IS 12966 : Part 2 : 2024 Galleries and Other Openings in Dams - Code of Practice - Part 2 Structural Design
1 SCOPE
1.1 This standard (Part 2) lays down method of determining reinforcement around openings in solid gravity dams constructed either in concrete or in masonry, and are applicable to openings which can be analyzed as two-dimensional problems.
1.2 The design of openings which are large in comparison with the size of the dam has not been considered in this standard. If d is the maximum cross-sectional dimension of the gallery of the opening, it is considered large when either of the following is complied with:
a) d ≥ 6 m, or
b) concrete or masonry cover anywhere around the opening is less than d.
2 REFERENCES
The standards given below contain provisions which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of these standards:
| IS No. | Title |
| IS 456 : 2000 | Plain and reinforced concrete - Code of practice (fourth revision) |
| IS 457 : 1957 | Code of practice for general construction of plain and reinforced concrete for dams and other massive structures |
| IS 4410 (Part 8) : 1992 | lossary of terms relating to river valley projects: Part 8 Dams and dam section (first revision) |
| IS 6512 : 2019 | Criteria for design of solid gravity dams (second revision) |
| IS 8605 : 1977 | Code of practice for construction of masonry in dams |