Steel Push Piers
Pier Tube
3.0-inch Outside Diameter (O.D.) x 0.120inch wall tube steel, ultimate tensile strength = 80,000 psi
(min.), yield tensile strength = 70,000 psi (min.)
Tube Reinforcing Insert
2.75inch O.D. x 0.120inch wall tube steel, ultimate tensile strength = 80,000 psi (min.),
yield tensile strength = 70,000 psi (min.)
Bracket Tube
3.875-inch O.D. x 3.125-inch Inside Diameter (I.D.) x 10-inch long DOM mechanical steel tubing
conforming to ASTM 513 – Type 5 / Grade 1026. Ultimate tensile strength = 100,000 psi (min.),
yield tensile strength = 90,000 psi (min.)
Angle Bracket
0.5-inch thick flat plate conforming to ASTM A-36 hot rolled steel bent to form a 90 degree angle
with equal sides of approximately 8 inches. Ultimate tensile strength = 58,000 psi (min.), yield
tensile strength = 36,000 psi (min.)
Bracket Support Strap
0.375-inch thick x 3 inches wide x 21.25 inches flat bar conforming to ASTM A-36 hot rolled steel
which is bent into a “horseshoe” shape around the bracket tube. Ultimate tensile strength = 58,000 psi
(min.), yield tensile strength = 36,000 psi (min.)
Top Plate
0.75-inch thick x 5.5 inches wide x 9.5 inches long conforming to ASTM A-36 hot rolled steel. Ultimate
tensile strength = 58,000 psi (min.), yield tensile strength = 36,000 psi (min.)
Cap Plate
1.0-inch thick x 4.0 inches wide x 8.5 inches long conforming to ASTM A36 hot rolled steel. Ultimate
tensile strength = 58,000 psi (min.), yield tensile strength = 36,000 psi (min.)
Weld
E71T1, minimum tensile strength = 71,000 psi – Conforms to AWS standard.
Threaded Rod
0.75-inch diameter x 12 inches long ASTM A311 – Class B / Grade 8 Zinc Plated. Ultimate tensile
strength = 150,000 psi, yield tensile strength = 130,000 psi
Capacity
Foundation Pier System, which includes pier tube, tube reinforcing insert and foundation bracket,
tested by an Independent Laboratory to peak loads exceeding 70,000 pounds (70 kips).
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