1. Planning and Preparation:
- Pharaoh's decision: The construction of a pyramid was initiated by the pharaoh as part of their mortuary complex and preparation for the afterlife.
- Site selection: Suitable locations with stable bedrock were selected to support the pyramid's massive weight.
- Blueprint and design: Architects and surveyors developed detailed plans for the pyramid's dimensions, layout, and internal structures.
2. Quarrying and Stone Transportation:
- Limestone blocks: Most pyramids were built using limestone blocks, which were quarried from nearby sources.
- Granite or sandstone blocks: In certain pyramids, such as the Red Pyramid, granite or sandstone blocks were also used.
- Transportation: These heavy blocks were transported on sledges pulled by teams of workers or laborers, using ropes and possibly water channels.
3. Constructing the Pyramid Core:
- Interior chambers: Underground chambers were carved out to serve as the burial apartments of the pharaoh and their treasure.
- Pyramidal structure: The pyramid was constructed by laying courses of limestone or granite blocks on top of each other, starting with the bottom base.
- Inclined ramps: Internal ramps or external ramps made of mud bricks and covered with limestone casing blocks were built to transport the blocks to higher levels.
- Precision cutting: The blocks were finely cut and fitted together without the use of mortar or cement, relying on their weight and interlocking techniques to maintain structural stability.
4. Ramp Systems:
- Internal ramps: For some pyramids, internal ramps were constructed within the pyramid structure itself, allowing for the transport of blocks to higher levels.
- External ramps: In other cases, external ramps were built around the pyramid's exterior. As the pyramid rose, the ramps were extended to reach higher elevations.
- Ramp modifications: The ramps were continuously adjusted and modified as the pyramid's height increased.
5. Finishing Touches:
- Outer casing stones: The outer layer of the pyramid was covered with high-quality limestone casing stones, precisely cut and polished to reflect sunlight.
- Pyramidion: The pyramid's apex was topped with a pyramidion, usually made of granite, which served as the finishing touch and protected the pyramid from erosion.
It's worth noting that the construction techniques might have varied slightly over time and across different pyramids, and some aspects remain speculative due to limited surviving documentation from that period.