I Found Undiscovered Geoglyphs in Peru on Google Earth and Went To Them!

Video

(Peru) Esto es lo que DESCUBRIERON al despejar la vegetación

Video

I Found Mysterious Ancient Structures Hidden in a Canyon

Video

In Cochasquí is the MYSTERIOUS SECRET of #Ecuador more valuable than INGAPIRCA 

 

We get to know the mysterious pyramids of Cochasqui, what remains of a warrior people of Ecuador Thank you for choosing to watch this video and accompany us to discover the world!

 

 

Video

Misterios de la Mitad del Mundo - Pucará de Rumicucho (Ecuador)

\

Video

I visited 50 million year-old Ruins (Ancient Technology? Civilization before Humans?)

Video

Several Roman ancient sites are still standing after 2,000 years and these are the oldest examples of structures made of concrete. Modern concrete and only last 100 to 200 years, while some could last 500 years. 

So how did this structure last for 50,000 million years?

 

...Usable examples of Roman concrete exposed to harsh marine environments have been found to be 2000 years old with little or no wear.

 

 

 

What is the lifespan of concrete?

 

 

What is the maximum life of modern concrete? Generally, for large infrastructures, the lifespan of modern concrete is about 100 years if properly maintained.

 

 

 

 

Can concrete last 500 years?

 

 

Therefore, it is concluded that concrete with low permeabilities are most likely to achieve service lives of around 500 years. The permeability of concrete is dependent on the porosity and pore structure of the cement matrix, especially the extent of pore interconnectedness.

 

 

 

Can concrete last 10,000 years?

 

 

 

Yes. It is a synthetic form of a rock type called a conglomerate. Assuming the rock or concrete is not subjected to major sheer forces, or burial under kilometres of other material, it last a considerable period. 10,000 years is likely an underestimate.