Published Resources Details

Journal Article

Author
Mierisch, R. J.
Title
Successive approximations applied to the design of walls of circular reinforced concrete tanks
In
Journal of the Institution of Engineers, Australia
Imprint
vol. 30, no. 10-11, Oct-Nov 1958, pp. 299-307
Description

This paper, No.1351, originated in the Adelaide Division of the Institution and was presented before a Meeting of the Division on 19th July, 1957.

The author, R. J. Mierisch, ME StudIEAust, at the time of presentation of the paper, was an Engineer in the Design Branch of the Engineering and Water Supply Department, Adelaide.

[This paper was awarded both the Edward Noyes Prize 1959, and the R. J. N. Franki Medal 1959]

Abstract

The Code of Practice for the Design and Construction of Reinforced Concrete Structures for the Storage of Liquids issued by The Institution of Civil Engineers (London) states that in order to obtain water-tightness "... it becomes necessary to superimpose on the ordinary requirements of design (i.e., structural considerations) the further consideration that the tensile stress in the concrete shall not attain that at which it may fail in tension, with some small margin of safety." The value of this allowable tensile stress is given as 175lb./sq.in. for concrete in direct tension.
This consideration results in very thick wall sections. For example, a two million gallon tank with 26-ft. water depth would have a maximum thickness of approximately 4ft. 0in. if all the water load is resisted by hoop tension, or 2ft. 6in. if portion of the load is carried by bending in the wall induced by lateral restraint applied at the base of the wall. All existing papers that could be found (published in English) dealing with the design of circular reinforced concrete tanks are based on the above assumption that the wall is uncracked.
In this paper a method of successive approximations is developed which can be applied to the design of circular tank walls with or without vertical cracks.

See also

Related Published resources

isRelated

  • 'Edward Noyes Prize - 1959 Award, and R. J. N. Franki Medal - 1959 Award', Journal of the Institution of Engineers, Australia, 31 (10-11) (1959), N74. Details

EOAS ID: bib/ASBS19082.htm

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