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Made a calculation of the volume of materials and a 3D view of a monolithic floor MARCO

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IN this article I showed in detail how I mounted a frequently ribbed floor using the MARCO technology. He abandoned the wooden floor and used the technology for the attic floor. But this is not exactly the same technology of MARCO with their factory beams. I relied on the calculations of the design bureau for MARCO-economy (the support of the blocks on the formwork from the board). For the dimensions of the spans, calculations are given in the manual with tables (STO GGR 5.1-2020).

Made a calculation of the volume of materials and a 3D view of a monolithic floor MARCO
Made a calculation of the volume of materials and a 3D view of a monolithic floor MARCO

Link to calculations and reinforcement schemes here. The calculations were made by the Design Bureau of the Chairman of the Association of Aerated Concrete Producers - G. Grinfeld. Not only aerated concrete can be used as filler in the floor. But also foam concrete, hollow concrete blocks, but with a compressive strength of at least B2.0.

In order to mount this floor, you need to calculate the exact amount of material. In this case - timber for formwork (beams and supports), the volume of aerated concrete and reinforcement. For this I used the SketchUp program. Just proceeded to paint a house in it with this often-ribbed overlap.

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Made a calculation of the volume of materials and a 3D view of a monolithic floor MARCO
Made a calculation of the volume of materials and a 3D view of a monolithic floor MARCO
Made a calculation of the volume of materials and a 3D view of a monolithic floor MARCO

In the program, it is not difficult to calculate the required number of aerated concrete blocks, to calculate the volume of concrete per beams. In my case, it took 10.5 m3 of aerated concrete. By the number of beams, I saw how many reinforcement rods are needed (22 beams - 44 rods of 6 m each). Cuts from a length of 6 m were used to anchor the beams.

It is just as easy to calculate the volume of concrete. I got 8.2 m3. But I ordered exactly 9 m3 (with a margin). When pouring it was enough for an interference fit. I did not take into account the grooves in the blocks. So consider whatever geometry the concrete will fill.

The volume of lumber was calculated based on the number of beams and supports for them on a grid of 0.7x1 m. I used boards of 200x50 mm for beams and 150x50 mm for supports.

Under the slab, I also drew everything in my project, signing where which slab will be located. Then he printed it out and handed it over to the crane operator during the installation of the plates.

Made a calculation of the volume of materials and a 3D view of a monolithic floor MARCO

Everything came together exactly to the fraction of a centimeter.

Repeatedly convinced that SketchUp is one of the most convenient programs for visualizing your construction and calculating materials. It can be not only a house, but also a gazebo, garage, sauna. The program is free (basic version).

It is convenient to see the proportions of the structure, twist it, look from different sides and viewing angles. Also in SketchUp I drew a rafter system of a hip roof with a visualization of the coverage. It helped to understand whether you are putting too high or low roof into the project. I chose the optimal height for my house. More about this in the next article.

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