Earthquake Floor Joists

Second the cripple wall or pony wall can fail. Earthquake safety devised the angle iron strut connection in the early 80s with input from several colleagues who were structural engineers. The horizontal lateral shaking in earthquakes create the forces that can be damaging to our wood framed homes.

dyson pure cool link desk air purifier with hepa filter review eco friendly carpet brands dymo vinyl 450 eave mounted security lights ez drain pre engineered french drain system ebay used bedroom sets dyson which head for carpet electric fan toggle switch

Over Notched Support Joist Under A House A Weak Spot That Can Cause Floor Sag Or Failure In An Earthquake Home Inspection Home House

Tongue And Groove Earthquake Retrofit Tongue And Groove Easy

Great Picture Concrete Perimeter With Post And Pier Or Footings Solid House Foundation Home Construction Building A House

Pier Post System Construction Pier Post Foundation Repair Pier And Beam Foundation Foundation Repair Beams

Structural Shelf Earthquake Retrofit Flooring Hardwood Floors

Levelling The Floor Part I The New Point Leveling Floor Diy Home Repair Home Maintenance

First the sill plate can slide off of the foundation.

Earthquake floor joists.

The rim joist should be attached to the top of the wall with metal connectors. Angle iron struts and foundation bolting a custom connection upgrade is to use angle iron struts which connect the floor joists directly to the foundation in a similar fashion to the simpson fja anchors. Floor joists rest on top of the girders and the floor you walk on sits on top of the joists. Also check for gaps between beams and joists or foundation walls.

Floor humps resulting from joist problems are among the most costly and labor intensive to repair. Around the outside of the floor system and the perimeter wall system is what is known as the rim joist. Homes tend to fail in one of three ways all between the foundation and the first floor joists. Look for out of plumb columns beams leaning to one side of the ends of beams separating from pockets in foundation walls.

The connectors should be located approximately 16 inches on center. On top of the crawl space wall rests the floor system. Check the large beams that support the floor joists as well as the vertical columns or posts that support the beams. The building code makes no distinction between posts that are 2 feet tall or 10 feet tall and only requires one nail be used to attach the bottom of the post to the concrete block and nothing such as pier caps is required to attach the top of the post to the girder.

In new construction a subfloor installed over a warped joist requires removal of the subfloor so.

Retrofit Bolting Of Houses Without Cripple Walls Is Simple Affordable Earthquake Retrofit Wall Bolt

Seismic Upgrading Faq Pier And Beam Foundation House Foundation Shed Plans

Seven Steps To Earthquake Safety Earthquake Safety Earthquake Damage Earthquake

Structural Check List For Earthquake Proofing Earthquake New House Plans Emergency Preparedness

Source : pinterest.com