Webb31 maj 2011 · Buy Simpson Strong-Tie HD7B - 12-3/8" Galvanized (G90) Bolted Holdown: Everything Else - Amazon.com FREE DELIVERY possible on eligible purchases ... The HD7B bolted hold own features a unique seat design which … WebbStamped embedment line aids installation. SSTB is suitable for monolithic and two-pour concrete applications. Diameter: 7/8 in. Length: 29-7/8 in. Material: ASTM F-1554, Grade 36. Nuts and washers for holdown attachment are not supplied with the SSTB; install standard nuts, couplers and/or washers as required. Shop all Simpson Strong-Tie here.
Hold down (structural engineering) - Wikipedia
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HDU Holdown Simpson Strong-Tie
WebbHoldown (holdown, hold-down, or hold down) or tie-down in structural engineering refers to the steel device or hardware that is installed at the end of a plywood shear wall. The hold downs provide uplift resistance against the overturning moment imposed on the wall due to "in-plane" lateral load applied at the top of the wall. A hold-down may ... WebbThe house is vaulted off to the side of the foundation as the cripple wall simply rolls out from under it. Stiffening or bracing of the cripple wall to keep if from collapsing during seismic movement is a very important part of earthquake retrofitting. The bracing is accomplished by attaching structural grade plywood tightly to the wall framing. WebbSimpson Strong‑Tie offers a wide variety of holdown devices designed and tested to address many applications and load demands. The DTT Tension Tie & Holdown is designed for lighter‑duty holdown applications on single or double studs. HTT Tension Tie & … great river eye clinic brainerd