Chance Technical Design Manual

NOMINAL, LRFD DESIGN, & ASD ALLOWABLE STRENGTHS OF NEW CONSTRUCTION PILE CAPS LOADED IN TENSION 1,2,3,4,5,6,7,8

DRAWINGS & RATINGS

NOMINAL, LRFD DESIGN, & ASD ALLOWABLE STRENGTHS IN TENSION (kip) [kN] 2500 psi CONCRETE 5

CATALOG NUMBER 8

PILE MODEL

NOMINAL STRENGTH

DESIGN STRENGTH

ALLOWABLE STRENGTH

C1500465(G)

SS5

56.2 [250]

42.1 [187]

28.1 [125]

C1500793(G)

SS5

45.2 [201.1]

33.9 [150.8]

22.6 [100.5]

C1500467(G)

SS175

78.9 [351]

59.2 [263]

39.5 [176]

C1500794(G)

SS175

60.8 [270.5]

45.6 [202.8]

30.4 [135.2]

C1500797(G)

RS2875.203

100 [444.8]

76.9 [290.5]

51.9 [193.5]

C1500797(G)

RS2875.276

87.0 [387]

65.3 [313]

43.5 [211]

C1501357(G)

RS3500.300

95.0 [422.6]

70.4 [342]

47.5 [231]

C1072727(G)

RS4500.337

140.9 [626.8]

105.7 [470.2]

70.5 [313.6]

Notes: For SI: 1 inch = 25.4 mm, 1 kip = 4.448 kN. 1 Refer to Section 4.1.3 of ICC-ES ESR-2794 for descriptions of fixed condition, pinned condition, soft soil, and firm soil.

2 Strength ratings include allowance for corrosion of zinc-coated new construction pile caps over a 50-year service life. The 50-year service life allow ance for non-galvanized (bare steel) new construction pile caps used with SS5 and SS175 helical piles results in tension strengths equal to 90% of the strength values of galvanized pile caps listed in the Table. 3 Capacities apply to the specific pile cap and pile models listed. 4 See Sections 4.1.2 and 5.7 of ICC-ES ESR-2794 for applicable limit states that must be evaluated by a registered design professional. 5 The specified compressive strength of concrete at 28 days must not be less than 2,500 psi (17.2 MPa) [minimum of 24 MPa is required under ADIBC Appendix L, Section 5.5.1]. 6 Anchorage design must comply with the requirements of Section 1810.3.11.2 of the IBC for Seismic Design Categories D, E, and F. 7 The concrete footing design, reinforcement design, and anchorage capacity between the bracket and concrete must be determined by a registered design professional. The bracket anchorage with concrete may control the capacity. 8 (G): The cap is available as galvanized and non-galvanized (bare steel). Catalog items with “G” suffix are galvanized and without “G” are bare steel.

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