1005.01 Preformed Joint Fillers.
1005.01.1 Resilient Bituminous Types: Comply with AASHTO
M 2l3.
1005.01.2 Wood Fillers: Bottom boards shall be clear heart
redwood. Top boards shall be any type of wood which is free from defects and meets dimensional requirements. Occasional medium surface checks will be permitted provided the board is free of defects that will impair its usefulness. Boards shall not vary from specified dimensions in excess of the following tolerances: Tolerance, inches Tolerance, mm Thickness -0, +1/16 -0, +2 Depth ±1/8 ±3 Length ±1/4 ±6 The load required to compress the material in an oven -dry condition to 50 percent of its original thickness shall not exceed 1750 psi (12 MPa).
1005.01.3 Bituminous Type: Comply with ASTM D994.
1005.01.4 Asphalt Ribbon: Filler shall consist of preformed strips
of bitumen and inert filler material conforming to the following requirements: Thickness, mm 3-5 Depth tolerance, mm ±3 Weight, kg/100 sq m, Min. 245 Tensile Strength, kg/100 mm width, Min. 90 Bitumen, % by wt (ASTM D545), Min. 60 The tensile strength is determined by pulling a 25-by-150-mm sample at a 500-mm/min separation rate. This material shall be resistant to cracking, tearing, or permanent deformation under normal handling and installation procedures. It shall be sufficiently rigid to enable it to form a straight joint. Backer material of the appropriate size shall comply with ASTM D5249, Type 3.
1005.01.5 Closed Cell Polyethylene Joint Filler: Comply with
ASTM D7174, Type I. This material shall be used with an adhesive- lubricant. Joint fillers and adhesive-lubricants shall be from the Approved Materials List.
1005.01.6 Rubber: Comply with AASHTO M 153, Type IV.
1005.02 POURED AND EXTRUDED JOINT SEALANT. Provide all
materials in containers labeled with the name and address of the manufacturer, the trade name of the sealant, classification of the sealant (i.e., non-sag or self-leveling), batch number, manufacture date, and expiration date.
1005.02.1 Hot Poured Rubberized Asphalt Type: Comply with
ASTM D6690, Type II. The sealant shall be from the Approved Materials List. Backer materials of the appropriate size shall comply with ASTM D5249, Type I.
1005.02.2 Polyurethane Sealants: The system shall be either a
1- or 2-component, pourable or extrudable sealant, with required primers and backer material. It shall cure to a solid rubber-like material able to withstand both tension and compression. Sealant shall comply with the requirements of Table 1005-1. The system shall be from the Approved Materials List. A backer material of the appropriate size shall comply with ASTM D5249, Type 2 without the heat resistant requirement or Type 3. Table 1005-1 Polyurethane Sealants Property Test Method Requirement Flow @ 60°C, 5 hr., mm, Max ASTM D5329 3.0 Tack-Free Time, h, Max ASTM C679 72 Bond, Defects, mm, Max ASTM D5893 6.0 Resilience, %, Min. ASTM D5329 75 Ball Penetration ASTM D5329 5 – 20 Resilience (after heat aging @ 70 +/ - 1°C for 24 +/- 2h), %, Min. ASTM D5329 75 Artificial Weathering ASTM D5893 Pass Ozone Resistance (Exposure to 100 pphm ozone for 100 h @ 40°C, sample under 20% strain or bent loop) ASTM D1149 No Cracks Weight (mass) Loss, %, Max. ASTM C792 10 Infrared Charts DOTD TR610 Activator Pass Base Pass 1All specimens shall be cured at standard laboratory conditions for a minimum of 72 hours prior to beginning any test.
1005.02.3 Silicone Sealant (Single Component): Comply with
ASTM D5893. The system shall be from the Approved Materials List.
1005.02.4 Silicone Sealant (Two Component - Rapid Cure):
Comply with ASTM D5893 and meet the requirements for single component sealants when mixed and prepared in accordance with the manufacturer's recommendations. The system shall be from the Approved Materials List. A backer material of the appropriate size shall conform to ASTM D5249, Type 3.
1005.03 Preformed Elastomeric Compression Joint
SEALS.
1005.03.1 Seals: The system shall be from the Approved Materials
List. The uncompressed depth of the seal shall be equal to or greater than the uncompressed width of the seal. The actual width of the seal shall not be less than the nominal width of the seal. The system shall comply with ASTM D2628, except that the ozone resistance may be determined by the bent loop test method.
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 Former/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 Requirements:
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 and Troughs.
1005.05.1 Preformed Neoprene Joint Seal: Provide an extruded
neoprene material conforming to ASTM D2628 with the following exceptions:
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
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 gasoline 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 nylon 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 EJ-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 laminations. The load required to compress test specimens by 25 percent (to 75 percent of original thickness) shall not be less than 3 psi (21 kPa). Dimensional tolerances shall be: Tolerance, inches (mm) Thickness: +/- 5% (+/- 5%) Depth: +/- 0.4 (+/- 10) Length: +3.0, -0 (+80, -0) The cross section shape shall allow easy installation in the pavement joint with parallel sides and shall be sufficiently self -locking to prevent the material from floating out of the joint. The molded polyurethane foam shall be free of defects and internal voids greater than 1/2 inch (13 mm). When the joint filler is used to form the joint, the self -locking feature will not be required and the joint filler will extend full depth. Use lubricant-adhesive recommended by the joint filler manufacturer and apply according to the manufacturer's directions.
1005.07 Waterstops.
1005.07.1 Copper Waterstops: Comply with ASTM B370, soft
temper.
1005.07.2 Polyvinyl Chloride (PVC) Waterstops: Comply with
1005.07.3 Rubber Waterstops: Comply with U. S. Army Corps of
Engineers’ Specification CRD-C 513.
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