Cement M600 is a modern building material that is used in a variety of fields when performing various types of work. The range of cement grades is wide - from M100 to M900, and M600 is considered one of the most durable and high-quality types of dry mixtures of this type.
M600 cement assumes very high performance characteristics of the concrete prepared from it, therefore it is used in a variety of works - when the foundation is poured, monolithic structures are created with or without a reinforced frame, floor slabs, beams, columns, etc. are made.
Description
The light color of cement is achieved by using raw materials with a minimum content of iron compounds (low iron clinker).
Additional mineral additives included in the composition are limestone, gypsum, and chlorine salts. A distinctive feature of white cement is its finer grinding than standard gray cement. Due to the small particle size, the specific surface area per unit of weight increases (4500 cm2/g for white cement versus 3500 cm2/g for gray cement). Thanks to this, the strength gain of cement is significantly accelerated and hydration occurs in a larger volume than with gray cement, which determines the high final strength.
Recommendations for using the material
The mixture can gain the required level of strength a couple of hours after pouring. This has a positive effect on the speed of work: formwork is dismantled, structures are concreted and put into operation faster.
However, due to the rapid setting of concrete M600, it is necessary to take into account a number of features:
- Concrete solution should be transported using special equipment;
- delivery to the construction site must be carried out in a short time;
- raw materials are unloaded directly near the construction site;
- unloading and stacking must be quick, which requires professionalism of workers.
Important! According to experienced craftsmen, it is best to order concrete from the manufacturer.
Advantages of white cement compared to gray:
- the ability to achieve a white color for products, grout, and plaster without the use of expensive titanium white (white dye for concrete) or by minimizing its consumption;
- accelerated strength gain;
- the low iron content and pH level of cement prevents discoloration of the pigments introduced into the composition;
- provides increased plasticity and crack resistance of the solution;
- reduced surface roughness of the finished product;
The high aesthetic and strength characteristics of white cement allow it to be used in various fields:
- for the production of grouting compounds;
- for processing facades (white or colored plaster or masonry mortar for facing bricks);
- as the main binder in the preparation of decorative white and colored(*) concrete (production of MAF, paving and facing tiles, etc.);
- in the manufacture of self-leveling floors.
Application
Gray additive-free Portland cement M600 D0 AKKERMANN Mega allows you to prepare high-quality architectural concrete for the production of paving slabs, paving stones, artificial stone and other piece products and MAF.
High-strength and durable concrete prepared on the basis of cement (class B30 and higher) is used for the construction of foundations and floors, floor screeds, rough leveling of floors and ceilings, urgent emergency work, etc.
High-quality additive-free cement plays a particularly important role in the preparation of building mixtures for various purposes.
White pigment price
If you need to get products or a mixture of white color, there are 2 solutions. Buy white cement or bleach gray cement with titanium dioxide (a white pigment for coloring concrete). To obtain a white color on gray cement, you have to add pigment in an amount of at least 5-8% by weight of the cement (depending on the color of the inert filler in the concrete). Moreover, the cost of titanium white is almost 50-80 times higher than the cost of gray cement. As a result, the price of white cement obtained using it (“bleached”) is higher than the cost of finished white cement. However, this option can be used if gray cement has already been purchased or a separate purchase of white cement is not justified taking into account logistics.
How much of each component is needed for 1 cubic M600
To prepare 1 cubic meter of concrete B45 (M600) you will need:
| Component | Quantity in kg | Quantity in tons | Quantity in buckets 10 l |
| Portland cement M500 | 500 | 0.5 | 45.5 |
| Sand | 500 | 0.5 | 33.5 |
| crushed gravel | 1150 | 1.15 | 69.5 |
| Water | 250 | 0.25 | 25 |
The result is 1m3 of M600 concrete mix, which weighs 2400 kg (2.4 tons).
If you mix concrete using Portland cement M400, you will need 533 kg of cement, 480 kg of sand and 1120 kg of crushed gravel.
When using 10 bags of M400 cement (500 kg), the yield of the finished mixture will be less than 1 m3 and will be 0.93 cubic meters.
When mixing the M600 concrete mixture yourself, it is recommended to use a concrete mixer with a capacity of 500 liters. In this case, 1 cube of the mixture can be prepared in 2 batches.
Source
Packaged white cement
The white pigment offered in the Legoconcrete online store is packaged in convenient plastic containers in which its characteristics are preserved for a long time. The strength of the packaging prevents damage during transportation.
If you do not need to prepare a large volume of mixture for your work, then buying packaged white cement will be the right decision both from the point of view of economy and from the point of view of transportation.
It must be taken into account that any cement ages and cannot be taken “in reserve”. After a year, unused cement can simply be thrown away. That is why it is worth buying exactly the amount of white cement that you need for the current job.
Types and technical characteristics
Concrete, which is made from M600 or M700 cement, is not called “military” for nothing. This nickname directly indicates the main area of its use: military facilities and special-purpose structures.
Manufacturers produce several groups of this binder; additional marks in the labeling reflect the main characteristics of a particular product:
- PC - the most popular and well-known category - ordinary Portland cement;
- B – quick-hardening material, most often used in emergency restoration work;
- BC is a white variety of cement M600 and M700, used in finishing and decorative processes;
- N – standard, which is manufactured according to a particularly strict recipe;
- PL or GF - plasticized or hydrophobic, characterized by good workability and high frost resistance;
- VRC – quick-setting, with the ability to increase in volume during hardening; used for sealing seams, cracks, plugging wells, repairing ships and in other cases when speed is needed during hardening of the material and urgent elimination of defects.
Cement grades M600 and M700 are used to produce high-strength concrete of class B40 or more, which is not used on every construction site. The material is not cheap and its demand in general construction production is low.
Cement M600 for general construction purposes according to GOST 10178-85 has the following characteristics:
| Start of setting, not earlier | minutes | 45 |
| End of setting, no later | minutes | 600 |
| Compressive strength after 28 days of curing | MPa | 58,8 |
| Flexural strength | MPa | 6,4 |
| Dispersity | cm2/g | 3200 |
In what order should you pour the self-mixing ingredients into the concrete mixer?
The volume of Lipon's concrete mixer is 180 liters. He loaded the pear like this:
- I filled in 11 liters of water.
- Then he threw 20 liters of crushed stone into the pear.
- Then 10 liters of cement.
- Added 20 liters of sand,
- I poured in 0.2 liters of plasticizing additive.
- I threw in another 20 liters of crushed stone.
- Now Liponya filled in another 10 liters of sand.
During the mixing process, we look at the density of the concrete. Add water from the remaining liter. At the finish we throw in 10 liters of crushed stone. The components were poured into 10 liter buckets.
I mixed concrete in a 160 liter concrete mixer. The mixture proportions are 1:3:4. I threw the ingredients in 12 liter buckets. Mesil like this:
- I poured 8 liters of water into the concrete mixer.
- Added liquid plasticizer to the water.
- I poured out all the rubble. It will be washed with water and removed dust.
- I filled in all the cement. I wait 3 minutes. If necessary, I change the angle of the pear.
- I filled up the 1st and 2nd buckets of sand. I am waiting. If the mixture is thick, add a little water.
- I pour out the 3rd bucket of sand.
FORUMHOUSE member 7profy shared the proven composition of concrete and the algorithm for pouring components into a concrete mixer.
I make concrete grade M250 in a 180 liter concrete mixer. Concrete composition by weight:
- cement M400 - 16 kg;
- river sand - 32 kg;
- crushed stone fraction 5-20 - 62 kg;
- water - 8 l.
- plasticizer - 250 ml.
Now, the same concrete volume in 8 liter buckets:
- cement - 1.5 buckets;
- sand - 3 buckets;
- crushed stone - 5 buckets;
- water - 1 bucket;
- plasticizer - 1 measuring cup.
Consumption rates
When answering the question of how much cement is needed per cube of concrete, you need to take into account its brand and the required structural strength. The release date is also of great importance, since this type of binder loses activity over time and is very sensitive to storage conditions.
Practice shows that it is more profitable to buy cement of a higher grade, since to prepare concrete or mortar of the same strength, it can be taken 15-20% less than low-grade cement.
For example, the cement consumption per 1 m3 of mortar of the “three hundredth” grade is: M500 - 500 kg, and M400 - 600 kg. To prepare one cubic meter of M200 concrete, you need to buy 400 kg of M500 cement or half a ton of M400 Portland cement.
To simplify the calculation of the composition of concrete or mortar, you can use the following formula: for structures that do not bear a large load (paths, floor screed, plaster), a ratio of M500 cement to sand of 1:5 is sufficient.
For foundations, floors and other critical structures, the proportion should be 1:2. For tub mortars, a ratio of 1:4 is usually used.
When deciding for yourself which cement is best to choose , remember that the date of its release is no less important than the brand. Even if all storage conditions are met, it loses about 10% of its activity every 30 days. This means that if 3 months have passed since the date of manufacture, then instead of the M500 you will buy the M350.
If the cement has been in the warehouse for six months, then its grade will not exceed 200 kg/cm2. It is unrealistic to make a high-quality solution, much less durable concrete, using such material. Therefore, before purchasing, ask the seller for a document that clearly indicates the date of manufacture.
Proven recipes for self-mixing concrete: print and use
When it is not possible to order a mixer with concrete, or you need to concrete structures of small volumes, self-mixing concrete comes to the rescue. The only question is how to cook it? At first glance, it seems that nothing is simpler. We take the “folk” proportion 1:3:5. That is, for one part cement, three parts sand and five parts crushed stone, add water “to taste.” Let's also pour some detergent into the concrete mixer. After all, everyone does it. And... voila, self-mixed concrete is ready. Do not hurry! Most often this leads to problems. The foundation filled with such self-mixing crumbles next year. The blind area cracks and the lintels burst. To prevent this from happening, read our article, which contains time-tested recipes for self-mixing concrete.
- Proportions of durable self-mixed concrete
- In what order should you pour the self-mixing ingredients into the concrete mixer?
- How much concrete can a concrete mixer mix at a time?
- Why concrete should be vibrated and not bayoneted
- Is it possible to add household detergents to concrete?
How to determine, find out, self-determination and in laboratory conditions
The grade of cement is determined in laboratory conditions . Using special equipment, the strength of the sample is determined , to obtain which it is necessary to add 3 purified quartz sand to 1 part of cement
.
The components are thoroughly mixed. Water is added during mixing. The mixture is poured into 6-10 molds with dimensions of 10 by 10 by 10 cm. The samples must be left for 28 days, during which the samples will gain up to 98% of the brand strength. One of the samples is placed under a press and subjected to pressure. The rate at which the sample is destroyed is measured. Measurements are carried out on 6 samples chosen randomly. Of the 6, the 4 with the most significant pressure required for destruction are selected and the average value is calculated. Based on the test results, the brand and strength class are determined.
Cement M500. Roscement Photos
In addition, the brand can be determined at home . For various reasons, the labeling on the packaging may be unreadable . Then recognition can be carried out experimentally . The performer will not receive an exact result, but approximate information will be acquired. To do this, you need to take a hammer and hit the surface of the concrete, or with a hammer, hit a chisel attached perpendicular to the surface of the monolith. If after an impact the concrete breaks into small fragments or large pieces break off from the monolith or the chisel penetrates the concrete to a depth of 5 mm, then this is a fragile M100 grade. If sharp fragments are separated from the monolith, then M100-200. A shallow trace is formed on the surface - M300-400. The strongest possible blow with a hammer on the edge of the structure leads to small fragments breaking off or a mark 1-2 mm deep is formed on the surface. - M400-600.
