HEIGHTENING OF CONCRETE DAMS

Abstract

In almost all parts of the world a good number of dame have been raised. or are being considered for raising due to the increasing demand of irrigation, power and watersupplyt reappraisal. of data, sedimentation of the reeervairt inadequate section and defective conste. ruotion• Heightening of dams is important because a lot of, econcmy results from the increased storage at higher elevation. The study contains a crdtic. examination of the hnically possible methods of heightening of concrete dame, The basic design principles of heightening along lath the VarioUS planning and conotructional implications, which need careful eonsiderationt have been studied. In order to have a quick comparison between the differs eautions of heightening a dam, the merits, demerits and the field of application of different methods of heightening have been also analyses a, An attempt has been made to reason out an economical. section for a fifty metres high gravity dam: