Vulcraft_Joist_Catal..

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ACCESSORIES AND DETAILS 2.5K SERIES 2.5K SERIES are joist substitutes which are intended for use in very short spans (10ft or less) where open web steel joists are impractical. They are commonly specified to span over hallways and short spans in skewed bays. FABRICATION • Depth 2.5 in • Maximum Length 10 ft • Minimum Length 3 ft • Contact your local Vulcraft plant for sloped or pitched seat information. LOAD TABLE SPECIFICATIONS Joist substitutes are fabricated from material conforming to the SJI specifications. F y = 50 ksi; F b = 30 ksi. Full lateral support to the compression flange is assumed to be provided by metal deck. NOTE: 2.5K SERIES NOT U.L. APPROVED. 2.5K SERIES SIMPLE SPAN LOAD TABLE 2.5K TYPE 2.5K1 2.5K2 2.5K3 S in^3 0.62 0.84 1.2 I in^4 0.78 1.1 1.5 WT lbs/ft 3.0 4.2 6.4 SPAN ft ALLOWABLE UNIFORM LOAD (TOTAL/LIVE) PLF 4 550 550 550 5 550/338 550/465 550 6 374/189 519/260 550/354 7 270/116 375/160 540/218 8 204/76 284/105 408/143 9 222/73 320/99 10 178/52 257/71 The figures shown in red in this load table are the live loads per linear foot which will produce an approximate deflection of 1/360 of the span. Live loads which will produce a deflection of 1/240 of the span may be obtained by multiplying the figures in red by 1.5. In no case shall the total load capacity of the joist substitute be exceeded. ERECTION STABILITY Caution must be exercised since joist substitutes exhibit some degree of instability. After erection and before loads of any description are placed on the joist substitutes the ends must be welded to the supports per SJI specs and the metal deck installed and attached to the top flange. NOTE: 2.5K SERIES NOT U.L. APPROVED. LOAD TABLE FOR LOOSE OUTRIGGERS TOTAL ALLOWABLE LOAD FOR UNSUPPORTED CANTILEVER PLF* OUTRIGGER SPAN ft-in TYPE 2’-0 2’-6 3’-0 3’-6 4’-0 4’-6 5’-0 5’-6 6’-0 6’-6 2.5K1 550 499 346 254 195 154 125 103 2.5K2 550 550 465 341 261 207 167 138 116 2.5K3 550 550 550 493 377 298 241 199 168 143 *Serviceability requirements must be checked by the specifying professional. 31
ACCESSORIES AND DETAILS K SERIES OPEN WEB STEEL JOISTS ANCHORAGE TO STEEL SEE SJI SPECIFICATION 5.3 (b) AND 5.6 ANCHORAGE TO MASONARY SEE SJI SPECIFICATION 5.3 (a) AND 5.6 BOLTED CONNECTION* TYPICALLY REQUIRED AT COLUMNS CEILING EXTENSION BOTTOM CHORD STRUT HEADERS Note: If header does not bear at a Joist Panel Point add extra web in field as shown. EW or Panel Point by Vulcraft MAXIMUM DUCT OPENING SIZES (K SERIES)* JOIST DEPTH ROUND SQUARE RECTANGLE 8 inches 5 inches 4x4 inches 3x8 inches 10 inches 6 inches 5x5 inches 3x8 inches 12 inches 7 inches 6x6 inches 4x9 inches 14 inches 8 inches 6x6 inches 5x9 inches 16 inches 9 inches 7 1/2x 71/2 inches 6X10 inches 18 inches 11 inches 8x8 inches 7x11 inches 20 inches 11 inches 9x9 inches 7x12 inches 22 inches 12 inches 9 1/2 x9 1/2 inches 8x12 inches 24 inches 13 inches 10x10 inches 8x13 inches 26 inches 151/2 inches 12x12 inches 9x18 inches 28 inches 16 inches 13x13 inches 9x18 inches 30 inches 17 inches 14x14 inches 10x18 inches *FOR LH SERIES CONSULT WITH VULCRAFT SEE SJI SPECIFICATION - SECTION 6. FOR HANDLING AND ERECTION OF K- SERIES OPEN WEB STEEL JOISTS AND SJI TECHNICAL DIGEST NO. 9. SPECIFYING PROFESSIONAL MUST INDICATE ON STRUCTURAL DRAWINGS SIZE AND LOCATION OF ANY DUCT THAT IS TO PASS THRU JOIST. 32
Page 2 and 3: TABLE OF CONTENTS **IMPORTANT NOTIC
Page 4 and 5: VULCRAFT OF NEW YORK, INC. LOCATION
Page 6 and 7: JOIST DESIGN COMMENTARY FLOOR VIBRA
Page 8 and 9: LOAD AND RESISTANCE FACTOR DESIGN T
Page 10 and 11: VULCRAFT K SERIES / GENERAL INFORMA
Page 12 and 13: STANDARD LOAD TABLE/OPEN WEB STEEL
Page 14 and 15: STANDARD LOAD TABLE/OPEN WEB STEEL
Page 16 and 17: KCS JOISTS EXAMPLE 2 OPTION A: Use
Page 18 and 19: KCS JOISTS LOAD TABLE (SYSTEME INTE
Page 20 and 21: STANDARD LOAD TABLE IN METRIC UNITS
Page 24 and 25: OPEN WEB STEEL JOISTS, K-SERIES In
Page 26 and 27: OPEN WEB STEEL JOISTS, K-SERIES 4.5
Page 28 and 29: OPEN WEB STEEL JOISTS, K-SERIES NUM
Page 30 and 31: OPEN WEB STEEL JOISTS, K-SERIES 5.9
Page 34 and 35: ACCESSORIES AND DETAILS K SERIES OP
Page 36 and 37: ACCESSORIES AND DETAILS BRIDGING RE
Page 38 and 39: OPEN WEB STEEL JOISTS, K-SERIES TOP
Page 40 and 41: OPEN WEB STEEL JOISTS, K-SERIES TOP
Page 42 and 43: ACCESSORIES AND DETAILS LH & DLH SE
Page 44 and 45: VULCRAFT LH & DLH SERIES / GENERAL
Page 46 and 47: STANDARD LOAD TABLE/LONG SPAN STEEL
Page 48 and 49: STANDARD LOAD TABLE DEEP LONGSPAN S
Page 50 and 51: METRIC LOAD TABLE LONGSPAN STEEL JO
Page 56 and 57: LONGSPAN AND DEEP LONGSPAN STEEL JO
Page 64 and 65: VULCRAFT SLH / GENERAL INFORMATION
Page 66 and 67: ACCESSORIES AND DETAILS SLH SERIES
Page 68 and 69: VULCRAFT LOAD TABLE SUPER LONGSPAN
Page 70 and 71: SPECIFICATIONS FOR VULCRAFT SUPER L
Page 76 and 77: VULCRAFT JOIST GIRDERS WHAT ARE JOI
Page 78 and 79: JOIST GIRDER NOTES If fixed end mom
Page 80 and 81: MOMENT CONNECTION DETAILS Presented
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DESIGN GUIDE WEIGHT TABLE FOR JOIST
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Based on an allowable tensile stres
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JOIST GIRDERS DESIGN GUIDE WEIGHT T
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STANDARD SPECIFICATIONS FOR JOIST G
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JOIST GIRDERS For cold-formed secti
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JOIST GIRDERS The designed detail o
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FIRE-RESISTANCE RATINGS WITH STEEL
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FIRE-RESISTANCE RATINGS WITH STEEL
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ECONOMICAL JOIST GUIDE Combined K,
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RECOMMENDED CODE OF STANDARD PRACTI
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PUBLICATIONS Vulcraft (Refer to bac
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Vulcraft_Joist_Catal..

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