3702Preformed Joint Fillers

3702.1SCOPE

Provide preformed filler Material for joints in concrete construction.

3702.2REQUIREMENTS

Provide preform joint filler Material listed on the APL. Provide the following types of preformed joint filler Material:

Preformed Sponge Rubber and Cork Expansion Joint Fillers for Concrete Paving and Structural Construction

Standard Specification for Preformed Closed-Cell Polyolefin Expansion Joint Fillers for Concrete Paving and Structural Construction

Specification for Preformed Expansion Joint Fillers for Concrete Paving and Structural Construction (Nonextruding and Resilient Bituminous Types)

requirements of ASTM D1752, Standard Specification for Preformed Sponge Rubber, Cork and Recycled PVC Expansion Joint Fillers for Concrete Paving and Structural Construction or Recycled Rubber and Table 3702.2-1, “Preformed Joint Filler Requirements. Provide the filler for each joint in a single piece for the full depth and width required for the joint unless otherwise approved by the Engineer. For pavement construction, provide filler in lengths equal to the width of the pavement lanes. Use 1/4 inch thick Type F joint filler material as a separation material between sidewalk and back of curb. Provide preformed filler Material meeting the requirements of Table 3702.2-1. Table 3702.2-1 Preformed Joint Filler Requirements Properties Type A B C D-1 D-2 E F Compression 50-1500 psi * 50-1500 psi * 50-1500 psi * 5-300 psi ‖ 30-60 psi * 100-750 psi * 50-1500 psi * Recovery > 90 percent > 90 percent > 90 percent > 95 percent > 80 percent > 70 percent > 90 percent Extrusion < 0.25 inches < 0.25 inches < 0.25 inches < 0.5 inches < 0.25 inches < 0.25 inches < 0.25 inches Density † - - > 30 pounds / cubic feet - > 3.5 pounds / cubic feet > 19 pounds / cubic feet > 50 pounds / cubic feet Water Absorption - - - - < 1 percent < 15 percent < 1 percent Asphalt Content - - - - - > 35 percent - Expansion - > 140 percent - - - - - * To 50 percent of the original thickness ‖ Compression requirements per ASTM D7174, Standard Specification for Preformed Closed-Cell Polyolefin Expansion Joint Fillers for Concrete Paving and Structural Construction † Air-dried

3702.3SAMPLING AND TESTING

Provide samples for testing meeting the requirements of the Schedule of Materials Control .