Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Issues related to earthquake safety, bracing, or preparation.

0
votes
2answers
58 views

Why do foundation bolts at corners deteriorate faster?

I replaced the washers on a house's foundation bolts (replacing old round washers with larger square washers). On 6 of the ~30 bolts, the nut was rusted in place and the shaft was eroded where it ...
0
votes
2answers
52 views

Earthquake anchors for a standing desk

I have an IKEA adjustable standing desk I'd like to anchor to the wall in case of an earthquake. Requirements: The desk should still be adjustable, that is, I don't want to anchor it just up or just ...
0
votes
1answer
81 views

Do I need to add supports before replacing a cripple wall stud?

I have a section of mud sill near a crawl space entry door that has suffered severe dry rot due to rain intrusion. I need to cut out and replace about 3 feet of mud sill. This will require removal ...
0
votes
1answer
30 views

How to find houses on types of land with less risk of damage from earthquakes?

If the general geographic location, i.e. city or metro area is fixed, what methods and data sources should I use to know what land areas in the region have less risk of damage to houses from ...
1
vote
2answers
332 views

How do I secure an open-backed set of shelves to the wall?

I read this guide on how to anchor furniture to a wall but it assumes that you’ll need to drill through the back of the item, attach something to the inside, and connect this to the wall. I have a ...
0
votes
0answers
80 views

Door no longer fits into door frame

All of a sudden we notice that both our front and back door were not fitting into their frames properly. We could see a slice of daylight between the door and frame. What might have caused this?
0
votes
0answers
42 views

Is this foundation properly supported against rotation in an earthquake?

This foundation was built 1938, and seems unusually tippy even for the time. This is in an earthquake zone, the garage has a second floor above, and the given wall is shearwalled and bolted, with ...
0
votes
1answer
99 views

How do I secure this post to the structure to protect against seismic damage?

My foundation is attached to the frame of my house using seismic brackets, and I live in a earthquake-prone area. I noticed I have 3 posts that hold up my center of my house that seem to only be ...
14
votes
5answers
33k views

How do I tell if my house is brick or brick veneer?

I live in a brick house, and am interested in understanding whether it is brick or brick veneer, as a way to understand what kind of risks it (and we) may face during an earthquake. I hear that brick ...
2
votes
1answer
458 views

Proper backfill for a trench dug below foundation level (within the 45 degree cone of support)

Given a trench dug below foundation level, what's the proper way to backfill? Here I'm talking about a trench below the bottom edge of an unreinforced concrete foundation built in 1950, supporting a ...
1
vote
2answers
8k views

Trying to secure a 100lbs floor mirror so it doesn't tilt over. is it possible to do this without a stud?

This wall is not shared by another tenant directly next door but does have a unit above me. I cannot find a stud. i have used a magnet stud finder. I have nailed a 2.5" nail into the wall in 1 inch ...
3
votes
2answers
2k views

Are there span tables published for repairing a cut roof joist?

A roofing company mistakenly cut a 2 foot section out of a roof joist, on my home. I'm seeking a reference to what would constitute a proper repair, preferably a prescriptive code or a load table. ...