The Red Pyramid of Dahshur
Snofrus Red Pyramid in Dahshur (2).jpg
Sneferu
Coordinates: 29°48′30″N 31°12′21″E
Type True Pyramid
Height 105 metres (344 ft)
Base 220 metres (722 ft)
Slope 43°22'
This article is about the pyramid. For the novel by Rick Riordan, see The Red Pyramid (novel). For the Silent Hill monster, see Pyramid Head.
The Red Pyramid, also called the North Pyramid, is the largest of the three major pyramids located at the Dahshur necropolis. Named for the rusty reddish hue of its red limestone stones, it is also the third largest Egyptian pyramid, after those of Khufu and Khafra at Giza. It is also believed to be the Egypt's first successful attempt at constructing a "true" smooth-sided pyramid. Local residents refer
to the Red Pyramid as el-heram el-watwaat, meaning the Bat Pyramid
History
The Red Pyramid was not always red. It used to be cased with white Tura limestone, but only a few of these stones now remain at the pyramid's base, at the corner. During the Middle Ages much of the white Tura limestone was taken for buildings in Cairo, revealing the red limestone beneath
The Red Pyramid was the third pyramid built by Old Kingdom Pharaoh Sneferu, and is located approximately one kilometer to the north of the Bent Pyramid. It is built at the same shallow 43 degree angle as the upper section of the Bent Pyramid, which gives it a noticeably squat appearance compared to other Egyptian pyramids of comparable scale. Construction is believed to have begun during the thirtieth year of Sneferu's reign. Egyptologists disagree on the length of time it took to construct. Based on quarry marks found at various phases of construction, Rainer Stadelmann estimates the time of completion to be approximately 17 years while John Romer, based on this same graffiti, suggests it took only ten years and seven months to build
Archaeologists speculate its design may be an outcome of engineering crises experienced during the construction of Sneferu's two earlier pyramids. The first of these, the Pyramid at Meidum, collapsed in antiquity, while the second the Bent Pyramid had the angle of its inclination dramatically altered from 54 to 43 degrees part-way through construction
Some archaeologists now believe that the Meidum pyramid was the first attempt at building a smooth-sided pyramid, and that it may have collapsed when construction of the Bent Pyramid was already well underway — and that the pyramid may by then have already begun to show alarming signs of instability itself, as evidenced by the presence of large timber beams supporting its inner chambers. The outcome of this was the change in inclination of the Bent Pyramid, and the commencement of the later Red Pyramid at an inclination known to be less susceptible to instability and therefore less susceptible to catastrophic collapse.
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