Pyramid Power

by Vladimir Novokshchenov, Consultant; Concrete Clinic International, Wexford, PA,


Serial Information: Civil Engineering—ASCE, 1996, Vol. 66, Issue 11, Pg. 50-53


Document Type: Feature article

Abstract:

The pyramids of Giza in Egypt were built with limestone from nearby quarries, not concrete as some have theorized. The three main pyramids of Giza mark a highpoint of pyramid building in terms of funeral layout, design uniformity, construction accuracy, and material and workmanship quality. The gaps between the 5.5-ton limestone blocks are mortar consisting of a gypsum-based matrix and aggregate particles of limestone, gypsum and mud-brick. The author expressed surprise at the use of some materials, such as gypsum and mud-brick aggregate as a binder, when there was an abundance of limestone available. Copper was used to cut the limestone.

Subject Headings: Limestone | Gypsum | Construction materials | Building design | Aggregates | Particles | Mortars

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