Construction Technology Of Long-Span Prestressed Concrete Structure Of Guangzhou International Meeting Exhibition Centre

Recently,prestressed concrete structure develops quickly,and the technology is applied to the large-scale construction and the long-span bridge widely.Dependability of prestressed concrete structure is decided by the construction quality.Based on the Guangzhou international meeting exhibition center prestressed concrete project,the thesis analyzes the organizing of construction and prestressed concrete structure technology.The construction of Guangzhou international meeting exhibition center prestressed concrete project exists several difficult point:1.how to select and assign prestressed tendon,how to design anchorage bearing joint;2.how to assign and construct the later filling area;3.how to infix the prestressed tendons in the high altitude;4.how to make more steps coordinate well;5.how to treat the complex anchorage;6.prestressed concrete structure technology.The thesis aim at the difficult point,coordinate and optimization design,organize construction reasonable,resolve the construction problem,adopt the high efficient prestressed tendon technology,reduce prestressed loss.Through optimization the primary design,adopt the two types of prestressed tendon,assign the later filling area reasonable;infixing the prestressed tendons ingenious,adopt the hign efficient prestressed tendon technology,organize construction reasonable,make the project go on successfully,and make the project go on time.The thesis aims to provide guide for the similar projects in the future and promotes their applications further.