In city figure construction .traffic is the first factor and protruding index .To develop city flyover- crossing traffic becomes the only way for solving busy traffic in modern cities .According to all above conditions .this essay partly summarize the work of advanced structure forms in our cities and accepting-force characters .use function in Harbin new bridges .this essay consists of three parts .The main content include : advanced structure forms of bridges .as well as bridge examples ;beauty feelings of bridge structure environments of bridge buildings ;the perspective of new bridges on the second ring road and the analyzing bridge construction on the fourteen street in Dao Wai district in Harbin ;until fly-over bridges in Xuan Hua street in Nan Gang district and on the Sang Zing street ,up to Hai Ceng street.