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originally posted by: bloodymarvelous
I've been reading lately about the pyramid of Meidum. It's the one prior to the bent pyramid. The one that supposedly "collapsed" because it was built at too steep an angle.
Odd thing is, it didn't. Not really. Basically, underneath the true pyramid outer shell was a step pyramid. The outer shell totally collapsed, and I guess the top couple of stages fell off with that.
However, the inner step pyramid core survived the collapse. The base, and even the internal passages of the pyramid are still there and in fine shape. That suggests to me that the step pyramid underneath the outer pyramid was built by someone before, who knew what they were doing, and was never meant to be any bigger than it was. It was never meant to become a pyramid.
Apparently the people who constructed the outer pyramid shell, to fill the step pyramid out into a true pyramid, - they somehow didn't realize the foundation was only wide enough to support the core step pyramid structure. The outer shell was basically built on top of loose sand, and that is why it all slid off and collapsed.
So, now, moving over to the Giza pyramid. We've got these mysterious shafts coming out of the King's Chamber and Queen's chamber. Except in the Queen's chamber they were covered by the interior limestone, and they are blocked on the other end so they don't reach the outside.
That would be a lot less of a mystery if we assume the original structure had left those vents open, and it was Khufu's workers who came along afterward and blocked them.
The interior of the Queen's chamber is finished in Tura limestone, from the Tura Quarry 8 miles away, which is the same limestone from which the casing stones were made. So whoever did the casing stones probably also did the interior walls of the queen's chamber.
So this makes me wonder, was the Great Pyramid perhaps built over the top of another, somewhat different, structure? Was the original structure even a pyramid at all?
originally posted by: CaptainBeno
Why go to those lengths then? Seems a bit extreme? Why not just remove what was there prior and use the stone for something else rather than go to the extremes of planning, engineering and doing what is there today?
Nice idea, but not really feasible.
I mean, don't get me wrong. I get it. It's just that it's rather "over the top". Most people as history proves, just smashed things down or removed what was there and re-used the building material for something else?
originally posted by: anti72
You are drawing false conclusions. Ancient egyptian pyramid construction has a documented history, they began as mastabas, then with mudbrick outer construction, then outer fine limestone and inner filling block construction.
When they built the first pyramids they tried a technique with inward leaning mudbricks for the outer sides which resulted in instabilty and collapse.
After that they used more limestone-based horizontal step/ course construction. After the forth dynasty they went back to smaller pyramids again.
Then the shafts of the GP's queens chamber, as far as we know there were used during and for the construction an then sealed. Gantenbrink's work shows that the upper ends of these shafts and famous blocking stones are the same kind of limestone as the original white outer casing Tura limestone.
originally posted by: LookingAtMars
a reply to: bloodymarvelous
Good question, what do you think they may have been used for before they were pyramids? Grain storage, temples, graves or what?
Recent archaeological research has led to the assumption that Snofru built this pyramid before his 15th year, and then abandoned the site to start a new royal cemetery at Dashur, some 40 kilometres to the North. What is certain is that Snofru at one point during his reign -and some suggest a high date such as the 28th or 29th year of his reign- ordered the transformation of the original Step Pyramid into a true pyramid. It is unlikely that Snofru usurped this pyramid, since he already had built two other pyramids at Dashur. The reason why this king would have wanted 3 pyramids, making him the most productive pyramid builder in the history of Egypt, are not known. It is also not known whether the conversion of the original Step Pyramid into a true Pyramid was completed.
Unfortunately, the building technique that was used -a technique going back to the Step Pyramids which consisted of using inward leaning courses- did not help to stabilise this monument. Fearing that the pyramid would collapse under its own weight, its slope was lowered to 43°22' somewhere halfway up the building. It is possible that the upper part of the Bent Pyramid was continued only after finishing the Red Pyramid, which was built a couple of kilometres to the North of the Bent Pyramid. In any case, the Red Pyramid has exactly the same slope of 43°22' as the upper part of the Bent Pyramid. In its finished state, this pyramid has a base length of 188 metres and is 105 metres high.