Page 141 of Wood Construction Connectors 2006 Catalog by Simpson Strong-Tie

142 Plated Truss Connectors TBE Truss Bearing Enhancers Two TBE installed with two ply girder truss One size works with any number of girder plys. The TBE transfers load from the truss or girder to plates for bearing-limited conditions, and provides exceptional uplift capacity. Replaces nail-on scabs that provide lower load transfer, or in some cases, an additional ply when needed for bearing. The table lists allowable loads for TBE4 used on 2x4 and TBE6 used on 2x6 top plates. The table gives the different loads calculated for TBE with and without wood bearing. See Fastener Schedule below and page 143 for Alternate Installation. MATERIAL: 18 gauge. FINISH: Galvanized. See Corrosion-Resistance, page 6-7. INSTALLATION: Use all specified fasteners. See General Notes. TBE must be installed in pairs. Top plate size is 2x4 for TBE4, 2x6 for TBE6. Use alternate installation for TBE4 and TBE6 on larger plates or pre-sheathed walls. See page 143. CODES: See page 12 for Code Listing Key Chart. No. of Truss Plys Top Plate or Truss Wood Species 7 TBE Only Allowable Loads 1, 4 TBE Wood Bearing Allowable Loads Total Bearing Length (TBL) 1, 4, 8 (100) (115) (125) (133) Uplift 3 Lateral Download (133) (100) TBL (in) (115) TBL (in) (125) TBL (in) (133/160) TBL (in) (133 160) Parallel to Plate 6 Perp to Plate 5 TBE4 ON 2x4 TOP PLATE 1 Doug-Fir-larch 1820 2095 2230 2230 850 400 1000 5100 5.44 5375 5.73 5510 5.88 5510 5.88 Southern Pine 1820 2095 2230 2230 850 400 1000 4785 5.65 5060 5.97 5195 6.13 5195 6.13 Spruce-Pine-Fir 1560 1795 1950 2080 850 375 1000 3790 5.95 4025 6.32 4180 6.56 4310 6.76 Hem Fir 1560 1795 1950 2080 850 375 1000 3885 6.07 3920 6.45 4075 6.71 4205 6.92 2 Doug-Fir-Larch 2220 2230 2230 2230 850 400 1000 8785 4.68 8795 4.69 8795 4.69 8795 4.69 Southern Pine 2220 2230 2230 2230 850 400 1000 8155 4.81 8165 4.82 8165 4.82 8165 4.82 Spruce-Pine-Fir 1920 2100 2100 2100 850 375 1000 6385 5.01 6565 5.15 6565 5.15 6565 5.15 Hem Fir 1920 2100 2100 2100 850 375 1000 6175 5.08 6355 5.23 6355 5.23 6355 5.23 3 Doug-Fir-Larch 2220 2230 2230 2230 850 400 1000 12065 4.29 12075 4.29 12075 4.29 12075 4.29 Southern Pine 2220 2230 2230 2230 850 400 1000 11120 4.37 11130 4.38 11130 4.38 11130 4.38 Spruce-Pine-Fir 1920 2100 2100 2100 850 375 1000 8615 4.50 8795 4.60 8795 4.60 8795 4.60 Hem Fir 1920 2100 2100 2100 850 375 1000 8300 4.55 8480 4.65 8480 4.65 8480 4.65 4 Doug-Fir-Larch 2220 2230 2230 2230 850 400 1000 15345 4.09 15355 4.09 15355 4.09 15355 4.09 Southern Pine 2220 2230 2230 2230 850 400 1000 14085 4.15 14095 4.16 14095 4.16 14095 4.16 Spruce-Pine-Fir 1920 2100 2100 2100 850 375 1000 10845 4.25 11025 4.32 11025 4.32 11025 4.32 Hem Fir 1920 2100 2100 2100 850 375 1000 10425 4.29 10605 4.36 10605 4.36 10605 4.36 TBE6 ON 2x6 TOP PLATE 1 Doug-Fir-Larch 1820 2095 2275 2425 935 300 1000 6975 7.44 7250 7.73 7430 7.93 7580 8.09 Southern Pine 1820 2095 2275 2425 935 300 1000 6480 7.65 6755 7.97 6935 8.18 7085 8.36 Spruce-Pine-Fir 1560 1795 1950 2080 935 300 965 5065 7.95 5300 8.32 5455 8.55 5585 8.76 Hem Fir 1560 1795 1950 2080 935 300 965 4900 8.07 5135 8.45 5290 8.70 5420 8.92 2 Doug-Fir-Larch 2220 2555 2735 2735 935 300 1000 12535 6.68 12870 6.86 13050 6.96 13050 6.96 Southern Pine 2220 2555 2735 2735 935 300 1000 11545 6.81 11880 7.01 12060 7.11 12060 7.11 Spruce-Pine-Fir 1920 2210 2400 2560 935 300 965 8935 7.01 9225 7.23 9415 7.38 9575 7.51 Hem Fir 1920 2210 2400 2560 935 300 965 8605 7.08 8895 7.32 9085 7.48 9245 7.61 3 Doug-Fir-Larch 2220 2555 2735 2735 935 300 1000 17690 6.29 18025 6.41 18205 6.47 18205 6.47 Southern Pine 2220 2555 2735 2735 935 300 1000 16205 6.37 16540 6.50 16720 6.58 16720 6.58 Spruce-Pine-Fir 1920 2210 2400 2560 935 300 965 12440 6.50 12730 6.66 12920 6.75 13080 6.84 Hem Fir 1920 2210 2400 2560 935 300 965 11945 6.55 12235 6.71 12425 6.82 12585 6.90 4 Doug-Fir-Larch 2220 2555 2735 2735 935 300 1000 22845 6.09 23180 6.18 23360 6.23 23360 6.23 Southern Pine 2220 2555 2735 2735 935 300 1000 20865 6.15 21200 6.25 21380 6.31 21380 6.31 Spruce-Pine-Fir 1920 2210 2400 2560 935 300 965 15945 6.25 16235 6.37 16425 6.44 16585 6.50 Hem Fir 1920 2210 2400 2560 935 300 965 15285 6.29 15575 6.41 15765 6.49 15925 6.55 Code Ref. 33, 122, 140 33, 122, 127, 140 1. Loads are for two TBEs only. Allowable wood bearing load may be added as shown in the table. 2. Allowable loads for four wood species at Fc^ for Douglas Fir-Larch 625, Southern Pine 565; Spruce-Pine-Fir 425; Hem Fir 405. 3. Allowable loads have been increased 33% and 60% for earthquake or wind loading with no further increase allowed; reduce where other loads govern. 4. Allowable loads are determined only by nail shear calculations or tests of the metal connectors based on the lowest of 0.125² of deflection or the ultimate load with a 3 times factor of safety. The attached wood members must be designed to withstand the loads imposed by the nails. 5. Perpendicular to Plate loads are reduced for Alternate Installation. 6. Parallel to Plate loads are not reduced for Alternate Installation. 7. Use lower of top plate or truss wood species. 8. Total bearing length, TBL, equals the plate width plus simulated bearing length provided by the TBE. TBE4 3 plate width; TBE6 5 ². TBE4 (TBE6 similar) U.S. Patent 5,109,646 Canada Patent 2,044,440 Model No. Truss Plys Fasteners per each TBE Rafter Plate TBE4 1 10-10dx1 10-10dx1 2 or more 10-10d 10-10d TBE6 1 10-10dx1 10-10dx1 2 or more 10-10d 10-10d TBE FASTENER SCHEDULE Available with additional corrosion protection. Check with factory. NAILS: 10d 0.148" dia. x 3" long, 10dx1 0.148" dia. x 1 long. See page 16-17 for other nail sizes and information.

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