ASTM C505-05a

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Designation: C505 – 05a
Standard Specification for
Nonreinforced Concrete Irrigation Pipe with Rubber Gasket
1
Joints
This standard is issued under the fixed designation C505; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
TABLE 1 Standard Dimensions, Working Pressures, and Test
1. Scope
Requirements
1.1 This specification covers nonreinforced concrete pipe
Required Minimum
Internal
with rubber gasket joints to be used for the conveyance of
Wall Working Hydrostatic Three-Edge-
Designated
A B
irrigation water with working pressures, including hydraulic
Thickness, Pressure, Test Bearing
Diameter,
C
in. ft Pressure, Load,
transients, as shown in Table 1.
in.
psi lbf/linear ft
1.2 Acomplete metric companion to Specification C505 has
3
6 ⁄4 30 40 1300
been developed—C505M; therefore, no SI equivalents are
8 1 30 40 1350
presented in this specification. 1
10 1 ⁄4 30 40 1400
1
12 1 ⁄2 30 40 1500
NOTE 1—This specification is for manufacturing and purchase only and 7
15 1 ⁄8 30 40 1650
1
does not include requirements for bedding, backfill, installation, or field
18 2 ⁄4 30 40 1800
5
21 2 ⁄8 30 40 1900
repairs.Theowneriscautionedthathemustcorrelatefieldconditionswith
24 3 30 40 2000
the characteristics of the pipe specified and provide inspection during
A
installation.
Thinner walls are not prohibited on pipe units not over 4 ft in length, but the
thickness of such walls shall not be less than the internal diameter divided by 10.
B
With the exception of 21 and 24-in. pipe, higher working pressures are not
2. Referenced Documents
prohibited to be used up to a maximum of 50 ft for 6 through 12-in. diameters, and
2
2.1 ASTM Standards:
40 ft for 15 through 18-in. diameters. In these cases the strength of the pipe shall
be increased to give minimum internal hydrostatic test pressures of at least three
C33 Specification for Concrete Aggregates
times the design working pressure when tested as specified in 10.4.
C150 Specification for Portland Cement
C
For hydrostatic test requirements, refer to 10.4.
C497 TestMethodsforConcretePipe,ManholeSections,or
Tile
D573 Test Method for Rubber—Deterioration in an Air
C595 Specification for Blended Hydraulic Cements
Oven
C618 Specification for Coal Fly Ash and Raw or Calcined
D1149 Test Methods for Rubber Deterioration—Cracking
Natural Pozzolan for Use in Concrete
in an Ozone Controlled Environment
C822 Terminology Relating to Concrete Pipe and Related
D1415 Test Method for Rubber Property—International
Products
Hardness
C989 Specification for Slag Cement for Use in Concrete
D2240 Test Method for Rubber Property—Durometer
and Mortars
Hardness
C1116 Specification for Fiber-Reinforced Concrete and
Shotcrete
3. Terminology
D395 Test Methods for Rubber Property—Compression Set
3.1 Definitions—For definitions of terms relating to con-
D412 Test Methods for Vulcanized Rubber and Thermo-
crete pipe, see Terminology C822.
plastic Elastomers—Tension
D471 Test Method for Rubber Property—Effect of Liquids
4. Classification
4.1 Pipe manufactured in accordance with this specification
shallbeknownas“StandardNonreinforcedConcreteIrrigation
1
This specification is under the jurisdiction of ASTM Committee C13 on
Pipe with Rubber Gasket Joints.”
Concrete Pipe and is the direct responsibility of Subcommittee C13.01 on
Reinforced Concrete Sewer, Drain, and Irrigation Pipe.
5. Basis of Acceptance
Current edition approved Dec. 1, 2005. Published January 2006. Originally
5.1 The acceptability of the pipe, joint design, and gaskets
approved in 1963. Last previous edition approved in 2005 as C505 – 05. DOI:
10.1520/C0505-05A.
shall be determined by the results of the tests prescribed in this
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
specification, if and when required, and by inspection to
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
determine whether the pipe and gaskets conform to the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. specification as to design and freedom from defects.
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1

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C505 – 05a
6. Materials and Manufacture
Hardness, International Rubber Hardness 40 to 60
A
Degrees or Durometer
6.1 Concrete—The concrete shall consist of cementitious
Compression set, max, % 25
materials.
Water absorption, % 10
Ozone resistance no cracks in accordance
6.2 Cementitious Materials:
with Test Method D1149
6.2.1 Cement—Cement shall conform to the
...