Study of Crack Occurrence and its Effects on Large Underground Concrete Caverns

Publish Year: 1385
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

ICCE07_622

تاریخ نمایه سازی: 29 دی 1384

Abstract:

Study of crack and crush in concrete structures is one of the controversial issues of concrete structure. The most reliable method for investing such problem is using a combination of analysis and experimental methods. In this paper the problem of cracking in the underground concrete structure of Masjed Soleiman hydro power plant was incestigated through study of measurements and also analysis modeling of critical components . the problem was raised due to underestimating of swelling behavior of mud stone layers crossing the cavern which was intensified due to raise in water level in the reservoir of the dam. The study shown that if the crack distribution is not controlled in such structures which contain dynamic rotating machines and located in seismic zones may highly affect the long term behavior of the structure and reduce the effective life. In was generally seen that for under ground concrete structures the symmetry in stiffness and ductility can help to control such anomal cracking.

Authors

M.Safi

Assistant professor

A.Chaboki

Senior Engineer

H.Korkorian

Design Engineer

M.Daeian

Geotechnical Engineer

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  • Euro EC2 Code, Design of Concrete Structures, Paris 1997. ...
  • Rehabilitation Report of Masj ed-e- Soleyman Concrete Cavern Liner, Moshanir ...
  • Frantz, G.C., and Breen, J.E, Cracking on Side Faces of ...
  • ACI Committee 224, Control of Cracking in Concrete Structures, Concrete ...
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