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XXIV. Congress (Kyoto, 6. – 8. June 2012)

  • Question 92: Environmental friendly techniques for dams and reservoirs
  • Question 93: Safety
  • Question 94: Flood discharge
  • Question 95: Ageing and upgrading

XXIII. Congress (Brasilia, Brasilia, 25. - 29. May 2009)

  • Question 88: Dams and hydropower
  • Question 89: Management of siltation in existing and new reservoirs
  • Question 90: Upgrading of existing dams
  • Question 91: Dam safety management

XXII. Congress (Barcelona, Spain, 18. - 23. June 2006)

  • Question 84: Technical solutions to reduce time and costs in dam design and construction
  • Question 85: Management of the downstream impacts of dam operationy
  • Question 86: Safety of earth- and rockfill dams
  • Question 87: Flood and drought evaluation and management

XXI. Congress (Montreal, Canada, 16. - 20. June 2003)

  • Question 80: Financing hydraulic projects including dams
  • Question 81: Economic evaluation of hydraulic projects including dams
  • Question 82: Aging and rehabilitation of concrete and masonry dams and appurtenant works
  • Question 83: Seismic aspects of dams

XX. Congress (Beijing, China, 19. - 22. September 2000)

  • Question 76: The use of risk analysis to support dam safety decisions and management
  • Question 77: Benefits of and concerns about dams
  • Question 78: Monitoring of dams and their foundations
  • Question 79: Gated spillways and other controlled release facilities, and dam safety

XIX. Congress (Florence, Italy, 26. - 30. May 1997)

  • Question 72: Innovative financing of projects involving dams
  • Question 73: Special problems associated with earth dams
  • Question 74: Performance of reservoirs
  • Question 75: Incidents and failures of dams

XVIII. Congress (Durban, South Africa, 7. - 11. November 1994)

  • Question 68: Safety assessment and improvement of existing dams
  • Question 69: Environmental experience gained from reservoirs in operation
  • Question 70: Staged construction, raising of modifications of dams
  • Question 71: Deterioration of spillway and outlet works

XVII. Congress (Vienna, Austria, 16. - 21. June 1991)

  • Question 64: Environmental issues in dam projects
  • Question 65: Ageing of dams and remedial measures
  • Question 66: Dams on difficult foundations
  • Question 67: New developments for fill dams and fill cofferdams

XVI. Congress (San Francisco, USA, 13. - 17. June 1988)

  • Question 60: Reservoirs and the environment. Experience in management and monitoring
  • Question 61: Embankment dams: Impervious elements other than clay cores
  • Question 62: New developments in the construction of concrete dams
  • Question 63: Design flood and operational flood control

XV. Congress (Lausanne, Switzerland, 18. - 23. June 1985)

  • Question 56: Dam and foundation monitoring
  • Question 57: Concrete dams - An old problem always present: Cracking; A new technology: Rolled concrete (rollcrete)
  • Question 58: Foundation treatment for control of seepage
  • Question 59: Rehabilitation of dams to ensure safety

XIV. Congress (Rio de Janeiro, Brazil, 3. - 7. May 1982)

  • Question 52: Safety of dams in operation
  • Question 53: Influence of geology and geotechnics on the design of dams
  • Question 54: Reservoir sedimentation and slope stability. Technical and environmental effects
  • Question 55: Materials and construction methods for embankment dams and cofferdams

XIII. Congress (New Delhi, India, November 1979)

  • Question 48: Interface problems of dams
  • Question 49: Deterioration or failure of dams
  • Question 50: Large capacity outlets and spillways
  • Question 51: Seismicity and aseismic design of dams

XII. Congress (Mexico City, Mexico, 29. March - 2. April 1976)

  • Question 44: Problems associated with special types of fill dams
  • Question 45: Leakage investigations and drainage of dams and their foundations
  • Question 46: Preliminary planning of dam developments
  • Question 47: The effect on dams and reservoirs of some environmental factors

XI. Congress (Madrid, Spain, 11. - 15. June 1973)

  • Question 40: The consequence on the environment of building dams
  • Question 41: Flow control and energy control during construction and after completion
  • Question 42: Impervious elements and slope protection on earth and rockfill dams
  • Question 43: New ideas for more rapid and economic construction of concrete dams

X. Congress (Montreal, Canada, 1. - 5. June 1970)

  • Question 36: Recent developments in the design and construction of earth and rockfill dams
  • Question 37: Recent developments in the design and construction of dams and reservoirs on deep alluvial, karstic, or other unfavourable formations
  • Question 38: Supervision of dams and reservoirs in operation
  • Question 39: Recent developments in the design and construction of concrete dams

IX. Congress (Istanbul, Turkey, 4. - 8. September 1967)

  • Question 32: The safety of dams from the point of view of the foundations and the stability of reservoir banks
  • Question 33: Temporary and permanent provisions for the control of flows
  • Question 34: Behaviour and deterioration of dams
  • Question 35: Dams in earthquake zones or other unfavourable situations

VIII. Congress (Edinburgh, Great Britain, 4. - 8. May 1964)

  • Question 28: Physical and mechanical properties of rock in situ, means of determining these properties and improving them with special reference to the design and construction of large dams
  • Question 29: Results and interpretation of measurements made on large dams of all types, including earthquake observations
  • Question 30: Design of concrete for large dams of all types and influence of age on concrete properties
  • Question 31: Design, methods of construction and performance of high rockfill dams (above or about 80 m)

VII. Congress (Roma, Italy, 26. June - 1. July, 1961)

  • Question 24: The selection, processing and specification of aggregates for concrete for large dams
  • Question 25: Underground works in connection with design and construction of large dams
  • Question 26: Modern techniques of concrete dams for wide valleys and Ancillary works
  • Question 27: Sealing of earth and rockfill dams with bitumen and other materials

VI. Congress (New York, USA, 15. - 20. September 1958)

  • Question 20: Heightening of existing dams including methods of constructing new dams in successive stages
  • Question 21: Observation of stresses and deformations in dams and their foundations and abutments and a comparison of these observations with computations and tests on small scale models
  • Question 22: Compaction methods and moisture content for materials used in the construction of earth core and supporting fill for earth and rockfill dams
  • Question 23: Use of admixtures and pozzolanic materials in concrete for dams and the influence of the finer sand particles

V. Congress (Paris, France, 31. May - 4. June 1955)

  • Question 16: Design and construction of dams on permeable soils and methods of foundation treatment
  • Question 17: Economy and safety of different types of concrete dams
  • Question 18: Settlement of earth dams due to the compressibility of the dams materials or of the foundation effect of earthquakes on the design of dams
  • Question 19: The relation of the cement content of the concrete to performance of: a) Gravity dams, b) Arch dams, c) Buttress dams, and its influence on permeability and frost resistance

IV Congress (New Delhi, India, 11. - 16. January 1951)

  • Question 12: Method for determining maximum flood discharge that may be expected at a dam and for which it should be designed. Selection of type and general arrangement of the temporary or permanent outlets and spillways and determination of their capacities
  • Question 13: Design and construction of earth dams and rock fill dams with their core walls and diaphragms
  • Question 14: Silting of reservoirs and relating problems
  • Question 15: Concrete for large dams

III. Congress (Stockholm, Sweden, 10. - 17. June 1948)

  • Question 8: Uplift and the resulting stresses in dams
  • Question 9: Methods and instruments for measuring stresses and strains in earth and concrete dams
  • Question 10: Most recent dispositions to avoid piping
  • Question 11: Information obtained from the use of testing methods and of special cements in large dams

II. Congress (Washington, USA, 7. - 12. September 1936)

  • Question 3: Special cements
  • Question 4: Design and waterproofing of shrink-age, contraction and expansion joints
  • Question 5: Study of facing of masonry and concrete dams
  • Question 6: Geotechnical studies of foundation materials
  • Question 7: Calculation of the stability of earth dams

I. Congress (Stockholm, Sweden, June - July 1933)

  • Question 1a: Deterioration by ageing of the concrete of weight dams
  • Question 1b: Influence of internal temperature and distortion of weight dams
  • Question 2a: Research methods so as to ascertain whether a given material is suitable for being used in the construction of an earth dam
  • Question 2b: Study of physical laws governing infiltration of water through the dam and the subjacent soil

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