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// CODE SNIPPET

1810.3.5.3.4 Steel Pipes and Tubes

Building Code 2021 of Illinois > 18 Soils and Foundations > 1810 Deep Foundations > 1810.3 Design and Detailing > 1810.3.5 Dimensions of Deep Foundation Elements > 1810.3.5.3 Steel > 1810.3.5.3.4 Steel Pipes and Tubes
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Steel pipes and tubes used as deep foundation elements shall have a nominal outside diameter of not less than 8 inches (203 mm). Where steel pipes or tubes are driven open ended, they shall have not less than 0.34 square inch (219 mm2) of steel in cross section to resist each 1,000 foot-pounds (1356 Nm) of pile hammer energy, or shall have the equivalent strength for steels having a yield strength greater than 35,000 psi (241 MPa) or the wave equation analysis shall be permitted to be used to assess compression stresses induced by driving to evaluate if the pile section is appropriate for the selected hammer. Where a pipe or tube with wall thickness less than 0.179 inch (4.6 mm) is driven open ended, a suitable cutting shoe shall be provided. Concrete-filled steel pipes or tubes in structures assigned to Seismic Design Category C, D, E or F shall have a wall thickness of not less than 3/16 inch (5 mm). The pipe or tube casing for socketed drilled shafts shall have a nominal outside diameter of not less than 18 inches (457 mm), a wall thickness of not less than 3/8 inch (9.5 mm) and a suitable steel driving shoe welded to the bottom; the diameter of the rock socket shall be approximately equal to the inside diameter of the casing.
Exceptions:
  1. There is no minimum diameter for steel pipes or tubes used in micropiles.
  2. For mandrel-driven pipes or tubes, the minimum wall thickness shall be 1/10 inch (2.5 mm).

Related Code Sections


1810.3.5.3.4 Soils and Foundations, Steel Pipes and Tubes
Steel pipes and tubes used as deep foundation elements shall have a nominal outside diameter of not less than 8 inches (203 mm). Where steel pipes ...
Building Code 2021 of Illinois > 18 Soils and Foundations > 1810 Deep Foundations > 1810.3 Design and Detailing > 1810.3.5 Dimensions of Deep Foundation Elements > 1810.3.5.3 Steel > 1810.3.5.3.4 Steel Pipes and Tubes
1810.3.5.3.4 Soils and Foundations, Steel Pipes and Tubes
Steel pipes and tubes used as deep foundation elements shall have a nominal outside diameter of not less than 8 inches (203 mm). Where steel pipes ...
Building Code 2018 of Illinois > 18 Soils and Foundations > 1810 Deep Foundations > 1810.3 Design and Detailing > 1810.3.5 Dimensions of Deep Foundation Elements > 1810.3.5.3 Steel > 1810.3.5.3.4 Steel Pipes and Tubes
20.4 Steel Reinforcement Properties, Durability, and Embedments, Structural Steel, Pipe, and Tubing for Composite Columns
Structural steel other than steel pipe or tubing used in composite columns shall conform to (a), (b), (c), (d), or (e): (a) ASTM A36 — carbon steel ...
Building Code Requirements for Structural Concrete of Illinois > 20 Steel Reinforcement Properties, Durability, and Embedments > 20.4 Structural Steel, Pipe, and Tubing for Composite Columns
20.4.2.1 Steel Reinforcement Properties, Durability, and Embedments,
For structural steel in composite columns, maximum value of fy shall be in accordance with the appropriate ASTM standards in 20.4.1 ...
Building Code Requirements for Structural Concrete of Illinois > 20 Steel Reinforcement Properties, Durability, and Embedments > 20.4 Structural Steel, Pipe, and Tubing for Composite Columns > 20.4.2 Design Properties > 20.4.2.1
1810.3.10 Soils and Foundations, Micropiles
or a combination of soil and bedrock. Micropiles shall be grouted and have either a steel pipe or tube or steel reinforcement at every section along ...
Building Code 2021 of Illinois > 18 Soils and Foundations > 1810 Deep Foundations > 1810.3 Design and Detailing > 1810.3.10 Micropiles
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