02440.00 1098 Section 02440 - Joint Materials Description
02440.00 Scope - This Section includes the requirements for joint fillers, seals, gaskets and water
stop for concrete pipe joints, manhole section joints, bridge joints, and miscellaneous concrete applications. Materials
02440.10 Preformed Joint Fillers for Concrete - Furnish preformed joint fillers for concrete from
the QPL conforming to the requirements of AASHTO M 153 or AASHTO M 213.
02440.11 Poured Joint Sealant - Furnish a two-com ponent, low modulus, rapid -cure joint sealant
from the QPL.
02440.14 Backer Rod - Furnish a closed-cell, non- gassing foam material backer rod from the QPL.
02440.15 Lubricant/Adhesive - Furnish a lubricant/adhesive conforming to AS TM D4070 and
according to the recommendations of the seal manufacturer.
02440.19 Steel Bridging Plate - Furnish ASTM A36 steel bridging plate with a minimum thickness
of 1/4 inch and a width of 8 inches, cut in lengths of 4 to 8 feet. Drill spike holes at 12 inch centers along the centerline of the plate.
02440.20 Strip Seals - Furnish strip seals from the QPL and conforming to ASTM D5973.
02440.21 Elastomeric Concrete - Furnish elastomeric concrete from the QPL.
02440.22 Preformed Compression Joint Seal - Furnish preformed compression joint seals from
the QPL and conforming to the requirements of AASHTO M 297.
02440.23 Precompressed Foam Silicone Joint Seal - Furnish precompressed foam silicone joint
seals from the QPL.
02440.30 Hot Applied Joint Sealant - Furnish hot applied joint sealant from the QPL .
02440.40 Gaskets for Concrete Pipe and Precast Manhole Section Joints:
a.Preformed Flexible Joint Sealant - Furnish Material s for tongue and groove or key lock manhole joints conforming to the requirements of ASTM C990.
b.Rubber Gaskets - Furnish Material s for O -ring manhole and concrete pipe joints conforming to ASTM C443.
02440.50 Joint Materials for Concrete Precast Manhole Section Joints:
a.Mortar - Furnish mortar conforming to the requirements of ASTM C387, or proportioned one part Type II portland cement to two parts clean, well -graded Sand passing a No. 6 screen. Admixtures may be used not exceeding the following percentages by weight of cement: Hydrated lime ...............................................................................................10% Diatomaceous earth or other inert materials ................................................. 5% 02440.80 1099 The consistency of the mortar shall be such that it will readily adhere to the precast concrete if using the standard tongue-and -groove type joint.
b.Non -Epoxy (Non -Shrink) Grout - Furnish a non- epoxy (non- shrink) grout according to 02080.30. Place or pack non-epoxy (non-shrink ) grouts only with the use of a non -epoxy bonding agent according to 02070.20, applied to all cured concrete surfaces being grouted. Use a bonding agent compatible with the grout used.
02440.60 Plastic Compound for Precast Manhole Section Joints - Furnish a plastic compound
that is specifically manufactured for the intended use and: • Has a putty -like, preformed homogeneous blend of hydrocarbon resins and rubber or plasticizing materials with not more than 50 percent by weight of inert mineral filler. • Is pliable at temperatures between 32 °F and 135 ° F. A specimen at 77 °F and 1/2 inch square in Cross Section shall stretch at least 1 1/2 inches before rupture when tested with the apparatus described in ASTM D113. • Adheres firmly and cohesively to the precast manhole sections when the compound-sealed joint is flexed to its maximum extent. • Includes a primer solution recommended by the compound manufacturer. • Conforms with Federal Spe cification SS -S-00210 (GSA -FSS).
02440.70 Water Stop - Furnish either plastic or rubber water stop, as the Contractor elects,
manufactured to the dimensions shown and meeting the following requirements:
a.Plastic - Polyvinyl chloride water stop shal l be manufactured from virgin polyvinyl chloride (PVC) compound. No reclaimed PVC will be allowed. The water stop shall have the following properties: ASTM Test Specification Test Method (Minimum) Tensile Strength, psi D 412 1,800 Elongation, % D 412 350 100% Modulus, psi D 412 760 Low Brittle Temperature D 746 - 50 °F Cold Bend Test 1 No Failures 1 Samples maintained at -70 °F for 2 hours, then bent quickly around a 1/4 inch mandrel to 180 degrees.
b.Rubber - Provide rubber water stops to the dimension shown and conforming to the requirements of ASTM C923, ASTM C1478, or ASTM F2510 as appropriate for the specific Structure and pipe types.
02440.80 Acceptance - Acceptance of joint Material s will be according to 00165.35 and this Secti on.
Joint Materials in other states
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Source: Oregon Standard Specifications for Construction, 2024 Edition. Pages 1164–1165 of 1,268. View official source ↗