Brick penetration

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Brick penetration is a modern term for a special feature of ancient Roman wall technology, namely the regular insertion of compensation layers made of bricks into the cast masonry.

Masonry of the Trier Kaiserthermen with brick penetration .
Burgh Castle , Norfolk / England, late Roman fortification wall with regular brick layers.

use

Even in the architecture of the Greeks, wall anchors or so-called tensioning stones were used to connect the inner and outer wall shells and to achieve greater stability ( ἔμπλεκτον - emplekton ). This is probably why the method was used regularly in Roman wall technology . It is already described in Vitruvius , who is emphatically committed to it.

The brick penetration was particularly suitable for the technique of cast masonry ( opus caementitium ), which was widespread in Roman times, with exposed blocks. After a regular number of layers of normal facing bricks, a leveling layer of one or more layers of bricks was installed, which either reached into or through the wall core. The cement was usually applied in layers between the brick layers. The process has been used many times and can be seen in many large ancient buildings. Prominent examples in Germany are the Kaiserthermen and the Barbarathermen in Trier ( Augusta Treverorum ).

swell

literature

  • Heinz-Otto Lamprecht: Opus caementitium. Construction technology of the Romans. 5th edition, Beton-Verlag, Düsseldorf 2001, ISBN 3-7640-0350-2 , p. 250.

Individual evidence

  1. ^ Lamprecht p. 43.
  2. ^ Vitruvius: De Architectura libri decem 2.8.7 ( online at thelatinlibrary.com ).
  3. ^ Lamprecht p. 84.
  4. ^ Lamprecht p. 136.