ASTM C75-56

Specification for Reinforced Concrete Sewer Pipe (Withdrawn 1956)

General Information

• Status: Withdrawn
• Technical Committee: C13 - Concrete Pipe
• Drafting Committee: C13.01 - Non-Reinforced Concrete Sewer, Drain and Irrigation Pipe

Standards Content (Sample)

Standard Specifications for
REINFORCED CONCRETE SEWER PIPE'
ASTM Designation: C 75 - 56
1
AnoPTBD, 1935; Rmvrsxo, 1941, 1952, 1954, 1955, 1956.
This Sta.ndartl of the Americ11;n Society for Tr.sting Material! ls lasued .under
the fixed designation C 75; tb e 6m1l number indicate. the year of original
Adoption as 1tandard or, in the cue of revision, the year of last revision.
Scope
MATERIALS
1. T liese specifications .cover . rein­ Reinforced Concrete
forced concrete pipe intended to be used
4. The reinforced concrete shall con­
for the conveyance of sewage, industrial
sist of portland cement, mineral aggre­
wastes, and storm water.
gates, and water, in which .steel bas been
embedded in such a manner that the steel
Clase
and the concrete act together.
2. Pipe manufactured according to
Cement
these specifications shall be known as
"Standard Reinforced Concrete Sewer
5. Portland cement shall conform to
Pipe."
the requirements of the Specifications
for Portland Cement (ASTM Designa­
Basis of Acceptance
tion: C 150),' or shall be air-entraining
3. The acceptability of the pipe. shall portla.nd cement conforming to the re­
be determined by the results of the quirements of the Specifi.cations for Air­
strength end absorption tests prescribed Ent~ining Portland Cement (AsTM
1
in these specin.cations, if .and when re- ' Designation: C 175), .Qr shall be port­
quired, and by inspection to deterinh1e land bl8.st-fumace slag cement conform­
whether the pipe conforms to these ing to the requirements of the Specifica­
specificatio1?5 as to design and freedom tions for Portland Blast-Furnace Slag
1
from defects. Ce~nt (ASrM Designation: C 205).
1
Under the etandardiaation procedure of the
Steel Reinforcement
Society, these 11pemfieation1 are under t he jurlt­
diotion of tho ASTM Committee C-13 on Con­
6. ReinfQrcemen~ may consist of wire
crete Pipo,
• Appeai. in this publication, - Contents
•Prior to adoption u 11tand&rd, these apooili­
in Numorio St!quence of ASTM D calanatlons at
cations wero published aa ten~tive from 1930 to
front of book.
1935, beint revi11ed in 1{)34 and ·19311.
67
A "tentatlTO revlalon•• of thla standard appears on p. 322.

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68 SPECIFICATIONS FOR REINFORCED CONCRETE SEWER PIPE (C 75 - 56)
such pipe shall conform to the same
conforming to the Specifications for
physical tests and inspection require­
Cold-Drawn Steel Wire for Concrete
ments prescribed in these specifications
Reinforcement (ASTM Designation: A
4
for the pipe for which it is substituted.
82), or of wire fabric conforming to the
In no alternate design, however,. shall
Specifications for Welded Steel Wire
the shell thickness be less than that
Fabric for Concrete Reinforcement
5
prescribed in Table I.
(ASTM Designation: A 185), or of bars
of structural or intermediate grade con­
Placing Reinforcement
forming to the Specifications for Billet­
11. When two lines of reinforcement
Steel Bars for Concrete Reinforcement
4
are used in circular pipe, one shall be
(ASTM Designation: A 15).
placed near the inner and one near the
Aggregates
outer surfaces of the pipe. When a
7. Aggregates shall conform to the single line of circular reinforcement is
Specifications for Concrete Aggregates used in circular pipe, it shall be placed
3
(ASTM Designation: C 33), except that near the inner surface of the pipe shell.
the requirement for gradation shall not The single line of elliptical reinforcement
apply. used in circular pipe, or the single line of
circular reinforcement in elliptical pipe
Mixture
shall be placed near the inner surface at
the "top" and "bottom" of the pipe and
8. The aggregates shall be so sized and
near the outer surface at the sides (see
so graded and proportioned and thor­
Section 33 ( d)). ·
oughly mixed in a batch mixer with such
proportions of cement and water as will
Longitudinals
produce a homogeneous concrete mixture
of such quality that the pipe will con­ 12. Each line of circumferential rein­
form to the test and design requirements forcement shall be assembled into a cage
of these specifications. Admixtures or which shall contain sufficient longitu­
blends may be used with the approval of dinal bars or members, extending
the consumer. In no case, however, shall through the barrel of the pipe, to main­
the proportion of portland cement in the tain the reinforcement rigidly in exact
mixture be less than six U. S. standard shape and correct position within the
bags (94 lb) per cubic yard of concrete. form.
Laps, Welds, and Spacing
DESIGN
13. If the splices are not welded, the
Minimum Designs
reinforcement shall be lapped not less
9. The shell thickness and the amount
than 30 diameters for bars, and 40 di­
of circumferential reinforcement shall
ameters for cold~drawn wire. If welded,
be not less than the minimum design
the member at either a welded splice or
requirements prescrib
...