There are several good reasons to start making your own concrete fence posts.
The first is significant cost savings, since the price of such structures is 30-40% cheaper than factory concrete posts.
The second reason for the popularity of making poles with your own hands is the ability to freely choose the size and shape of the cross-section. This is especially convenient and justified when building non-standard fences, installing wickets and gates.
In addition, standard concrete pillars, as a rule, do not have embedded parts.
Therefore, quickly and reliably attaching wooden or metal purlins to them is very difficult. In the poles of our own production, embedded parts can be placed exactly in those points where it is required by the fastening scheme you have chosen.
It's no secret that concrete fence posts are strong and even only when a good formwork is made for their casting. Therefore, you should not skimp on this design. The more carefully you make it, the more pillars will come out of it.
The simplest formwork option is a wooden box structure. Three sides and ends are made of planed boards, and the fourth is left open for pouring concrete.
In order for the cement laitance not to flow out of the formwork, the boards should be carefully adjusted, and even better - lay a plastic wrap, oilcloth inside the formwork or veneer its walls with plastic. Such protection will protect the formwork from deformation and swelling. Concrete and smooth walls that do not absorb water come off very easily, so there will be no problems with disassembling such a formwork.
It is better to assemble a structure from boards using screws, because, unlike nails, they can be easily removed without damaging the boards.
To make concrete fence posts strong enough it is necessary not only to use a strong mortar with a cement to sand ratio of 1: 2 or 1: 3, but also prepare steel reinforcement.
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… the next morning, after redesigning my first computer, I pressed the power button and, not hearing the usual howl of a fighter taking off, I thought that the computer was broken!
Currently, there are completely silent desktop computers that have liquid cooling and an electromagnetic pump (no moving parts). But, if you are reading this article, then you most likely have a noisy budget computer. Read more at
This article is about how to assemble a relatively quiet computer from the cheapest components or calm an existing one.
Just need to make a reservation that assembling a quiet and at the same time very productive computer based on a budget case will most likely fail. And there is no particular point in saving $ 100 - $ 120 with the total cost of the system unit - $ 1000 - $ 1500.
It is assumed that it is required to reduce the noise of the system unit, which consumes 80 - 160 watts.
Further we will talk only about the budget case, which, together with the power supply unit, costs 20 - 30 dollars. There are many variations of these cases, but in terms of cooling, they differ only in the ability to install a front fan.
A desktop computer has only two constant sources of noise, fans and hard disk drives (HDDs). A thin-walled metal cabinet serves as a resonator for this speaker.
The easiest way to reduce fan noise is to reduce the RPM of the propellers. Reducing HDD noise will require a major redesign of the case.
To minimize fan noise, it is advisable to think over the cooling system before purchasing a case, unless of course you have already purchased it.