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1.3. Masonry of artificial stones

1.3. Masonry of artificial stones

Different types of stones

Oops, I am just wondering what stone material we should take for the wall!

Let´s have a look together at what there is. The following pictures give you an overview. 

If you want to know more, please look at the two most important artificial stone types in the information box:

Lime stones

Ceramic bricks

Artificial stones

Here you see a few artificial stones, for example:

Ceramic brick

Lime stone

Concrete stone

  • Lightweight concrete stones (Link)

Lightweight concrete stone

  • Autoclaved aerated stones (Link)

Cellular concrete stone

Dimension of stones

Please note: the following designations and dimensions of the stones are based on German standards. In other European countries other designations and dimensions can be standardized. Please contact your teacher or instructor.

Dimension of stones

Overview: Stone dimensions

Mortar

Dry mortar

We also need to know which mortar is to use.

By the way, do you know what raw materials are used for producing mortars?

Please try to answer the question spontaneously.

Mortar classes acc. to EN 998-2

The following list gives you an overview of standardized mortar classes and their raw materials according to European standard EN 998-2 (by room proportions).

Mortar class M 2,5

  • 1,5 pt. lime past + 1 pt. cement + 8 pt. sand or
  • 2 pt. lime hydrate + 1 pt. cement + 8 pt. sand or
  • 2 pt. hydraulic lime (HL2) + 1 pt. cement + 8 pt. sand or
  • 1 pt. hydraulic lime (HL5) + 3 pt. sand or
  • 1 pt. plaster- and wallbinders (MC5) + 3 pt. sand

Mortar class M 5

  • 1 pt. lime hydrate + 1 pt. cement + 6 pt. sand or
  • 2 pt. hydraulic lime (HL5) + 1 pt. cement + 8 pt. sand or
  • 2 pt. plaster- and wallbinders (MC5)+ 1 pt. cement + 8 pt. sand

Mortar class M 10

  • 1 pt. cement + 4 pt. sand