Mrica Main Dam is situated on the Serayu River in Central Java where it provides storage for a 180MW power station. The crest of the Main Dam is 800m long and its maximum height above the foundation is 110m. The types of instrument, their installation and operation, for monitoring the behaviour of the main dam, appurtenant structures and excavated slopes are described, together with procedures for collecting the readings and processing the data. Some aspects of the behaviour of the main dam during impounding are discussed and compared with predicted behaviour.

  • INTRODUCTION

  • LAYOUT OF INSTRUMENTATION

  • PURPOSE OF INSTRUMENTATION

  • INSTALLATION AND PERFORMANCE OF INSTRUMENTS

  • DATA COLLECTION AND PROCESSING

  • BEHAVIOUR OF MAIN DAM

  • REFERENCES

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