The whole nature of concrete structures is to create a cohesive structure of reinforced concrete. In such a structure, the use of high quality concrete is a key condition in the strength of the building.
It is true that quality concrete is made of high quality materials, but it is necessary to create the right mix of materials in a basic mixing scheme with a concrete mixer.
For many years, in the field of civil engineering, researchers have been trying to achieve a variety of concrete mixing designs to be able to provide this material in specific conditions for specific needs.
But apart from academic research in the creation of special concretes, there are standardized formulas for the preparation of concrete suitable for the manufacture of conventional structures.
Concretes that are introduced with grade criteria. In this criterion, various concrete construction formulas have been applied for all types of industrial to residential constructions.
Therefore, if you are in a normal construction and construction space, having concrete with a grade of 150 will be enough for you.
If you trust the ability of companies active in the field of concreting to achieve the concrete you need, you will not have to worry about providing a quality concrete with a grade of 150.
But if you are going to do it yourself and make 150 carats at the level of the concrete construction project, you should know enough about the correct formula.
For this purpose, we have prepared the following article so that we can prepare a strong and professional approach in creating concrete of suitable quality.
Why a 250 liter concrete mixer?
In compiling this article, we seek to achieve a simple formula. A formula that can, with a simple number, along with simple construction scales, easily prepare the ground for making concrete with a grade of 150.
In such a formula, we have to discuss how much cement, sand, water and additives you have together, and by mixing in a concrete mixer, you can get high-quality concrete with a grade of 150.
We can have our simple formula when the criterion of our capacity is a constant value.
In fact, we have to prepare our own formula for a specific concrete mixer.
Since most active concrete mixers in urban construction spaces or other common construction spaces are 250 liter models, we also have our own formula for making concrete with a capacity of 150 liters, taking into account the 250 liter tank capacity of this model from we have prepared concrete mixer.
Obviously, if you are an activist in construction and construction spaces with a concrete mixer in different capacities, you should convert the numbers in the construction formula mentioned in this article to work with your concrete mixer with a simple fit factor.
What is the meaning of concrete grade?
High quality concrete comes with a standard mixing design. But not all standard concretes are made of the same proportion of cement, sand and water.
In fact, depending on the needs of the construction project or the location of the concreting space in the operation, we need different degrees of concrete strength.
For example, you can never equate the concrete used for a building several hundred meters with a concrete plan with enough strength to build a simple residential building.
In this way, a criterion called concrete grade is introduced. This criterion represents the degree of strength of concrete. The higher the grade, the stronger the concrete should be.
But it is better to consider the cost of making higher quality concrete as your criterion.
You can use the best quality concrete for any construction, but you must also bear the consequences of the much higher cost of using such concrete.
But in civil engineering, modern buildings are examined in a categorized way.
In these classifications, each structure must provide standard degrees of strength. Therefore, in many residential buildings, you can provide a defined standard strength value with a 150-degree concrete, which incidentally is not very expensive.
But where did these numbers come from to introduce concrete grade? In fact, the criterion of concrete grade is the amount of cement in it.
The presence of cement in concrete is a serious criterion in defining its strength. But the presence of this material must be within a certain range.
Therefore, in a defined volume, the higher the percentage of cement in the volume of concrete, the higher the strength of concrete. Of course, as far as you can follow this higher percentage presence.
Because in quantities higher than 400 kg of cement per cubic meter of concrete, the degree of final strength of concrete will decrease.
Therefore, to achieve standard concrete, you must consider the ratio of the presence of cement per cubic meter of concrete between the numbers 100 to 400 kg.
In low grade concrete, we see the presence of 100 to 150 kg of cement per cubic meter of concrete.
In high-grade concrete, about 250 to 400 kg of cement per cubic meter of concrete is used. But what is the criterion of our construction formula in this article is to achieve medium grade concrete in which about 150 to 250 kg of cement per cubic meter of concrete will be used.
Preparations for making concrete with a grade of 150
In achieving a simple formula for making 150 carat concrete, our goal is to introduce a few numbers so that you can use them to prepare the basic amount of each material in the preparation of concrete
For this purpose, before proceeding to the final formula, it is necessary to prepare the basics.
The presence of a concrete mixer that is used to make concrete in the workshop environment.
Since the most common concrete mixers at the level of construction and urban instruments are 250 liter models, we have also prepared all our criteria in formulating the final formula based on the presence of this capacity of concrete mixer.
As mentioned, for other capacities, a simple fit factor is sufficient.
When we talk about 150 carat concrete, we now know that we mean 150 kg of cement per cubic meter of concrete. Since each bag of cement produced by factories has a standard capacity of 50 kg, so by preparing 3 bags of cement, you have prepared the ground for the creation of one cubic meter of concrete with a grade of 150.
Keep in mind that the capacity of concrete mixers is introduced in liters. But you end up needing cubic meters of concrete.
Therefore, if you divide the capacity per liter of concrete mixer by 100, you will calculate the ability to supply concrete in cubic meters for each operation of the concrete mixer.
In this way, each time the operation of the 250 liter concrete mixer will be a little more than 0.2 cubic meters of concrete.
Therefore, to reach 1 cubic meter of concrete, you have to prepare 5 concrete construction operations with a 250 liter concrete mixer.
In the calculations, we consider each liter of water to be equivalent to one kilogram of water. A simple calculation of the amount of water required, equivalent to half the weight of cement, is used.
For example, in one cubic meter of 150 grade concrete, which requires 150 kg of cement, you should have 75 liters of water.
Do not forget the correct ratio in the final material, i.e. the use of sand. The final volume of concrete is prepared with the presence of sand. These materials will make up about 80% of the volume of concrete. But the principal ratio in mixing three units of sand is one unit of sand.
With this in mind, we need 60 percent sand, 20 percent sand, and 20 percent water-cement mix to make 150-grade concrete. Of course, mixing water and cement is one to two.
Now, considering these numbers, we can finalize the preparations for making 150-grade concrete for each activity of a 250-liter concrete mixer.
Formula for making 150 grade concrete for each activity of 250 liter concrete mixer
We have already mentioned that each time the operation of 250 liter concrete mixer will finally provide us with a little more than 0.2 cubic meters of concrete. Therefore, we need to complete the concrete construction operation 5 times to access one cubic meter of concrete with the help of a 250 liter concrete mixer.
But we finalize our final formula for each concreting operation with a 250 liter concrete mixer. For this purpose, the following items with the proposed size are needed.
30 kg of cement
11 liters of water
120 kg of sand
40 kg of sand
With the right preparation of materials in the specified weights, you can have something like 0.2 cubic meters of 150 grade concrete with each operation of 250 liter concrete mixer.
But the next question is how can we get the weights in question? Because we definitely cannot be the scales by hand at the level of construction operations and weigh each of the materials that are to be poured into the concrete mixer !!!
Doing such an operation is practically impossible and time consuming. So we need another scale to complete the process of making 150 grade concrete.
A scale that is very simply embedded in the stature of construction shovels. Since each shovel has the capacity to carry 3 kg of each of the bulk building materials, you can easily have it at the right scale to achieve the right proportion of each material.
In this way, we will need 10 shovels of cement, 40 shovels of sand and 14 shovels of sand for each operation of 250 liter concrete mixer to reach concrete with a grade of 150. Preparing 15 liters of water will not be a difficult challenge.
Useful knowledge to create better concrete
Sand materials make up a large part of the volume of concrete. The two must be mixed properly according to the grade of concrete. But as the percentage of concrete grade increases, we must consider the ratio of sand to sand.
To achieve the right amount of water, we predict a number equal to half the weight of the cement. But if our materials already have moisture, are we still required to follow this simple principle? Basically, sand materials come with a percentage of moisture.
Therefore, the amount of water that goes with the wet sand to the concrete construction operation should be considered in advance, and the weight of water calculated in the conditions of using dry materials should be reduced.
We present a simple scale with common shovels in construction spaces. But sometimes it is seen that some people like to enlarge their scale and have it with a van.
Therefore, to make concrete with a grade of 150, you must have 4 vats of sand and 2 vats of sand. Keep in mind that by choosing a vane as a scale, you can consider 15 cubic meters per cubic meter of concrete.
In new constructions, there is a wide presence of concrete materials. Concrete is in any case a very hard and durable material that, along with a large and structured steel network of intertwined rebars, is able to create an integrated structure of reinforced concrete.
It should be noted that high quality concrete is made only by the presence of the right combination of basic materials, namely cement, sand, water and some additives. An issue that will drive you to buy a concrete mixer during any professional concrete construction operation.
In the meantime, your special look is definitely in preparing 250 liter concrete mixer.
Because this volume of concrete mixer is much cheaper than heavyweight models, and at the same time its workload will be sufficient to meet the needs of ordinary spaces in today's construction.
Put the subject of preparing a 250 liter concrete mixer next to the need to prepare concrete with a grade of 150, which is quite sufficient to complete ordinary structures.
It is then that everyone will realize that in order to achieve the highest work efficiency with the presence of a 250 liter concrete mixer, it is necessary to have sufficient skills in producing 150 grade concrete with such a concrete mixer.
However, concrete mixer in models with different volumes is the only known construction tool that is able to produce concrete with suitable quality levels. But this powerful building tool will have almost high prices at the time of purchase.
Since any construction operation in any case requires a sample of concrete mixers, facing the challenging price of concrete mixers is inevitable.
But smart people know that there are a number of factors that can have a positive effect on the selection process to buy a concrete mixer.
For example, the correct understanding of this story is the construction of concrete with a grade of 150.
When you know that such concrete with a capacity of 250 liters concrete mixer is enough for your work, you no longer need to be in the trouble of having heavier mixers or knowing the formula for making stronger concretes.