Some said ancient egyptians used external ramps and cranes to get the blocks of 2.5 ton each to build pyramid.ramp was built on one side of the pyramid and as the pyramid grew, the ramp was raised so that throughout the construction, blocks could be moved right up to the top. If the ramp were too steep, the men hauling the blocks would not be able to drag them up. An 8-percent slope is about the maximum possible, and this is the problem with the single ramp theory. With such a gentle incline, the ramp would have to be approximately one mile long to reach the top of the pyramid. But there is neither room for such a long ramp on the Giza Plateau, nor evidence of such a massive construction. Also, a mile-long ramp would have had as great a volume as the pyramid itself, virtually doubling the man-hours needed to build the pyramid. Because the straight ramp theory just doesn't work, several pyramid experts have opted for a modified ramp theory.
Egyptian farmers used a wooden, cranelike device called a shadouf to raise water from the Nile for irrigation. This device can be seen in ancient tomb paintings, so we know it was available to the pyramid builders. The idea is that hundreds of these cranes at various levels on the pyramid were used to lift the blocks. One problem with this theory is that it would involve a tremendous amount of timber and Egypt simply didn't have forests to provide the wood. Importing so much lumber would have been impractical. Large timbers for shipbuilding were imported from Lebanon, but this was a very expensive enterprise. The crane theory can't explain how the blocks of the Great Pyramid were raised. So how was it done?
Jean-Pierre Houdin, a French architect who has devoted the last seven years of his life to making detailed computer models of the Great Pyramid. Using start-of-the-art 3-D software developed by Dassault Systemes.
The theory suggests that for the bottom third of the pyramid, the blocks were taken up a straight, external ramp.A second ramp was being built, inside the pyramid, on which the blocks for the top two-thirds of the pyramid would be hauled. The internal ramp begins at the bottom, is about 6 feet wide, and has a grade of approximately 7 percent. This ramp was put into use after the lower third of the pyramid was completed and the external ramp had served its purpose.
To turn block to other side of the internal ramp their used a notch at the end corner.This is his theory that the jean pierre has said.Now you can see the notch at the corner of the pyramid.so the researchers went thier and checked the notch.But the base looks so rough that a block cant move in it and it is a very small notch.However,the Internal ramp looks clears some mystery of pyramid.when the sunlight rays presents on the pyramid you can able to see a lines which is of 7% slope as the jean pierre said.This matches his one of the theory.
A russian architect lonely did work on pyramids without taking help of others and he is not a team member of research team of pyramids and solved one the mystery.
Still got more to solve..
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