Anchor bolts shall fasten sill plates to concrete floors a maximum of 6 feet (1,829 mm) on center. Anchor bolts shall fasten sill plates to the top of concrete or masonry walls a maximum of 4 feet (1,219 mm) on center.
How far apart should anchor bolts be placed?
One bolt needs to be located no more than 12 inches (305 mm) or less than 4 inches (102 mm) from each end of the plate section. Additionally, bolts should be placed within the middle third of the width of the plate. Keep in mind that these are minimum requirements, that is, not to exceed spacing.
What is the maximum OC spacing of anchor bolts?
(2) Except as provided in Article 9.23. 6.3., anchorage shall be provided by embedding the ends of the first floor joists in concrete, or fastening the sill plate to the foundation with not less than 12.7 mm diam anchor bolts spaced not more than 2.4 m o.c.
What is the spacing for anchor bolts in concrete?
A rule-of-thumb in the concrete-fastener industry is that the minimum spacing should be 10 diameters from each anchor, and measured center to center. The spacing from an unsupported edge should be at least five-anchor diameters.
Where should anchor bolts be placed?
If you are using anchor bolts for concrete slabs or foundations it’s important to place the bolt in the concrete so it’s in the center of the wall. For 2 x 6 walls, the bolt would be 2 3/4 inches from the outer edge and for 2 x 4 walls the anchor bolt would be 1 3/4 inches from the edge.
How do you measure anchor bolt length?
For bent-bar anchors, the effective embedment length is measured parallel to the bolt axis from the masonry surface to the bearing surface on the bent end minus one anchor bolt diameter.
How many anchor bolts minimum are required in a plate anchored to a foundation?
There shall be a minimum of two bolts or anchor straps per piece with one bolt or anchor strap located not more than 12 inches (305 mm) or less than 4 inches (102 mm) from each end of each piece. A properly sized nut and washer shall be tightened on each bolt to the plate.
What is the minimum number of anchor bolts required for anchoring a 12 foot section of wood sill plate to a foundation?
There shall be a minimum of two bolts per plate section with one bolt located not more than 12 inches (305 mm) or less than seven bolt diameters from each end of the plate section.