Approximate Span Table for K-Series Open Web Joists
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8 8K 8K 8K 8K 8K 10K 10K 10K 10K 10K 12K 12K 12K 12K 12K 14K 14K 14K 14K 14K 16K 16K 16K 16K 16K 18K 18K 18K 18K 18K Span (ft) Span (ft) Span (ft) Span (ft) Span (ft) Joist Designation Joist Designation Joist Designation Joist Designation Joist Designation Approximate Span Table for K-Series Open Web Joists Approximate Span Table for K-Series Open Web Joists Approximate Span Table for K-Series Open Web Joists Approximate Span Table for K-Series Open Web Joists Approximate Span Table for K-Series Open Web Joists 20K 20K 20K 20K 20K 24K 24K 24K 24K 24K 22K 22K 22K 22K 22K 26K 26K 26K 26K 26K 28K 28K 28K 28K 28K 30K 30K 30K 30K 30K 12 12 12 12 12 16 16 16 16 16 20 20 20 20 20 24 24 24 24 24 28 28 28 28 28 32 32 32 32 32 36 36 36 36 36 40 40 40 40 40 44 44 44 44 44 48 48 48 48 48 52 52 52 52 52 56 56 56 56 56 60 60 60 60 60 Assumptions: Assumptions: Assumptions: Assumptions: Assumptions: 1. These spans are based upon the SJI Specification, dated 1998. 1. These spans are based upon the SJI Specification, dated 1998. 1. These spans are based upon the SJI Specification, dated 1998. 1. These spans are based upon the SJI Specification, dated 1998. 1. These spans are based upon the SJI Specification, dated 1998. 2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 1.67 ft o.c. and 3.67 ft o.c. 2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 1.67 ft o.c. and 3.67 ft o.c. 2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 1.67 ft o.c. and 3.67 ft o.c. 2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 1.67 ft o.c. and 3.67 ft o.c. 2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 1.67 ft o.c. and 3.67 ft o.c. 2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c. 2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c. 2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c. 2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c. 2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c.
Transcript of Approximate Span Table for K-Series Open Web Joists
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10K10K10K10K10K
12K12K12K12K12K
14K14K14K14K14K
16K16K16K16K16K
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Span (ft)Span (ft)Span (ft)Span (ft)Span (ft)
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Approximate Span Table for K-Series Open Web JoistsApproximate Span Table for K-Series Open Web JoistsApproximate Span Table for K-Series Open Web JoistsApproximate Span Table for K-Series Open Web JoistsApproximate Span Table for K-Series Open Web Joists
20K20K20K20K20K
24K24K24K24K24K
22K22K22K22K22K
26K26K26K26K26K
28K28K28K28K28K
30K30K30K30K30K
1212121212 1616161616 2020202020 2424242424 2828282828 3232323232 3636363636 4040404040 4444444444 4848484848 5252525252 5656565656 6060606060
Assumptions:Assumptions:Assumptions:Assumptions:Assumptions:
1. These spans are based upon the SJI Specification, dated 1998.1. These spans are based upon the SJI Specification, dated 1998.1. These spans are based upon the SJI Specification, dated 1998.1. These spans are based upon the SJI Specification, dated 1998.1. These spans are based upon the SJI Specification, dated 1998.
2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 1.67 ft o.c. and 3.67 ft o.c.2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 1.67 ft o.c. and 3.67 ft o.c.2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 1.67 ft o.c. and 3.67 ft o.c.2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 1.67 ft o.c. and 3.67 ft o.c.2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 1.67 ft o.c. and 3.67 ft o.c.
2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c.2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c.2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c.2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c.2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c.
1414141414
18LH18LH18LH18LH18LH
20LH20LH20LH20LH20LH
24LH24LH24LH24LH24LH
28LH28LH28LH28LH28LH
32LH32LH32LH32LH32LH
36LH36LH36LH36LH36LH
Span (ft)Span (ft)Span (ft)Span (ft)Span (ft)
Jois
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Approximate Span Table for LH & DLH Series Open Web JoistsApproximate Span Table for LH & DLH Series Open Web JoistsApproximate Span Table for LH & DLH Series Open Web JoistsApproximate Span Table for LH & DLH Series Open Web JoistsApproximate Span Table for LH & DLH Series Open Web Joists
40LH40LH40LH40LH40LH
48LH48LH48LH48LH48LH
44LH44LH44LH44LH44LH
52DLH52DLH52DLH52DLH52DLH
56DLH56DLH56DLH56DLH56DLH
60DLH60DLH60DLH60DLH60DLH
2424242424 3434343434 4444444444 5454545454 6464646464 7474747474 8484848484 9494949494 104104104104104 114114114114114 124124124124124 134134134134134 144144144144144
Assumptions:Assumptions:Assumptions:Assumptions:Assumptions:
1. These spans are based upon the SJI Specification, dated 1998.1. These spans are based upon the SJI Specification, dated 1998.1. These spans are based upon the SJI Specification, dated 1998.1. These spans are based upon the SJI Specification, dated 1998.1. These spans are based upon the SJI Specification, dated 1998.
2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 2.5 ft o.c. and 3.8 ft o.c.2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 2.5 ft o.c. and 3.8 ft o.c.2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 2.5 ft o.c. and 3.8 ft o.c.2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 2.5 ft o.c. and 3.8 ft o.c.2. Floors: Based upon 100 psf LL and 50 psf DL, the spacing of joists is between 2.5 ft o.c. and 3.8 ft o.c.
2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c.2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c.2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c.2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c.2. Roofs: Based upon 30 psf LL and 20 psf DL, the spacing of joists is between 4.0 ft o.c. and 11 ft o.c.
64DLH64DLH64DLH64DLH64DLH
68DLH68DLH68DLH68DLH68DLH
72DLH72DLH72DLH72DLH72DLH
