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Leakage Analysis of Deriner Dam (Artvin-Turkey) Using 3D Modeling
Mehmet Ozcelik,Fatih Tuzlu 대한토목학회 2018 KSCE JOURNAL OF CIVIL ENGINEERING Vol.22 No.8
Leakage in engineering structures is considered as one of the main issues. Analysis of the amount of water leakage can be useful inpreventing such events. Deriner Dam consists of a concrete arch dam with ancillary structures including tunnels, and an undergroundpowerhouse with an installed capacity of 670 MW. Leakage was observed on the powerhouse after the construction stage. For thispurpose, a number of geotechnical data (including rheological and mechanical properties of the grout mixes) were re-assessed toexamine the source of leaking. For determination of leakage source, graphics of grout curtain were prepared by using grouting chartswith the RockWorks v.16 program. Leakage zones were obtained according to the prepared graphics and showed on 3D model. Theresults show that temperature variation of grouting mixes is the primary cause of leakage and its effect observed in the undergroundpowerhouse wall of the Deriner Dam.