ASTM C1644-06(2011)
(Specification)Standard Specification for Resilient Connectors Between Reinforced Concrete On-Site Wastewater Tanks and Pipes
Standard Specification for Resilient Connectors Between Reinforced Concrete On-Site Wastewater Tanks and Pipes
ABSTRACT
This specification covers the minimum performance and material requirements for resilient connectors used for connections between reinforced concrete tanks used for septic effluent treatment/detention. All materials shall be suitable for use in sanitary sewage applications. Each connector design shall be tested in accordance with the requirements specified. The following test methods shall be performed: straight alignment; axial deflection; and shear loading.
SCOPE
1.1 This specification covers the minimum performance and material requirements for resilient connectors used for connections between reinforced concrete tanks used for septic effluent treatment/detention, including those referenced in Specifications C913 and C1227.
1.1.1 These connectors are designed to eliminate leakage between the pipe(s) and tank.
1.2 A complete metric companion to Specification C1644 has been developedC1644M; therefore, no metric equivalents are presented in this specification.
Note 1—This specification covers the design, material, and performance of the resilient connection only. Connections covered by this specification are adequate for hydrostatic pressures up to 5 psi (11.5 ft) without leakage when tested in accordance with Section 7. Infiltration or exfiltration quantities for an installed system are dependent upon many factors other than the connectors between tanks and pipes, and allowable quantities must be covered by other specifications and suitable testing of the installed pipe and system.
1.3 The following precautionary caveat pertains only to the test methods portion, Section 7, of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:C1644 −06 (Reapproved 2011)
Standard Specification for
Resilient Connectors Between Reinforced Concrete On-Site
Wastewater Tanks and Pipes
This standard is issued under the fixed designation C1644; 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.
1. Scope C913 Specification for Precast Concrete Water and Waste-
water Structures
1.1 This specification covers the minimum performance and
C1227 Specification for Precast Concrete Septic Tanks
material requirements for resilient connectors used for connec-
D395 Test Methods for Rubber Property—Compression Set
tions between reinforced concrete tanks used for septic effluent
D412 Test Methods forVulcanized Rubber andThermoplas-
treatment/detention, including those referenced in Specifica-
tic Elastomers—Tension
tions C913 and C1227.
D471 Test Method for Rubber Property—Effect of Liquids
1.1.1 These connectors are designed to eliminate leakage
D543 Practices for Evaluating the Resistance of Plastics to
between the pipe(s) and tank.
Chemical Reagents
1.2 A complete metric companion to Specification C1644
D573 Test Method for Rubber—Deterioration in an Air
has been developed—C1644M; therefore, no metric equiva-
Oven
lents are presented in this specification.
D624 Test Method for Tear Strength of Conventional Vul-
NOTE 1—This specification covers the design, material, and perfor-
canized Rubber and Thermoplastic Elastomers
mance of the resilient connection only. Connections covered by this
D746 Test Method for Brittleness Temperature of Plastics
specification are adequate for hydrostatic pressures up to 5 psi (11.5 ft)
and Elastomers by Impact
without leakage when tested in accordance with Section 7. Infiltration or
exfiltration quantities for an installed system are dependent upon many
D883 Terminology Relating to Plastics
factors other than the connectors between tanks and pipes, and allowable
D1149 Test Methods for Rubber Deterioration—Cracking in
quantities must be covered by other specifications and suitable testing of
an Ozone Controlled Environment
the installed pipe and system.
D1566 Terminology Relating to Rubber
1.3 The following precautionary caveat pertains only to the
D2240 Test Method for Rubber Property—Durometer Hard-
test methods portion, Section 7, of this specification. This
ness
standard does not purport to address all of the safety concerns,
if any, associated with its use. It is the responsibility of the user
3. Terminology
of this standard to establish appropriate safety and health
3.1 Definitions:
practices and determine the applicability of regulatory limita-
3.1.1 Terms relating to plastics and rubber shall be as
tions prior to use.
defined in Terminologies D883 and D1566, respectively.
2. Referenced Documents 3.1.2 Terms relating to precast concrete tanks, and related
2 products shall be as defined in Terminology C822 and as
2.1 ASTM Standards:
modified in 3.1.3 – 3.1.5.
A240/A240M Specification for Chromium and Chromium-
3.1.3 connector—the entire assembly including resilient
Nickel Stainless Steel Plate, Sheet, and Strip for Pressure
seals and metallic or nonmetallic mechanical devices, if any,
Vessels and for General Applications
used therein.
C822 Terminology Relating to Concrete Pipe and Related
3.1.4 pipe—the inlet or outlet pipe connected to the tank.
Products
3.1.5 pipe stub—a short section of pipe, installed in the
1 structure as an inlet or outlet pipe, for future connection.
This specification is under the jurisdiction ofASTM Committee C27 on Precast
ConcreteProductsandisthedirectresponsibilityofSubcommitteeC27.30onWater
and Wastewater Containers.
4. Materials and Manufacture
Current edition approved May 1, 2011. Published June 2011. Originally
4.1 All materials shall be suitable for use in sanitary sewage
approved in 2006. Last previous edition approved in 2006 as C1644 – 06. DOI:
10.1520/C1644-06R11.
applications.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
4.1.1 Resilient Materials—Resilient materials for connec-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
tors shall be manufactured from natural or synthetic materials
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. and shall conform to the requirements prescribed in Table 1
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C1644−06 (2011)
TABLE 1 Resilient Material Tests
A
Test Test Requirements ASTM Test Method
Chemical Resistance
1 N sulfuric acid No weight loss D543, at 22°C for 48 h
1 N hydrochloric acid No weight loss
Tensile strength 1000 psi, min D412
Elongation at break 350 %, min
B
Hardness ±5 from manufacturer’s specified hardness D2240 (Type A Durometer)
Accelerated oven-aging Decrease of 15 %, max, of original tensile strength, D573, 70 ± 1°C for 7 days
Decrease of 20 %, max, of original elongation
Compression set Decrease of 25 %, max, of original deflection D395, method B, at 70°C for 22 h
Water absorption Increase of 10 %, max, of original by weight D471, immerse 0.75 by 2 in. specimen
in distilled water at 70°C for 48 h
Ozone resistance Rating 0 D1149
Low-temperature brittle point No fracture at –40°C D746
Tear resistance 150 lbf/in., min. D624, Die B
A
Specimens shall be prepared from connector specimens, and shall not be prepared from laboratory slabs or by direct molding.
B
The connector manufacturer shall select the hardness appropriate for each component of the connector. Thereafter, the hardness shall comply within the tolerances in
Table 1.
and 4.1. If a splice is used in the manufacture of the seal, its 6.3 When requested, a current certification shall be fur-
strength shall be such that the splice can withstand a 180° bend nishedasthebasisofacceptance.Thecertificationshallconsist
with no visible separation. of the connector manufacturer’s test report, or statement by the
4.1.2 Mechanical Devices—Expansion rings, tension bands, manufacturer, accompanied by a copy of the test results, that
and take-up devices used for mechanically compressing the the resilient connector has been tested and inspected in
resilient portion of the connector against the pipe, or tank shall accordance with the provisions of Table 1 and Section 7.
NOTE 3—Certification shall be deemed current, if it represents present
be made from a material or materials in combination that will
design, and bears a date that is no more than five years older than the
ensure durability, strength, resistance to corrosion, and have
current date.
properties that will ensure continued resistance to leakage. All
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