ASTM D5973-97(2003)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: D 5973 – 97 (Reapproved 2003)
Standard Specification for
Elastomeric Strip Seals with Steel Locking Edge Rails Used
in Expansion Joint Sealing
This standard is issued under the fixed designation D 5973; 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.
1. Scope D 471 Test Method for Rubber Property-Effects of Liquids
D 518 Test Method for Rubber Deterioration—Surface
1.1 This specification covers the material requirements for
Cracking
preformed elastomeric strip seals and the corresponding steel
D 573 TestMethodforRubber-DeteriorationinanAirOven
locking edge rail used in expansion joint sealing. The scope of
D 1149 Test Method for Rubber Deterioration—Surface
this specification is limited to preformed non-reinforced strip
Ozone Cracking in a Chamber
seals that mechanically lock into structural steel locking lugs.
D 2240 Test Method for Rubber Property—Durometer
The sealing element can consist of a single layer strip or have
Hardness
multiple webs depending on individual project requirements.
D 2628 Specification for Performed Polychloroprene Elas-
The structural steel locking edge rail shall be anchored into the
tomeric Joint Seals for Concrete Pavements
structure in accordance with the purchaser’s specific details.
D 4070 Specifications for Adhesive Lubricant for Installa-
While the scope of this specification is limited to the materials
tion of Preformed Elastomeric Bridge Compression Seals
used in fabrication of strip sealing systems, it is recommended
in Concrete Structures
that a practical means of testing the watertightness aspects of
2.2 Other Document.
the individual systems either in the field or at a testing
FHWA TechnicalAdvisoryT5140.22UncoatedWeathering
laboratory be developed. When used on highway bridges,
Steel in Structures
limits on maximum joint opening and minimum steel thick-
nesses need to be addressed.
3. Terminology
1.2 The values stated in the inch-pound system shall be
3.1 Acronyms:
considered as standard.
3.2 AICS, n—American Institute of Steel Construction
2. Referenced Documents 3.3 AWS, n—American Welding Society
2 3.4 FHWA, n—Federal Highways Administration
2.1 ASTM Standards:
3.5 RMA, n—Rubber Manufacturers Association
A 36/A 36M Specification for Carbon Structural Steel
A 572/A 572M Specification for High-Strength, Low-Alloy
4. Materials and Manufacture
Columbium-Vanadium Structural Quality
4.1 The seals shall be preformed and manufactured from an
A 588/A 588M Specification for High-Strength, Low-Alloy
elastomeric compound.
Structural Steel with 50 ksi (345 MPa) Minimum Yield
4.2 The locking edge rail shall be manufactured from
Point to 4 in. (100-mm) Thick
structural steel.
D 395 Test Methods for Rubber Property—Compression
4.3 Theadhesive-lubricantusedtoinstallthepreformedseal
Set
into the steel locking edge rail shall be a one part moisture
D 412 Test Methods for Vulcanized Rubber and Thermo-
curing polyurethane compound. The watertightness of the seal
plastic Elastomers—Tension
shall not depend on the adhesive.
1 5. Physical Properties
This specification is under the jurisdiction of ASTM Committee D04 on Road
and Paving Materials and is the direct responsibility of Subcommittee D04.34 on
5.1 The elastomeric seals shall conform to the physical
Preformed Joint Fillers, Sealers and Sealing Systems.
properties prescribed in Table 1.
Current edition approved Dec. 1, 2003. Published December 2003. Originally
approved in 1997. Last previous edition approved in 1997 as D 5973 – 97.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on Available from the Federal Highway Administration, Bridge Division, 400 7th
the ASTM website. Street SW, Washington, DC 20590.
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D 5973 – 97 (2003)
TABLE 1 Physical Properties for Preformed Elastomeric Strip
are greater than 5 % of the thickness of the steel at their
Seals
location. The steel cavity in contact with the elastomeric seal
Property Requirement ASTM Test Method
shall be free from dirt or other debris.
Tensile strength, min psi (MPa) 2000 (13.8) D 412
Elongation at break, min % 250 D 412 8. Sampling
A
Hardness, Type A durometer, points 60 6 5 D 2240 (modified)
8.1 A lot shall consist of the quantity of elastomeric seal
Oven aging, 70 h at 212°F (100°C) D 573
Tensile strength, loss, max % 20 agreed upon by the purchaser and the producer or supplier.
Elongation, loss max % 20
8.2 Samplesoftheelastomericsealshallbetakenatrandom
Hardness, Type A durometer, points 0to+10
from each shipment of material. If the shipment consists of
change
Oil swell, IRM 903 D 471 more than one lot, a sample from each lot shall be taken.
70 h at 212°F (100°C)
8.3 A minimum of 4 linear ft (1.2 m) of elastomeric seal
weight change, max % 45
B shall constitute one sample for testing purposes.
Ozone resistance D 1149
20 % strain, 300 pphm in air,
70 h at 104°F (40°C) No Cracks 9. Specimens Preparation
Low temperature stiffening D 2240
9.1 Preformed elastomeric seal specimens shall be prepared
7 days at +14°F (–10°C)
Hardness, Type A durometer,
in accordance with the prescribed methods in Specification
points change 0 to +15
D 2628.
Compression set, 70 h at 212°F D 395 Method B
(100°C), max % 35
10. Test Methods
A
The term “modified” in the table relates to the specimen preparation. The use
10.1 Determine compliance with the requirements of Table
of the strip seal a
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