Concrete composition: 22.5 p3 F200 W6 A3. Concrete b22 5 characteristics

Ready-mixed concrete – M300 / B 22.5

BUY CONCRETE M300 B22.5

The concrete grade M300 is one of the most popular. In factories and factories that deal with reinforced concrete products and structures, floor slabs are produced from it, as well as FBS blocks, interior monolithic partitions and walls. Concrete grade M300 B22.5 can be classified as heavy commercial concrete, having mobility P2-P4 and rigidity Z1-Z4.

Main components

Among the main components of M300 concrete, the following can be distinguished: crushed stone (lime, gravel, granite), cement (M-400, M-500).

Application of M300

Concrete concrete M300 is most often used in the construction of monolithic foundations (pile-grillage, strip, columnar, slab), as well as for concrete stairs, steps, blind areas, and paths. Ready-mixed concrete class B22.5 M300 is a leader in sales for private construction and allows the construction of strip foundations for fences, sidewalk paths, retaining walls, and sewer wells. In addition, monolithic walls and floor slabs are made from M300 concrete. During the Soviet era, according to CMEA 1406 standards, M300 concrete was intermediate and was prohibited from being included in design documentation. But in reality this is one of the most popular options. Concrete grade M300 is often classified as classes B22.5 and B25. Concrete M300 is characterized by increased strength, frost resistance and abrasion resistance.

You can buy M300 concrete at prices directly from manufacturers by studying our price list. Delivery is carried out to any area of ​​Izhevsk and the Udmurt Republic. Products are manufactured on modern equipment. Concrete M300 B22.5, produced by , has a quality certificate along with all the necessary certificates. Raw materials and finished products undergo strict control in a certified laboratory of the plant. According to design parameters, or according to customer requirements, during the production process it is allowed to introduce additional additives into the concrete mass, namely plasticizers, which increase the water resistance coupled with the frost resistance of concrete.

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Composition of concrete M300

• Cement grade M400/M500
  The main component of M300 concrete. The use of low grade cement is unacceptable for technical reasons (GOST 23732-79) - finished products from such raw materials will be of low quality and will be unsuitable for use.
• Purified water
  According to GOST 23732-79, the use of water without chemical and biological impurities is allowed. The pH value can fluctuate between 4-12.5 pH. The content of sugars and phenols is acceptable in volumes not exceeding 10 mg/l.
• Crushed
  stone Gravel and granite are used. The size of crushed stone fractions ranges from 50 to 150 mm, without impurities and obvious cracks. The strength of the filler should be 2 times greater than the final mixture, which guarantees the strength of concrete structures and their resistance to deformation.
• Sand
  Sand of natural and artificial origin is used, without admixtures of clay and other compounds, with a density of 1.8 kg/m3. If for some reason sand of insufficient quality is found in production workshops, Eurocontract LLC carries out additional cleaning right on site.
• Additives
  To increase the rate of hardening, increase frost resistance, remove excess air from the finished mixture, or improve any of the characteristics of M300 concrete, we use special certified additives. According to GOST 23732-79, they should not be more than 0.1 - 0.5% of the total volume of the product.

price per cube with delivery to Rostov-on-Don

M-300(B22.5)

3350 ₽ per m3 (cash)

3450 ₽ per m3 (cash)

To perform concrete work, certain brands of mixtures and solutions are used, which are based on cement, fillers and additional components that improve the quality of the building material. The most popular concrete is M300; the price in Rostov-on-Don varies depending on the manufacturer.

Our company offers ready-mixed concrete B22.5 of high quality and at a competitive price, which is available to all customers. Delivery is carried out by specialized transport.

The increased strength of concrete determines the scope of application of M300. Its demand is evident in the manufacture of structures that have significant requirements for frost resistance and moisture resistance. At the same time, concrete elements from this class of concrete are characterized by good strength properties.

Note: concrete grade M300 can have different mobility from P1 to P4. The value of this indicator is determined based on the method and height of the mixture supply.

Technical characteristics of concrete M300 (strength class B22.5)

The table gives the main indicators of the properties of the commercial solution, on the basis of which its scope of application is determined.

Indicators Value

B22.5 concrete is able to withstand mechanical and chemical stress. You need to know that any brand of mortar does not reach full strength immediately after installation, but over a certain period of time, which is at least 6 months. But the main changes in strength characteristics occur within 28 days from the moment the solution is prepared.

The price for M300 concrete in Rostov-on-Don is determined depending on the type and quantity of fillers. A mixture with crushed gravel is more expensive, since the inert material has improved strength and quality indicators. Sand and crushed stone create a structural foundation that can not only take on heavy loads, but also absorb and soften stress.

Features of manufacturing M300

To achieve certain characteristics according to standards, the manufacturer constantly measures the quality of the manufactured material. Therefore, M300, in its consistency and ductility, as well as the operational properties of hardened reinforced concrete elements and structures, fully complies with GOST.

Technologists can change the composition of the concrete solution at the customer’s request. The adjustments concern the following points:

• Adding frost-resistant additives;
• Changes in concrete plasticity category;
• Introduction of accelerators for binding mixture particles into the concrete fraction.

Note: At the same time, the standard proportions for the M300 are strictly observed according to the prescribed standards.

Scope of application of M300 concrete

Concrete B22.5 is used in the construction and industrial sectors. From concrete mixture:

• Staircase and composite structures, curbs, rings, floor and fence slabs, beams, paving slabs are manufactured;
• monolithic foundations are poured for buildings and structures for various purposes, road surfaces, supporting and retaining walls;
• Paths and blind areas are concreted.

What determines the cost of a cube of concrete grade M300 (B22.5) with delivery?

The cost of M300 concrete per cubic meter including delivery depends on many factors, but the most common are the following:

• distance to destination
• the presence of special additives, including antifreeze additives

Concrete sets in just a few hours, so it should be quickly delivered and laid on site. The BetonYug company produces and sells M300 concrete with delivery to any facility in Rostov-on-Don.

Where to buy M300 concrete in Rostov-on-Don?

Our company sells M300 concrete. The price in Rostov-on-Don is acceptable for every consumer. Manufacturer delivery is provided for purchased goods, but if specialized transport is available, pick-up is also possible. You can order concrete mixtures on our website. When registering, you can choose a convenient payment option - cash or non-cash payment. Contact us and buy quality products in any volume and at an affordable price.

Delivery order

delivers concrete directly to the construction site. For this purpose, specialized mixer vehicles are used, and, if necessary, a pump pump is used to supply the concrete fraction to the upper floors of the building.

Our company, as a supplier, always guarantees compliance with its obligations. Therefore, the developer can be confident in the quality of the delivered concrete and its timely arrival at the site.

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Features of manufacturing M300

To achieve certain characteristics according to standards, the manufacturer constantly measures the quality of the manufactured material. Therefore, M300, in its consistency and ductility, as well as the operational properties of hardened reinforced concrete elements and structures, fully complies with GOST.

Technologists can change the composition of the concrete solution at the customer’s request. The adjustments concern the following points:

• Adding frost-resistant additives;
• Changes in concrete plasticity category;
• Introduction of accelerators for binding mixture particles into the concrete fraction.

Note: At the same time, the standard proportions for the M300 are strictly observed according to the prescribed standards.

Density of concrete M300 (B22.5) - cube weight

The density of concrete M300 (B22.5) is determined to a greater extent by the amount of coarse aggregate and its type, and to a lesser extent by the characteristics of the sand used and the type of additives.
Depending on the hardness of the prepared heavy mixture, the density can vary from 2300 to 2500 units. Lightweight concrete of this brand can have a density of 1700 kg/m3. This brand is used for monolithic construction and foundations. As a rule, such concrete is used when it is necessary to build a strip or bored foundation, but it is also suitable for constructing walls or ceilings using monolithic technology. This mixture can be made independently, however, if large volumes are required, it is better to contact the factory. For example, to fill the foundation, it is more advisable to order several ABS than to make the solution yourself.

Grade M300, like any other concrete, includes 4 main components, which allows you to adjust its density within a fairly wide range. It should be noted that the possibility of a wide spread of parameters for the same brand strength depends on several factors, such as the hardness of the mixture, the components used, etc. Knowledge of density is necessary when carrying out strength calculations and determining the weight of structures constructed using monolithic technology.

The density of concrete M300 (B22.5) largely depends on the components included in its composition.

Their proportions are strictly regulated, but the type remains on the conscience of the manufacturer, so below we will describe the main points that affect the characteristics of the mixture:

1. Cement. Binder is the main component of concrete. It is this that influences the brand of artificial stone. The role of the binder is to combine the grains of the materials included in the mixture into a strong structure. The density of cement exceeds this characteristic of ready-made concrete by 1-2 times, since its share in the solution is small.
2. Sand. This is a fine aggregate, the task of which is to fill the cavities and voids between the grains of crushed stone. As a rule, for the M300 brand its mass is no more than 30%, so the contribution of sand to the density of artificial stone is much higher. The density of fine aggregate depends on the size of its grains and averages 2200 kg/m3.
3. Crushed stone. Large aggregate, which is evenly distributed throughout the volume of the mixture, after gaining strength, turns into the “skeleton” of the structure. Most of the compression loads fall on it, so the volume of crushed stone is quite large. If we take into account the density of this material, reaching 2600 kilograms per m3, then it becomes clear that the influence of coarse aggregate on the density of artificial stone will be great.
4. Supplements To increase certain characteristics of the mixture, various substances are used. However, of all the additives, the greatest influence on the density of concrete is exerted by plasticizers, which make it possible to obtain mixtures with a low ratio of water to cement, which are characterized by a large mass.

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Mixture consumption 300 per 1 m3

The average consumption rate is usually indicated on the packaging. However, as a rule, the type of construction work carried out greatly influences it. So, making a screed will require less material than pouring a foundation.

The yield of M300 sand concrete is calculated using several methods.

Costs of sand concrete when screeding

Correctly calculating the need for materials will require knowledge of several parameters, such as: surface area, thickness of the screed layer and the average cost of the mixture to produce a cube of working solution. So, to lay 1 m2 of 10 mm thickness you will need about 20 kg of dry mixture. Based on this knowledge, you can easily calculate the required amount of building material for an object with any area and the required screed thickness.

Costs of sand concrete for the foundation

When pouring a cubic meter of foundation, the consumption of dry mixtures is approximately 1.5-1.7 tons. The material is packaged in bags of various weights (20, 25, 40, 50 kg). This is what we need to build on. Elementary mathematics. We divide 1500 kg by the weight of the material in the bag, for example 50 kg, and we get the required number of these bags to fill one cube, i.e. 30 pieces. Next, we multiply this value by the volume of our foundation.

Concrete M-300 (B 22.5) F200 W6

High quality concrete M300

Production of high quality ready-mixed concrete B-22.5 / M-300. The combination of the low price of grade 300 concrete and prompt delivery will allow our customers to save both money and time. The production of ready-mixed concrete grades B-22.5 / M-300 is carried out using fillers such as gravel and granite, as well as crushed limestone.

Also, grade 300 concrete can be seen in sale as ready-mix concrete BSG, with a mobility indicator “- P -” - from two to four. Following the concrete classification system that complies with the standards - “SEV-1406”, ready-mix concrete type B-22.5 / M-300 is located at an intermediate level, however, due to its increased strength coefficient, thermal conductivity and frost resistance, ready-mixed concrete M-300 of this brand is widely used at all construction sites.

Areas of application of M300 concrete and properties.

The practice of using ready-mixed concrete M300 is known in the construction of highways, floor slabs, retaining and monolithic walls, collector systems, blind areas, stairs, and paths. M300 concrete is also used for casting pile-grillage, strip and slab foundations.

Prices corresponding to M300 concrete with certain properties can be found on the website. There are no special additives in regular 300 grade concrete. They are included as needed. For example, M300 concrete, which includes an anti-frost additive in the required proportion, can be worked at temperatures of -5°C, -10°C or -18°C.

Concrete M300 w22.5

Ready-mixed concrete grade M-300 (B 22.5) is used mainly for the production of monolithic foundations: strip, slab, pile-grillage; blind areas, paths, fence strips, stairs, retaining walls, floor slabs, monolithic walls, etc.

In the modern concrete classification system, adopted in accordance with SEV 1406, the class of concrete grade M300 - B 22.5 occupies an intermediate level. And in general, it should not appear in project documentation. However, documentation is one thing, and personal experience is another.

Concrete M300 (B 22.5) is the most frequently ordered grade of concrete. In practice, M-300 concrete is a bestseller. Although more than a dozen years have passed since the USSR adopted these same CMEA 1406 standards.

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Concrete M300 BST V22.5 P3-P4 F200 W8

Concrete M300 is a unique building material of its kind. It can be used for the construction of load-bearing walls of various sizes, as well as other building structures, such as curbs, fences, stairs, wells, blocks and slabs. Concrete grade M300 is a kind of middle link from the transition from light types of concrete to heavy ones. Also, M300 concrete is the ideal combination of low price and high quality.

Properties of concrete M300 BST V22.5 P3-P4 F200 W8

According to regulatory documentation and quality standards, M300 concrete has an intermediate strength characteristic of B22.5. If you mix it with high-quality cement or use other available additives, its strength can be increased to B25. Concrete of this brand is no less in demand than concrete of the M200 brand and other types of mixtures, although the brand of M300 concrete is not so often found in construction documentation.

Depending on the properties and characteristics of the main constituent materials, the properties and price of M300 concrete may vary. Most often, the properties and price per cube of M300 concrete take into account several factors, namely:

• sand fractions, which can be fine-, coarse- and medium-grained;
• varieties of stone aggregate, which can be gravel or granite crushed stone;
• volume and type of plasticizers that are added to the mixture to improve its individual operational parameters.

The cost of a concrete M300 mixture can be determined not only by the quality of the original ingredients and substances. Pricing is influenced by several factors, including technologies and recipes for preparing the solution, equipment used for mixing, and the qualifications of specialists working in production.

Technical characteristics of concrete M300 BST V22.5 P3-P4 F200 W8

Scope of application of concrete M300 BST V22.5 P3-P4 F200 W8

M300 concrete is used in the construction of buildings for various purposes. It is suitable for the construction of both low-rise and high-rise buildings. This type of concrete is very common in the construction of private houses. The price of M300 concrete per cubic meter is quite low, and the quality surpasses all well-known brands, which is why its popularity is growing, increasing demand.

This material is also good because it does not belong to the category of lightweight building mixtures, but at the same time it has very high strength and is not capricious to adverse environmental factors.

By choosing M300 grade concrete for construction, you can save money without losing the precious quality of your future construction. Concrete M300 rather reluctantly absorbs moisture, which is undoubtedly its advantage. In addition, it is resistant to frost. It can be used even in regions with fairly harsh and cold climates.

The inexpensive cost of M300 concrete is not its only advantage, however, for the construction of a multi-story building, this advantage is one of the most significant. Moreover, for a low price you get an excellent, high-quality and durable building mixture.

In general, the scope of application of concrete grade M300 is quite wide and extensive, given its increased water resistance and strength. The most common ones include pouring foundations for buildings of any purpose. Construction of fence strips, creation of support and retaining walls. Installation of floors (monolith) and interfloor slabs, construction of stairs, slabs and other composite structures. Manufacturing of curbs, rings for wells and other products, concreting paths.

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Concrete grade M300 - price, scope and characteristics

Not every building material is as versatile as concrete B22.5 (M300). You can buy concrete from Ecobeton LLC. The ready-made mortar is widely used for pouring support posts for fences, parking lots or bus stops, as well as foundations of various types and purposes.

There are concrete mixtures on the market that differ in composition and areas of application. Among them, concrete B22.5 (M300) is especially popular, its characteristics are somewhere between M200 and M400. It differs from the first by improved properties, and from the second by a more optimal cost. The mixture of this brand has a high level of frost resistance, density and strength, therefore it is ideal for the construction of structures designed for a high level of load during operation. In our company, the price of M300 concrete with delivery is optimal in the region.

Scope of application of concrete B22.5 (M300)

The mixture belongs to class B22.5; in construction it is used for the construction of such objects as:

• structures for various purposes;
• road surface, curbs or sidewalks;
• fences;
• monolithic concrete foundation for buildings of various sizes and heights;
• staircase steps and landings;
• sewer systems.

Concrete grade B22.5 (M300) is suitable for pouring paving slabs and producing reinforced concrete products.

Technical characteristics of the mixture B22.5 (M300)

The characteristics of a given brand of concrete depend on the ingredients included. The finished product has the following properties:

Indicator Values

The specific gravity of a cube of M300 concrete is from 1 t 800 kg to 2 t 500 kg. The lowest indicator is observed when limestone is added to the composition, the highest when crushed stone from hard rock is added. produces a high-quality mixture that belongs to the heavy types. The finished product is characterized by a low level of moisture absorption, maintaining all properties with a large number of freezing and thawing cycles.

Our company works with granite crushed stone, which gives the solution special strength. As a result, the risk of deformation of finished structures is reduced to zero. When producing M300 concrete, thoroughly washed sand with particle size modules of 2.5 mm and above is taken.

In addition to these three components, plasticizers, various additives to improve technical performance, and water purified from impurities are used. The volume of liquid is calculated individually in each case; this indicator depends on the quality of the raw materials and weather conditions at the time of working with the solution.

Composition of concrete mix M300

The composition of the concrete solution, components, their quality and proportions are strictly regulated by GOST; depending on the type of mixture and the ratio of ingredients, concrete is divided into certain grades and classes.

According to GOST, concrete B22.5 M300 contains the following components:

• Portland cement - grade M400 or M500;

• Crushed stone - one of three types is used: granite, limestone or gravel. The permissible size of fractions is within the range of 5 – 70 mm;
• Sand – you can choose from quarry, river or expanded clay sand, grain sizes from 1 mm to 2.5 mm;
• Purified water.

During production, plasticizers can be added to hydraulic concrete class B22.5 M300, which increase the basic characteristics of the material, such as:

• Resistance to frost and temperature changes - for the ability to carry out work at any time of the year, especially at sub-zero temperatures;
• Water resistance – for the construction of near-water or underwater structures;
• Mobility - to create a more fluid solution without loss of quality.

All components used to create the solution must be of high quality.

Portland cement with strength grade M400 - 500, dry, without lumps and damp places, with a sufficient shelf life.

The sand is homogeneous, free of impurities and debris, water is free of foreign odors and chemical impurities that can affect the setting of the solution.

Crushed stone filler with sufficient strength grades of different fractions, this is necessary to reduce the gaps between components and increase the strength and density of concrete.

You can make M300 concrete yourself; no special skills or tools are required. All you need is a concrete mixer, a shovel and a container for ingredients. You can purchase the necessary materials at any hardware store.

Proportions of main ingredients:

• Cement - 1 part;
• Crushed stone - 3.7 parts;
• Sand - 1.9 parts;
• Water - 0.6 parts.

It is important to strictly follow the recipe; any deviation can lead to unreliability and destruction of the entire structure.

Concrete takes about a month to gain sufficient strength, during which time it acquires the necessary properties.

M300 concrete requires 6 months to achieve 100% strength.

Strength classes

The concrete grade M300 demonstrates a fairly high strength class. The class is the most important characteristic of the solution and directly affects the scope of use of the mixture, the durability and reliability of the structure, and the ability to resist different loads. When making concrete, the class and grade must be taken into account.

The marking is determined by the current GOST, the brand is designated by the capital letter M and an indicator in numbers, which reflects the maximum compression pressure that the material can withstand. Concrete grade 300 demonstrates a tensile strength of 300 kg/cm2.

Compressive strength displays a class - an indicator with a capital letter B and the parameter is expressed in MPa (megapascals). The class of concrete demonstrates the strength properties of the solution, based on the coefficient of variation of the mixture - the indicator directly depends on the ratio of ingredients in the composition and the homogeneity of the mixture.

On average, concrete class M300 is B20-B22.5, but may vary depending on the composition. Heavy concrete M300 with class B25 is the strongest and can be used in the construction of serious large-scale objects. More durable concretes show the corresponding classes: cement M400 - B30, M450 - B35, for lighter ones the indicator is lower: M100 - B7, M200 - B15, etc.