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722.5.1.4.4 Minimum Precast Concrete Cover
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For structural steel columns protected with precast concrete column covers as shown in Figure 722.5.1(6)(a), Tables 722.5.1(9) and 722.5.1(10) indicate the thickness of the column covers required for various fire-resistance ratings for typical wide-flange shapes. The thicknesses of concrete given in these tables apply to structural steel columns larger than those listed.
Related Code Sections
722.5.1.4.4 Fire and Smoke Protection Features, Minimum Precast Concrete Cover
For structural steel columns protected with precast concrete column covers as shown in Figure 722.5.1(6), illustration (a), Tables 722.5.1(9 ...
Building Code 2021 of Illinois > 7 Fire and Smoke Protection Features > 722 Calculated Fire Resistance > 722.5 Steel Assemblies > 722.5.1 Structural Steel Columns > 722.5.1.4 Concrete-Protected Columns > 722.5.1.4.4 Minimum Precast Concrete Cover
722.5.1.4.4 Fire and Smoke Protection Features, Minimum Precast Concrete Cover
For structural steel columns protected with precast concrete column covers as shown in Figure 722.5.1(6)(a), Tables 722.5.1(9) and 722.5.1(10 ...
Building Code 2018 of Illinois > 7 Fire and Smoke Protection Features > 722 Calculated Fire Resistance > 722.5 Steel Assemblies > 722.5.1 Structural Steel Columns > 722.5.1.4 Concrete-Protected Columns > 722.5.1.4.4 Minimum Precast Concrete Cover
1808.8.2 Soils and Foundations, Concrete Cover
or a mandrel, the inside face of the casing or mandrel shall be considered to be the concrete surface.
TABLE 1808.8.2 MINIMUM CONCRETE COVER ...
Building Code 2018 of Illinois > 18 Soils and Foundations > 1808 Foundations > 1808.8 Concrete Foundations > 1808.8.2 Concrete Cover
1808.8.2 Soils and Foundations, Concrete Cover
or a mandrel, the inside face of the casing or mandrel shall be considered to be the concrete surface.
TABLE 1808.8.2
MINIMUM CONCRETE COVER ...
Building Code 2021 of Illinois > 18 Soils and Foundations > 1808 Foundations > 1808.8 Concrete Foundations > 1808.8.2 Concrete Cover
1810.3.5.1 Soils and Foundations, Precast
The minimum lateral dimension of precast concrete deep foundation elements shall be 8 inches (203 mm). Corners of square elements shall ...
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 > 1810.3.5.1 Precast