ASTM C443M-05a

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Designation: C 443M – 05a
METRIC
Standard Specification for
Joints for Circular Concrete Sewer and Culvert Pipe, Using
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Rubber Gaskets [Metric]
This standard is issued under the fixed designation C 443M; 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 (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope C 478M Specification for Precast Reinforced Concrete
Manhole Sections [Metric]
1.1 This specification covers flexible watertight joints for
C 822 Terminology Relating to Concrete Pipe and Related
circular concrete sewer and culvert pipe and precast manhole
Products
sections, using rubber gaskets for sealing the joints, where
C 1619 SpecificationforElastomericSealsforJoiningCon-
infiltration or exfiltration is a factor in the design. The
crete Pipe
specification covers the design of joints and the requirements
for rubber gaskets to be used therewith, for pipe conforming in
3. Terminology
all other respects to Specification C 14M or Specification
3.1 Definitions: For definitions of terms relating to concrete
C 76M, and precast manhole section conforming in all other
pipe, see Terminology C 822.
respects to Specification C 478M, provided that if there is
conflict in permissible variations in dimensions the require-
4. Basis of Acceptance
ments of this specification for joints shall govern.
4.1 The acceptability of the pipe joints and gaskets shall be
1.2 This specification is the metric counterpart of Specifi-
determinedbytheresultsofthephysicaltestsprescribedinthis
cation C 443.
specification, if and when required, and by inspection to
NOTE 1—This specification covers the design and performance of the
determine whether the pipe joints and gaskets conform to this
rubber gasket joint only. Joints covered by this specification are normally
specification as to design and freedom from defects.
adequate for hydrostatic pressures up to 90 kPa (9 m) without leakage,
when tested per Section 9. Infiltration or exfiltration quantities for an
5. Materials and Manufacture for Gaskets
installed pipeline are dependent upon many factors other than the joints,
5.1 All rubber gaskets shall comply with Specification
and allowable quantities must be covered by other specifications and
suitable testing of the installed pipeline and system. C 1619 in terms of materials and manufacture. The gaskets
shall be extruded or molded to the specified size within a
2. Referenced Documents
tolerance of 6 6 % on any dimension, measured at any cross
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2.1 ASTM Standards: section.
C 14M Specification for Concrete Sewer, Storm Drain, and
6. Physical Requirements for Gaskets Physical Requirements
Culvert Pipe [Metric]
for Gaskets
C 76M Specification for Reinforced Concrete Culvert,
Storm Drain, and Sewer Pipe [Metric] 6.1 Standard Gasket Requirements—All rubber gaskets
shall meet the dimensions, tolerances, and physical require-
ments of Specification C 1619, Class C.
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This specification is under the jurisdiction of ASTM Committee C13 on
6.2 Oil Resistant Gasket Requirements—All rubber gaskets
Concrete Pipe and is the direct responsibility of Subcommittee C13.08 on Rubber
shall meet the dimensions, tolerances, and physical require-
Gaskets.
ments of Specification C 1619, Class D.
Current edition approved Oct. 1, 2005. Published October 2005. Originally
approved in 1980. Last previous edition approved in 2005 as C 433M – 05.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
7. Design of Joints
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
7.1 The manufacturer shall furnish the owner with the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. detailed design of the joint or joints including design and
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C 443M – 05a
durometer hardness of the rubber gasket proposed to be 8. Permissible Variations in Dimensions
furnished under this specification.
8.1 The planes formed by the ends of nonbeveled pipe shall
7.1.1 The joint design shall consist of a bell or groove on
not vary from the perpendicular to the pipe axis by more than
oneendofaunitofpipe,andaspigotortongueontheadjacent
5 mm for internal diameters 750 mm and smaller; or by more
end of the joining pipe.
than 6 mm for internal diameters 825 to 1350 mm inclusive; or
7.1.2 All surfaces of the joint upon or against which the
not more than 10 mm for internal diameters 1500 mm and
gasket is capable of bearing shall be
...