How Long to Read Prehistoric Hydraulic Mortar

How Long Does it Take to Read Prehistoric Hydraulic Mortar?

It takes the average reader and 20 minutes to read Prehistoric Hydraulic Mortar by Roman Malinowski

Assuming a reading speed of 250 words per minute. Learn more

Description

The findings of pieces of plaster (mortar) together with prehistoric Ubaid pottery and artifacts, dated 5000-4000 BC, in Dosariyah at the eastern seashore of the Arabian peninsula were an archaeological surprise. The unusual plaster with polished surface and imprints of reed boundles (or palm branches) indicates a high level of building technology. In physical tests were confirmed a high compressive strength (12 MPa) at a relatively low density (1.6 g/cm3). Chemical analyses and X-Ray diffraction show calcite as predominant binder (70%) and considerable amounts (30%) of mainly silica components. No gypsum was found as previously supposed. Micro- scopical examinations show a large amount of diatomitic fossils and single crystallites with signs of reaction with lime. Also quartz is present in the mortar. It is to point out following original solutions of the builders of Dosariyah - The use of lime with diatomaceous earth as aggregate is producing a hydraulic mortar. This technic was much earlier (4000-5000 years) than the use of roman pozzolan. - Creating a reinforced structure of reed boundles and mortar. - Polishing the surface of the mortar for protection of the structure.

How long is Prehistoric Hydraulic Mortar?

Prehistoric Hydraulic Mortar by Roman Malinowski is 20 pages long, and a total of 5,000 words.

This makes it 7% the length of the average book. It also has 6% more words than the average book.

How Long Does it Take to Read Prehistoric Hydraulic Mortar Aloud?

The average oral reading speed is 183 words per minute. This means it takes and 27 minutes to read Prehistoric Hydraulic Mortar aloud.

What Reading Level is Prehistoric Hydraulic Mortar?

Prehistoric Hydraulic Mortar is suitable for students ages 8 and up.

Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.

When deciding what to show young students always use your best judgement and consult a professional.

Where Can I Buy Prehistoric Hydraulic Mortar?

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