STUDY ON A NOVEL PRESTRESSED CONCRETE STRUCTURES WITH THE SAME TENDON IN INTERNAL AND EXTERNAL AND ITS APPLICATIONS

Li Yanhe; Yuan Aimin; Wang Jingquan; Hu Cheng

doi:10.13204/j.gyjz200602028

Volume 36 Issue 2

Dec. 2014

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Li Yanhe, Yuan Aimin, Wang Jingquan, Hu Cheng. STUDY ON A NOVEL PRESTRESSED CONCRETE STRUCTURES WITH THE SAME TENDON IN INTERNAL AND EXTERNAL AND ITS APPLICATIONS[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(2): 94-97. doi: 10.13204/j.gyjz200602028

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STUDY ON A NOVEL PRESTRESSED CONCRETE STRUCTURES WITH THE SAME TENDON IN INTERNAL AND EXTERNAL AND ITS APPLICATIONS

doi: 10.13204/j.gyjz200602028

1.
1 Center of Engineering Assessment and Repair of Nanjing Technology University Nanjing 210009;
2.
2 College of Civil Engineering,Southeast University Nanjing 210096

Received Date: 2005-08-20
Publish Date: 2006-02-20

Abstract

Abstract

During the process of strenthening and retrofitting, a new type prestressed concrete structure with the same tendons, parts of them were existed in the concrete but others were existed as external, is introduced to retrofit the building with a big story hight to more story building. At the first, the general problem in the process of retrofitting such structure was analyzed, then the novel concept was offered and its characteristic was also presented. The methods to calculate the loss of prestressing of the same tendons were given. Then the methods of the ultimate bearing capacity and the limit state of use were also given. At last, an application example was introduced, which proves such methods effective, feasible, and worthwhile wide application.
- internally and externally prestressing,
- design method,
- strengthen and retrofit

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References(8)

References

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[6] Allouche E N,Campbell T I,Green M F,et al.Tendeon Stress in Continuous Unbonded Prestressed Concrete Members_Part2:Parametric Study.PCI Journal,1999,45(1):73-80

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