Page 117 of Wood Construction Connectors 2006 Catalog by Simpson Strong-Tie

118 Engineered Wood Structural Composite Lumber Connectors PAI/MPAI Purlin Anchors PAI PAI Purlin to Concrete Wall (MPAI similar) Model No. L Fasteners Allowable Loads Masonry Concrete Masonry Concrete (133) (160) (133) (160) Maximum Capacity PAI18 18 10-10dx1 12-10dx1 1255 1505 1505 1805 2, 40, 121 2, 40, 121 2, 40, 121 PAI23 23 15-10dx1 17-10dx1 1880 2255 2130 2560 PAI28 29 21-10dx1 23-10dx1 2630 2815 2885 3460 PAI35 35 26-10dx1 29-10dx1 2815 2815 3635 3685 MPAI32 32 16-10dx1 1960 2355 MPAI44 44 24-10dx1 2865 2865 1 LVL and 3x Ledger PAI18 18 8-10dx1 10-10dx1 1000 1205 1255 1505 PAI23 23 13-10dx1 15-10dx1 1630 1955 1880 2255 PAI28 29 19-10dx1 21-10dx1 2380 2815 2630 3160 PAI35 35 24-10dx1 27-10dx1 2815 2815 3385 3685 MPAI32 32 16-10dx1 1960 2355 MPAI44 44 24-10dx1 16-10dx1 24-10dx1 2865 2865 1960 2355 2865 2865 16-10dx1 24-10dx1 1960 2355 2865 2865 4x Ledger PAI18 18 7-10dx1 9-10dx1 875 1055 1130 1355 PAI23 23 12-10dx1 14-10dx1 1505 1805 1755 2105 PAI28 29 18-10dx1 20-10dx1 2255 2705 2505 3010 PAI35 35 23-10dx1 26-10dx1 2815 2815 3260 3685 MPAI32 32 16-10dx1 16-10dx1 1960 2355 MPAI44 44 24-10dx1 24-10dx1 2865 2865 1960 2355 2865 2865 Code Ref. Wood-to-concrete and -concrete block connectors that satisfy code requirements. The PAs dual embedment line allows installation in concrete or concrete block. MATERIAL: MPAI 14 ga; PAI 12 ga. FINISH: Galvanized. Some products available HDG or Z-MAX. INSTALLATION: Minimum concrete strength is 2000 psi. Use all specified fasteners; some models have extra fastener holes. See General Notes. Wood splitting may occur when anchor is nailed to wood less than 3 wide. To reduce splitting for widths less than 3 ", fill every other nail hole with 10dx1 nails. Reduce the allowable load based on the size and quantity of fasteners used. (See nail table on page 16-17.) PAI is designed for wood I-joists. Nail spacing is for 10dx1 nails 3" on center, to minimize the chance of wood splitting. Maximum ledger width for full loads is 1 ". EDGE DISTANCE Minimum concrete edge distance is 5". Minimum concrete block left-to-right edge distance is 20". CONCRETE BLOCK WALLS The masonry embedment line on PAI, MPAI allows for 4" of grout embedment in a standard 8" concrete masonry unit. The minimum wall specifications are: one 4 vertical rebar, 32" long, at 32" o.c.; two courses of block above and below the anchor; a horizontal bond beam with two 4 rebars, 40" long, a maximum of two courses above or below the anchor; all cells grouted with 2000 psi aggregate grout. Grout shall be vibrated per the 1997 UBC section 2104.6.2. OPTIONS: See LTT and HTT Tension Ties. CODES: See page 12 for Code Listing Key Chart. 1. Allowable loads have been increased 33% and 60% for earthquake or wind loading with no further increase allowed; reduce where other loads govern. 2. Allowable loads are for a horizontal installation into the side of a concrete or masonry wall. 3. NAILS: 10dx1 0.148" dia. x 1 long. See page 16-17 for other nail sizes and information. MPAI The UBC Section 1633.2.8 and IBC 1620.2.1 state: Diaphragm to wall anchorage using embedded straps shall have the straps attached to or hooked around the reinforcing steel, or otherwise terminated to effectively transfer forces to the reinforcing steel.

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