IS 11485 : 2014 Criteria for Design of Sluices in Concrete and Masonry Dams

ICS 17.120.20                          WRD 09

Reaffirmed 2020

1. Scope

1.1 This standard lays down the criteria for hydraulic and structural design of sluices provided in concrete and masonry dams for the purpose of conveying water from reservoir to down-stream either during construction period or during operation period.

1.2 The design of sluices which are large in comparison with the size of the dam is not included in the scope of this standard.

NOTE - Sluice is considered large when either of the following is complied with,

a) If d > 7 m, where d is maximum cross-sectional dimension;

b) If A > 50 m2, where A is area of cross-section of sluice; or

c) Concrete or masonry cover any where around it is less than d.

1.3 This standard does not cover the design of openings for penstocks.

2 REFERENCES

The following standards contain provision which, through reference in this text constitute provisions of this standard. At the time of publication the edition indicated was 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 editions of the standard indicated below.

IS No. Title

456 : 2000 Code of practice for plain and reinforced concrete (fourth revision)

1786 : 2008 Specification for high strength deformed steel bars and wires for concrete reinforcement (fourth revision)

6512 : 1984 Criteria for design of solid gravity dams (first revision)

8605 : 1977 Code of practice for construction of masonry in dams

12966 (Part 2) : Code of practice for galleries and

1990 other openings in dams Part 2 Structural designs