Embedded Concrete-Rubber (ECR) Specifications:
Embedded Concrete-Rubber (ECR) Cross Section View:
Panel Lengths:
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8’, 8’-1 1/2”, 9’ and 10’
Panel Height:
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Accomdates 115# to 141# Rail
Gauge Panel Width:
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50 1/2 inches
Field Panel Width:
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27 inches (10-foot tie)
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21 inches ( 9-foot tie)
Fastners:
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Timber Screws, 3/4” x 12”
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Medium Carbon Steel
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Tensile Strength 120,000 psi Min.
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Pullout Resistance +13,000 lbs
Concrete:
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Compressive Strength: 6000 p.s.i.
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Entrained Air: 6.0 % ± 1%
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Max. Water/Cement Ratio: 0.44 %
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Salt Sealer: Co-Ma-Seal CM
Rebar:
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ASTM A615 Gr.60 (Tied)
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ASTM A706 Gr.60 (Welded)
Steel Angle:
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ASTM A36
Field Rubber:
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Type: Virgin SBR
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Tensile: 2,000 p.s.i.
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Hardness: 65 ± 5 Durometer
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Shore A
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Elongation: 400%
Gauge Rubber:
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Type: EPDM
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Tensile: 850 p.s.i.
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Hardness: 75 ± 5 Durometer
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Shore A
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Elongation: 400%