Pre-Fence-Installation Checks Used To Prevent Structural Failure
Where do you think most people make mistakes when doing any type of construction project?
The answer lies in the things they leave as the easiest parts of renovations or building projects, such as decks and fences, which usually come last.
These things demand more than just basic construction measures and installations. As there are many structural elements, people forget to factor them in.
On top of that, they should be given the same attention as any other part of the backyard outline.
Plus, the consequences are seen only after a while, so if something collapses very fast or starts swinging from even the slightest wind, you will know for sure that there is a missed step in construction.
Key Checks That Prevent Structural Problems Before Installation
To begin with, it is important to know that before analyzing soil conditions, load behaviour, etc., there should be a study of whether the installation meets the structural plan.
As with anything else, deck or fence projects should be done as a shop drawing; environmental exposure makes a huge difference.
So, if misalignment or anchoring is unclear at any given time, the structure is instantly less reliable.
Not to mention, if your house is on uneven terrain, there are automatically drainage problems or potential lateral movement. If you want the project to be executed correctly, then you need a certain level of expertise. It’s easy to install a fence when everything is by the book. But when issues arise, what then?
This is the main reason why most people will work with businesses that specialize in fences and fencing installation, such as Buffalo Valley Fence. This way, they can be confident that regardless of which challenges/issues come up, the fence will be properly installed (and it’ll last).
Soil and Ground Stability
Start with soil. Soil is what determines the foundation and whether something’s gonna be suitable. It is the reason why there are many leaning fences or uneven decks.
The simple answer to that is that a poor or unsuitable soil cannot support additional post loads. As any other natural element, soil reacts in different ways when it’s exposed to weather and environmental conditions.
For instance, if the project is in a more humid area, the moisture will influence the clay in the soil, expanding it.
| Expansive clay soils can swell significantly when exposed to moisture changes. This can generate enough pressure to move/lift structural elements (e.g., foundations, fences, etc.). – University of Illinois Urbana-Champaign |
This way, posts can be pushed sideways or upward.
What’s more, filled soil can also cause uneven load distribution, which later on might jeopardize the whole construction.
Load and Wind Forces
There are different forces affecting those structures, and understanding how they work plays a very important role in whether they’re going to be stable over time.
When building decks, the main structural elements bear vertical loads, such as people, furniture, and additional structures on top of them. With that being said, those loads must be safely transferred through beams and posts into the ground.
Though decks confront one kind of force, fences and railings act as vertical surfaces. So, their primary load condition is lateral wind load (creating lateral force).
| Even low wind speeds can generate notable lateral loads on vertical surfaces. – Purdue University |
Over time, the stress they are exposed to comes down to the most crucial areas, especially the places where the most important elements are combined.
Without a proper load distribution, there is a chance for loose railing, tilted fences, or worse, their collapse.
Check How the Structure and Materials Connect
The place where the initial problems start is usually the connection points, which are influenced by materials and loads.
| Structural failures usually initiate at connection points. This is due to stress concentration or improper fastening. Material incompatibility can also be a common issue. – Virginia Tech |
Here’s a great example:
Wood (depending on which type of wood, of course) can be weak when used in overly humid areas, causing weak joints, which in turn creates extra stress. What follows is rot/decay.
So the important step is to properly transfer and distribute those loads, properly fastening structural components, or providing them with extra support.
Just like deck loads are tied to houses with the help of ledger boards, if not fastened enough, this makes the whole system more vulnerable to structural failure.
As for materials, they all serve different purposes and weather conditions. If the property is in an area that has high temp swings, materials that are prone to expansion, corrosion, and/or decay may not perform well in such conditions (e.g., untreated wood, uncoated steel).
Those are metals and wood. But combined or more processed materials made with the intention to support connection points, not to make them weaker.
In practice, weakened joints are the easiest to see, as their failure is directly shown in separation from the house or localized collapse of elements.
Conclusion
To sum it up, what seemed to be the simplest structure, over time, turns into one needing the most repair. But modest systems tend to overlook the crucial and most basic factors.
That being said, they should be thought of as isolated systems, which need to be interconnected with the main one, like a house or backyard. Their effectiveness is less about material qualities, but whether the chosen material suits the other elements, and also how well conditions are reviewed in advance.
Common to the conclusion that early checks and proper choices determine the longevity and stability of the structure.
