1005.03.2 Adhesive -Lubricant: The adhesive -lubricant shall
comply with ASTM D4070 and shall be from the Approved Materials List.
1005.04 Combination Joint Fo Rmer/Sealer.
1005.04.1 Description: This joint former/sealer is intended for use
in simultaneously forming and sealing a weakened plane in portland cement concrete pavements. The material shall consist of an elastomeric strip permanently bonded either mechanically or chemically at the top of each of two rigid plastic side frames or mechanically bonded at the top of the two rigid plastic side frames and covered with a removable plastic top cap. The side frames shall be of such configuration that when the sealer is inserted into fresh concrete and vibrated, a permanent bond forms between side frames and concrete.
1005.04.2 Material Re quirements:
1005.04.2 1 Elastomer: The elastomer strip portion of the
material shall be manufactured from vulcanized elastomeric compound using polymerized chloroprene as the base polymer, and shall comply with the requirements of Table 1005 -2.
1005.03.2 Adhesive -Lubricant: The adhesive -lubricant shall
comply with ASTM D4070 and shall be from the Approved Materials List.
1005.04 Combination Joint Fo Rmer/Sealer.
1005.04.1 Description: This joint former/sealer is intended for use
in simultaneously forming and sealing a weakened plane in portland cement concrete pavements. The material shall consist of an elastomeric strip permanently bonded either mechanically or chemically at the top of each of two rigid plastic side frames or mechanically bonded at the top of the two rigid plastic side frames and covered with a removable plastic top cap. The side frames shall be of such configuration that when the sealer is inserted into fresh concrete and vibrated, a permanent bond forms between side frames and concrete.
1005.04.2 Material Re quirements:
1005.04.2 1 Elastomer: The elastomer strip portion of the
material shall be manufactured from vulcanized elastomeric compound using polymerized chloroprene as the base polymer, and shall comply with the requirements of Table 1005 -2.
1005.03.2 Adhesive -Lubricant: The adhesive -lubricant shall
comply with ASTM D4070 and shall be from the Approved Materials List.
1005.04 Combination Joint Fo Rmer/Sealer.
1005.04.1 Description: This joint former/sealer is intended for use
in simultaneously forming and sealing a weakened plane in portland cement concrete pavements. The material shall consist of an elastomeric strip permanently bonded either mechanically or chemically at the top of each of two rigid plastic side frames or mechanically bonded at the top of the two rigid plastic side frames and covered with a removable plastic top cap. The side frames shall be of such configuration that when the sealer is inserted into fresh concrete and vibrated, a permanent bond forms between side frames and concrete.
1005.04.2 Material Re quirements:
1005.04.2 1 Elastomer: The elastomer strip portion of the
material shall be manufactured from vulcanized elastomeric compound using polymerized chloroprene as the base polymer, and shall comply with the requirements of Table 1005 -2.
1005.03.2 Adhesive -Lubricant: The adhesive -lubricant shall
comply with ASTM D4070 and shall be from the Approved Materials List.
1005.04 Combination Joint Fo Rmer/Sealer.
1005.04.1 Description: This joint former/sealer is intended for use
in simultaneously forming and sealing a weakened plane in portland cement concrete pavements. The material shall consist of an elastomeric strip permanently bonded either mechanically or chemically at the top of each of two rigid plastic side frames or mechanically bonded at the top of the two rigid plastic side frames and covered with a removable plastic top cap. The side frames shall be of such configuration that when the sealer is inserted into fresh concrete and vibrated, a permanent bond forms between side frames and concrete.
1005.04.2 Material Re quirements:
1005.04.2 1 Elastomer: The elastomer strip portion of the
material shall be manufactured from vulcanized elastomeric compound using polymerized chloroprene as the base polymer, and shall comply with the requirements of Table 1005 -2. Table 1005 -2 Elastomer for Combination Joint Former / Sealer Property ASTM Test Method Requirements Polymerized Chloroprene Thermoplastic Vulcanizate Tensile Strength, kPa, Min. D 412 12,400 7,400 Elongation at Break, % Min. D 412 200 400 Hardness, Shore A D 2240 65 ± 10 65 ± 10 Properties after Aging, 70 h @ 100°C D 573 Tensile Strength, % Loss, Max. 20 20 Elongation, % loss, Max. 25 25 Hardness, pts. increase, Max. 10 10 Ozone Resistance, 20% strain or bent loop, 300 pphm in air, 70 h @ 40°C D 1149 no cracks no cracks Oil Swell, IRM 903, 70 h@ 100°C, wt change, % Max. D 471 45 75
1005.04.2 2 Bond of Elastomer to Plastic: The force required
to shear the elastomer from the plastic shall be a minimum of 5.0 pounds per linear inch of sealer when tested in accordance with DOTD TR 636.
1005.04.2 3 Bond of Plastic to Cement Mortar: The force
required to separate the cement mortar from the plastic shall be a minimum of 5.0 pounds per linear inch of sealer when tested in accordance with DOTD TR 636.
1005.05 Fabricated Seals An D Troughs.
1005.05.1 Preformed Neoprene Joint Seal: Provide an extruded
neoprene material conforming to ASTM D2628 with the following exceptions:
1.Ozone resistance may be determined by the bent loop method.
2.Omit the recovery and the compression -deflection te sts.
1005.05.2 Preformed Silicone Joint Seal: Comply with Tables
1005 -3 and 1005 -4. Table 1005 -2 Elastomer for Combination Joint Former / Sealer Property ASTM Test Method Requirements Polymerized Chloroprene Thermoplastic Vulcanizate Tensile Strength, kPa, Min. D 412 12,400 7,400 Elongation at Break, % Min. D 412 200 400 Hardness, Shore A D 2240 65 ± 10 65 ± 10 Properties after Aging, 70 h @ 100°C D 573 Tensile Strength, % Loss, Max. 20 20 Elongation, % loss, Max. 25 25 Hardness, pts. increase, Max. 10 10 Ozone Resistance, 20% strain or bent loop, 300 pphm in air, 70 h @ 40°C D 1149 no cracks no cracks Oil Swell, IRM 903, 70 h@ 100°C, wt change, % Max. D 471 45 75
1005.04.2 2 Bond of Elastomer to Plastic: The force required
to shear the elastomer from the plastic shall be a minimum of 5.0 pounds per linear inch of sealer when tested in accordance with DOTD TR 636.
1005.04.2 3 Bond of Plastic to Cement Mortar: The force
required to separate the cement mortar from the plastic shall be a minimum of 5.0 pounds per linear inch of sealer when tested in accordance with DOTD TR 636.
1005.05 Fabricated Seals An D Troughs.
1005.05.1 Preformed Neoprene Joint Seal: Provide an extruded
neoprene material conforming to ASTM D2628 with the following exceptions:
1.Ozone resistance may be determined by the bent loop method.
2.Omit the recovery and the compression -deflection te sts.
1005.05.2 Preformed Silicone Joint Seal: Comply with Tables
1005 -3 and 1005 -4. Table 1005 -2 Elastomer for Combination Joint Former / Sealer Property ASTM Test Method Requirements Polymerized Chloroprene Thermoplastic Vulcanizate Tensile Strength, kPa, Min. D 412 12,400 7,400 Elongation at Break, % Min. D 412 200 400 Hardness, Shore A D 2240 65 ± 10 65 ± 10 Properties after Aging, 70 h @ 100°C D 573 Tensile Strength, % Loss, Max. 20 20 Elongation, % loss, Max. 25 25 Hardness, pts. increase, Max. 10 10 Ozone Resistance, 20% strain or bent loop, 300 pphm in air, 70 h @ 40°C D 1149 no cracks no cracks Oil Swell, IRM 903, 70 h@ 100°C, wt change, % Max. D 471 45 75
1005.04.2 2 Bond of Elastomer to Plastic: The force required
to shear the elastomer from the plastic shall be a minimum of 5.0 pounds per linear inch of sealer when tested in accordance with DOTD TR 636.
1005.04.2 3 Bond of Plastic to Cement Mortar: The force
required to separate the cement mortar from the plastic shall be a minimum of 5.0 pounds per linear inch of sealer when tested in accordance with DOTD TR 636.
1005.05 Fabricated Seals An D Troughs.
1005.05.1 Preformed Neoprene Joint Seal: Provide an extruded
neoprene material conforming to ASTM D2628 with the following exceptions:
1.Ozone resistance may be determined by the bent loop method.
2.Omit the recovery and the compression -deflection te sts.
1005.05.2 Preformed Silicone Joint Seal: Comply with Tables
1005 -3 and 1005 -4. Table 1005 -2 Elastomer for Combination Joint Former / Sealer Property ASTM Test Method Requirements Polymerized Chloroprene Thermoplastic Vulcanizate Tensile Strength, kPa, Min. D 412 12,400 7,400 Elongation at Break, % Min. D 412 200 400 Hardness, Shore A D 2240 65 ± 10 65 ± 10 Properties after Aging, 70 h @ 100°C D 573 Tensile Strength, % Loss, Max. 20 20 Elongation, % loss, Max. 25 25 Hardness, pts. increase, Max. 10 10 Ozone Resistance, 20% strain or bent loop, 300 pphm in air, 70 h @ 40°C D 1149 no cracks no cracks Oil Swell, IRM 903, 70 h@ 100°C, wt change, % Max. D 471 45 75
1005.04.2 2 Bond of Elastomer to Plastic: The force required
to shear the elastomer from the plastic shall be a minimum of 5.0 pounds per linear inch of sealer when tested in accordance with DOTD TR 636.
1005.04.2 3 Bond of Plastic to Cement Mortar: The force
required to separate the cement mortar from the plastic shall be a minimum of 5.0 pounds per linear inch of sealer when tested in accordance with DOTD TR 636.
1005.05 Fabricated Seals An D Troughs.
1005.05.1 Preformed Neoprene Joint Seal: Provide an extruded
neoprene material conforming to ASTM D2628 with the following exceptions:
1.Ozone resistance may be determined by the bent loop method.
2.Omit the recovery and the compression -deflection te sts.
1005.05.2 Preformed Silicone Joint Seal: Comply with Tables
1005 -3 and 1005 -4. Table 1005 -2 Elastomer for Combination Joint Former / Sealer Property ASTM Test Method Requirements Polymerized Chloroprene Thermoplastic Vulcanizate Tensile Strength, kPa, Min. D 412 12,400 7,400 Elongation at Break, % Min. D 412 200 400 Hardness, Shore A D 2240 65 ± 10 65 ± 10 Properties after Aging, 70 h @ 100°C D 573 Tensile Strength, % Loss, Max. 20 20 Elongation, % loss, Max. 25 25 Hardness, pts. increase, Max. 10 10 Ozone Resistance, 20% strain or bent loop, 300 pphm in air, 70 h @ 40°C D 1149 no cracks no cracks Oil Swell, IRM 903, 70 h@ 100°C, wt change, % Max. D 471 45 75
1005.04.2 2 Bond of Elastomer to Plastic: The force required
to shear the elastomer from the plastic shall be a minimum of 5.0 pounds per linear inch of sealer when tested in accordance with DOTD TR 636.
1005.04.2 3 Bond of Plastic to Cement Mortar: The force
required to separate the cement mortar from the plastic shall be a minimum of 5.0 pounds per linear inch of sealer when tested in accordance with DOTD TR 636.
1005.05 Fabricated Seals An D Troughs.
1005.05.1 Preformed Neoprene Joint Seal: Provide an extruded
neoprene material conforming to ASTM D2628 with the following exceptions:
1.Ozone resistance may be determined by the bent loop method.
2.Omit the recovery and the compression -deflection te sts.
1005.05.2 Preformed Silicone Joint Seal: Comply with Tables
1005 -3 and 1005 -4. Table 1005 -2 Elastomer for Combination Joint Former / Sealer Property ASTM Test Method Requirements Polymerized Chloroprene Thermoplastic Vulcanizate Tensile Strength, kPa, Min. D 412 12,400 7,400 Elongation at Break, % Min. D 412 200 400 Hardness, Shore A D 2240 65 ± 10 65 ± 10 Properties after Aging, 70 h @ 100°C D 573 Tensile Strength, % Loss, Max. 20 20 Elongation, % loss, Max. 25 25 Hardness, pts. increase, Max. 10 10 Ozone Resistance, 20% strain or bent loop, 300 pphm in air, 70 h @ 40°C D 1149 no cracks no cracks Oil Swell, IRM 903, 70 h@ 100°C, wt change, % Max. D 471 45 75
1005.04.2 2 Bond of Elastomer to Plastic: The force required
to shear the elastomer from the plastic shall be a minimum of 5.0 pounds per linear inch of sealer when tested in accordance with DOTD TR 636.
1005.04.2 3 Bond of Plastic to Cement Mortar: The force
required to separate the cement mortar from the plastic shall be a minimum of 5.0 pounds per linear inch of sealer when tested in accordance with DOTD TR 636.
1005.05 Fabricated Seals An D Troughs.
1005.05.1 Preformed Neoprene Joint Seal: Provide an extruded
neoprene material conforming to ASTM D2628 with the following exceptions:
1.Ozone resistance may be determined by the bent loop method.
2.Omit the recovery and the compression -deflection te sts.
1005.05.2 Preformed Silicone Joint Seal: Comply with Tables
1005 -3 and 1005 -4. Table 1005 -3 Preformed Silicone Joint Seal Properties Preformed Silicone Seal Property ASTM Test Method Value Durometer (Shore A) D2240 55 +/ - 5 Tensile Strength D412 1000 psi. minimum Elongation D412 400% minimum Tear Strength (Die B) D624 100 ppi. minimum Compression set at 212°F, 70 hrs. D395 30% maximum Heat Aged at 212°F, 70 hrs. Durometer (Shore A) D573 5 max. points loss Tensile Strength D573 10 max. % loss Elongation D573 10 max. % loss
U.V. Radiation Resistance C793 No cracking, ozone chalking or degradation The locking adhesive shall be non -sag, high modulus silicone adhesive conforming to the following specifications: Table 1005 -4 Adhesive Properties Adhesive Property ASTM Test Method Value Durometer (Shore A) C661 25 +/ - 5 Peel Adhesion to Substrates after 7 days water immersion C794 13 pli. Tensile Strength D412 200 psi. minimum Elongation D412 450% minimum Tack Free Time C679 30 minutes maximum Cure Time 1/4" Bead (through 1/4" thickness) at 75°F, 50%
R.H. C679 16 hours maximum
U.V. Radiation Resistance C793 No cracking, ozone chalking or degradation
1005.05.3 Fabricated Troughs and Membranes: Provide
troughs and membranes consisting of reinforced elastomeric virgin polychloroprene (neoprene) with excellent environmental resistance to weather, salts, chlorides, oxygen, ozone, ultraviolet radiation, water, and common roadway substances such as ga soline and products of combustion. Provide troughs and membranes having 1/4 inch minimum thickness. Elastomeric sheets shall be internally reinforced with synthetic or natural fabric. Fabric shall consist of either a single layer of 14.6 ounce woven ny lon fabric, or the equivalent in multiple layers of woven nylon fabric, laminated between two or more layers of neoprene. Conform to the following: Table 1005 -4 Adhesive Properties Adhesive Property ASTM Test Method Value Durometer (Shore A) C661 25 +/ - 5 Peel Adhesion to Substrates after 7 days water immersion C794 13 pli. Tensile Strength D412 200 psi. minimum Elongation D412 450% minimum Tack Free Time C679 30 minutes maximum Cure Time 1/4" Bead (through 1/4" thickness) at 75°F, 50%
R.H. C679 16 hours maximum
U.V. Radiation Resistance C793 No cracking, ozone chalking or degradation
1005.05.3 Fabricated Troughs and Membranes: Provide
troughs and membranes consisting of reinforced elastomeric virgin polychloroprene (neoprene) with excellent environmental resistance to weather, salts, chlorides, oxygen, ozone, ultraviolet radiation, water, and common roadway substances such as ga soline and products of combustion. Provide troughs and membranes having 1/4 inch minimum thickness. Elastomeric sheets shall be internally reinforced with synthetic or natural fabric. Fabric shall consist of either a single layer of 14.6 ounce woven ny lon fabric, or the equivalent in multiple layers of woven nylon fabric, laminated between two or more layers of neoprene. Conform to the following: Table 1005 -5 Elastomeric Sheet Properties Elastomeric Sheet Property ASTM Test Method Value Durometer (Shore A) D2240 60 +/ - 5 Tensile Strength D412 2000 psi. minimum Elongation at Break D412 250% minimum Heat Aged at 212°F, 70 hrs. Durometer (Shore A) D573 +10, -0 point change Tensile Strength D573 20 max. % loss Elongation at Break D573 20 max. % loss Tear Strength (Die C) D624 120 ppi. minimum Oil Swell at 212°F, 70 hrs. using ASTM Oil No. 3 Change in Weight D471 45 maximum % gain Change in Volume D471 120 maximum % gain Change in Tensile Strength D471 70 maximum % loss Change in Elongation at Break D471 55 maximum % loss Ozone Resistance at 100°F, 100 hrs., 100 PPHM Ozone, under 20% strain D1149 No cracks when tested with Method “B” Breaking Strength of Finished Fabric: Take sample transverse to trough centerline, or random sample from curtain. D5034 700 ppi. minimum
1005.06 Joint Materials for Transverse Expansion
JOINT (TYPE EJ -1 1/2 INCHES).
1005.06.1 Type EJ -1 1/2 Inches: System shall be an approved
product listed on the Approved Materials List and comply with ASTM D7174, Type I.
1005.06.2 Type E J-4 Inches: System shall comply with ASTM
D7174, Type I, with the following exceptions. The material shall be a preformed polyurethane (or other approved equal) foam, and the preformed cross section shall be semi -open cell, homogenous without lamination s.
Source: Louisiana Standard Specifications for Roads and Bridges, 2016 Edition. Pages 1034–1037 of 1,145.