The Egyptian - Mud Men and the First Monuments!

To the surprise of many people, the ancient Egyptians built far more in sun dried mud-brick, than they ever id in monumental stone.

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https://en.wikipedia.org/wiki/Pyramid_of_Djoser

echnical Glossary: Egyptian Mudbrick & Plaster

• Db.t: The Egyptian word for mudbrick. Often written with the brick determinative. Refers to the material itself, not just the shape.
• Hib: Egyptian term for a refined clay plaster, often mixed with powdered limestone. Smoother and brighter than plain mud plaster.
• Mastaba: Arabic for "bench." The modern term for the flat-topped, rectangular tombs of the Early Dynastic and Old Kingdom periods.
• Battered wall: A wall that slopes inward as it rises. Increases stability and sheds water.
• Nile alluvium: The clay-rich silt deposited by the annual Nile flood. The base material for mudbrick.
• Temper: Material (sand, straw, chaff) added to clay to reduce shrinkage and improve drying.
• Gypsum plaster: A plaster made from calcined gypsum (calcium sulphate). The dominant finishing plaster in Pharaonic Egypt due to low firing temperature and suitability in dry climates.
• Lime plaster: Plaster made from calcined limestone (calcium oxide). Requires higher firing temperatures (700-900°C). Rare before the Ptolemaic period.
• Stratigraphy: In plaster analysis, the sequence of layers. Egyptian plasters show deliberate layering: coarse mud base, fine clay levelling, gypsum finish.
• Silt (The Bulk): This is the "Goldilocks" particle size—smaller than sand but larger than clay. It provides the volume.
• Clay (The Binder): Pure Nile silt actually contains about 30% to 50% clay. This is the "glue." Without the clay content, the bricks would just crumble into dust once they dried.
• Organic Matter: The Nile "mud" was rich in decomposed plant matter, which acted as a natural plasticiser, making the mix easier to mould. It also helped (marginally) with tensile strength

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