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For the manufacture of the necessary brand of concrete, you need to know the proportions of sand, cement and crushed stone. Concrete M200 is universal and is used...

If groundwater is located not far from the surface, then it is better to use M300; For the construction of a concrete pillow, concrete from M100 is used;

350 25 327 400 30 393 450 35 458 550 40 524 600 45 - 50 589 - 655 700 55 720 800 60 786 When choosing concrete,...

Mark (m) Class (c) Strength (kg/ cm2) 50 3.5 46 75 5 65 100 7.5 98 150 10 - 12.5 131 - 164 200 15 196 250 20...

At the same time, we note that its class is indicated by the letter "B", and the brand is "m". Consider the table in which the brand and...

Concrete for the foundation Recommendations of specialists The quality of this building material is determined by two parameters: the class and brand of concrete for the strip foundation,...

To date, the strip base of the house is the most popular, and therefore many do not know which concrete is better to choose for its construction. In...

Installation of formwork is a responsible business on which the quality of the foundation of the house depends. If even minor errors are made at the initial stage...

Conclusion The article considers the technology for installing formwork at various types of foundation. What way to choose does the owner of the site decide during the construction...

If the irregularities are essential, then it should be re -installed by the form for pouring concrete, and in the event that the defects are insignificant, then it...