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Alpha Structural Inc. has been one of Southern California’s go-to companies for hillside and foundation repairs for the last three decades. They’ve also been a resource for funny yet unsettling images of physical deterioration in homes and buildings. 

The Alpha Structural Imgur page is a gift that keeps on giving. So, we’ve compiled a new collection featuring cracked walls, foundation issues, and entire houses on the brink of toppling. 

Scroll through this list and see how these photos compare to the previous ones we’ve published.

#1

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This wall, intended to retain the hillside, consists only of framing and stucco, lacking the necessary elements for a retaining wall such as rebar, a proper footing, and concrete to provide adequate support for retaining soil.

As a result, the wall is now failing.

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Charles McChristy
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

How TF could anyone be this dumb? Someone take their Home Depot credit card away, QUICK!!!

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#2

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This photo from above the wall reveals the steps, which have also started to fail as they have lost the support they were resting on.

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Jrog
Community Member
3 months ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

"Rebar? Steel mesh? What are those esoteric terms?" said the contractor.

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#3

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The force of the landslide destroyed a back wall, allowing mud to find its way into almost every room. Including the bathroom… yikes.

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Pollywog
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I'm so glad that's mud!!!! For a second I thought it was a really nasty "Hoarders" episode !!

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In our previous interview with the company, they explained the likely reason behind the crumbling houses. Apart from poor decisions during the building process, they also pinned some blame on the city’s land quality.

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“They were often built with shallow footings that are prone to sink over time. Additionally, there is a lot of expansive soil in Los Angeles, which, due to its high clay content, expands and contracts. This leads to corners or sides of a home that sink."

#4

Dangerous-Structure-Fails-Pics

This chaotic framing could be mistaken for abstract art.

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Jrog
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

This is a guy who found out about "bracings" well into the project.

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#5

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These stalactites were found in a below-grade structure. Stalactites form gradually over time as water seeps through cracks in the ceiling, carrying dissolved minerals that accumulate and create these formations.

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Sava Hax
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

German now, born and raised Dutchman. We've visited caves in Maastricht. Those hanging ones are "Stalactieten", because "Tieten", in Dutch, are tits. And the other ones are "stalagmieten" but who cares 🤣 just wanted to share that. Thanks for listening. 😜

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#6

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The post-and-pier final boss.

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We also spoke with Alpha Structural representative Ben Reinhart, who detailed one of the worst homes they inspected in 1992. It was a three-story hillside home in the Playa del Rey neighborhood.

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“​​The condition of the soil supporting the home was so bad that during our assessment, we found that the home was cracking and actually moving,” he revealed.

#7

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Well, at least that statue is there to save the day. All we can say is that’s definitely something you don’t see every day.

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#8

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This is an unconventional approach to a post and pier. Using bricks in replacement of a post and pier is merely a remedial repair to fill the gap. It can temporarily hold things together, but it doesn’t address the core issue as it lacks the proper support for the home.

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#9

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You can see this wall is suffering from spall damage and the rebar has been exposed.

Spalling refers to areas of concrete that have cracked and delaminated from the underlying layer.

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IORN
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Well that's called "segregated concrete" and it's usually a big problem.

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Reinhart says it was the first time they had evacuated a home’s inhabitants due to the extent of structural damage. The following day, they immediately put temporary shoring in place to prevent a total collapse. 

“The complexity of the repair required, getting a large rig on a steep hillside to excavate a 55’ deepened foundation, made this one of the worst and most challenging in our long history. Let’s just say if we were on a reality TV show, this episode would’ve been a season finale,” he explained.

#10

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The landslides in Portuguese Bend—an area in Rancho Palos Verdes—have been occurring for over 30 years now. The area is notorious for its significant land movement issues.

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Maartje
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

This is not a structural failure. This is a pathway or driveway that literally is being torn apart by land movement. This area is known for it and the rains of last winter have created a lot of damage, hillsides are coming down. Structures and roads have been destroyed, the most notable one Wayfarer's Chapel. Yes, I live in this general area.

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#11

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Another day, another landslide.

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#12

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The heavy rains triggered a series of landslides in our area, prompting numerous calls for assistance.

That TV…

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M O'Connell
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Was there a TV randomly next to their front door or did they toss their TV on top of the mud after it settled so they could get a new one from the insurance company?

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According to Sydney-based property inspector Fadi Keyrouz, not all cracks on a house’s walls are cause for concern. In an article published on LinkedIn, he identified three types of ruptures that could indicate structural failure. 

“Interior wall cracks which occur in plasterboard or gyprock, exterior wall cracks such as cracks in the surface, brickwork, or in the rendering of external walls, and cracks in foundation walls.”

#13

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This retaining wall is suffering from significant hydrostatic pressure from the groundwater in the hillside that it's supporting.

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Nimitz
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Points for the builder though. That is a very straight wall after experiencing years of water damage

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#14

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This is going to be a massive cleanup effort.

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#15

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Last week we highlighted the significant land movement issues in Portuguese Bend. These thick concrete pavers that were ripped apart in the area are more proof of that.

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Manana Man
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

If you Google that location you can see how the developers simply ignored the extensive faulting and ground movement in the area, graded over it all to smooth it out, then built houses. Either very stupid or very dishonest.

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Keyrouz advises paying attention to the shapes of cracks, as well. Each one may suggest different problems. 

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“Stepped cracks tend to follow the lines of horizontal and vertical joints in buildings, such as beds of mortar between bricks or blocks, and may indicate structural movement.”

#16

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Here you can see the home is now showing other various signs of damage as well, such as misaligned doors and windows.

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#17

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A landslide crashed into this home below.

Homes situated at the lower end of a hillside raise significant concerns due to their heightened vulnerability to various issues.

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Maartje
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Yup, a lot of these pictures are Portuguese Bend. I am still hoping Trump National Golf Club will fall into the ocean ;)

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#18

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With the landslide coming down into the pool, all the pool water washed out and made a huge mess. It left not only the homeowners' backyard in disarray but also impacted neighboring properties.

Dealing with the aftermath of this rain has been horrifying for homeowners all over SoCal.

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Upstaged75
Community Member
3 months ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

We once had a terraced hill garden above the pool landscaped. A few days later we had torrential rains and the entire thing washed in to the pool. It was completely brown and full of mulch. The landscapers took a few shortcuts and didn't do it correctly - obviously the entire terrace isn't supposed to wash away when it rains. So not only did they have to redo it, they had to pay to get our pool professionally cleaned/suctioned. Once they did the terracing right we can now have a hurricane here and nothing washes away or in to the pool. Imagine if they had only done it right the first time!

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“Vertical cracks may indicate that structural components such as bricks or blocks have failed, and so can be a sign of significant stresses within the building structure,” he wrote. 

“Cracks that are wider at the top or at the bottom may indicate that there has been foundation movement, with the direction of the widening giving an indication of the likely direction of the movement.”

#19

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The bottom of the hillside reveals more of the aftermath from the landslide, which caused damage to this home. Despite some cleanup efforts, the car sustained severe damage.

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arthbach
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I'm not at all interested in the car. It's the post that is of concern!

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#20

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Back in 1956, a road crew excavated sediment and dumped it on top of the ancient landslide zone. This rendered the area geologically unstable and has been causing issues to this day.

Here, we can see this concrete slab that is tearing apart due to the ongoing land shifts. As Portuguese Bend has experienced decades of extreme shifting, it has become one of the most studied landslide areas in the nation.

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#21

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This homeowner was wondering why their retaining wall was failing. Looks like we figured it out…

Instead of utilizing rebar for reinforcement, a chain link fence was used.

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Jason
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Rebar isn't that expensive. With the fence as a mesh it may have helped. It's kind of hard to tell from the photo but it doesn't look very thick for a retaining wall either.

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Keyrouz classified these damages into three categories, depending on severity. Category three is the worst, which is likely what happened in many of these photos. 

They involve breakages ranging between 5 mm to 25 mm. Some causes include footing issues, rusting, moisture buildup in the walls, and impact damage. 

#22

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We're continuing to see numerous landslides stemming from the heavy rains earlier this year.

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brookeannsimmer
Community Member
3 months ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

What if, instead of digging out a gaint cavity to put in a pool, and replacing the plant life with fake grass, you didn't do either of those things, what about that?

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#23

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This retaining wall was built with the intention of supporting the hillside; however, it is visibly failing as it was not properly built to support the load.

The weight of the hill has caused the wall to split and lean, causing shifting in the sidewalk as well.

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TheBlueBitterfly
Community Member
3 months ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I'm dealing with this same issue. The retaining wall was built originally around 1900, replaced in the 60s. Not just my property, but my entire side of the street. Mine probably is in the best shape but it's still leaning outwards, the entire hillside is moving.

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#24

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There is now moss covering a majority of the retaining wall and the ground. Moss grows in environments with excessive moisture and needs it to survive. Therefore, the poor drainage in this area is the perfect breeding ground for it to thrive.

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When dealing with such problems, Keyrouz advises seeking immediate professional assistance. 

“The wall may need to be inspected by a structural engineer to determine what remediation work is required. There is a possibility that a section of a wall needs to be rebuilt.

“At the very least, an inspection by a professional and a plan of action needs to be determined – and acted upon as soon as possible.”

#25

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The landslide left the house susceptible to collapse so the need for temporary shoring was imminent. This shoring was put in by another company to support the roof from total collapse.

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Manana Man
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Maybe this is OP's point, I don't know, but the added shoring is grossly inadequate even for a temporary fix.

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#26

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This home is suffering from wood rot.

Removing and replacing wood rot with new framing is crucial as it can quickly spread and compromise the structural integrity of the building.

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#27

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The failure of this wall can be attributed to improper drainage and the absence of weep holes to relieve the hydrostatic pressure.

Hydrostatic pressure refers to the force exerted by standing water against a surface. When soil surrounding an area becomes saturated with water, hydrostatic pressure builds up against the walls. This pressure can lead to cracks, bowing, and other forms of damage to structures over time.

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Problems within the structure’s foundation are also common in these photos. As John King of Illinois-based King Waterproofing & Foundation Solutions points out, usual signs include doors and windows that stick and don’t close properly. Uneven flooring and gaps between walls and ceilings are also key indicators.

#28

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The failure of this block wall is due to a combination of factors, including excessive moisture in the soil and an improper footing. Proper footings are essential as they distribute the weight of a structure evenly to prevent failure.

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JoMeBee
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Building inspectors (as per title) really wouldn't care about retaining walls unless the structure was sitting on top of it. A lot of these are just hardscaping.

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#29

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It's imperative to take proactive steps, such as building a retaining wall for example, to mitigate the risk of potential landslides before they occur.

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Manana Man
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

A hillside that steep is never going to support itself unless it's solid rock.

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Besides water issues and poor construction, root systems from large trees can damage a house’s foundation. For this, King offered a valuable tip. 

“It’s recommended to maintain a safe distance between trees and the foundation, and to regularly inspect and trim tree roots as necessary.”

#30

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Excessive moisture in the soil caused the failure of this pipe and board.

Additionally, the pipes were not embedded deep enough into the ground to adequately support the weight of the hillside and withstand the moisture.

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Papa
Community Member
3 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

The pipes are not only deep enough, they aren't large enough either.

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Note: this post originally had 93 images. It’s been shortened to the top 30 images based on user votes.