Transcript preview
Open
Kind: captions Language: en Venice was born in the lagoon because the Lagoon was useful to Venice so venetians shaped the Lagoon the way they wanted [Music] this environment posed a problem how could they build on such soft ground I'm not that heavyweight I weighed 65 kilos but I'm thinking like this kilos is around 140 pounds if the mud can't support this how could it bear the weight of a wooden house let alone one of venice's grand Stone buildings [Music] the solution forcing wooden poles into the soft mud these poles don't support the weight they transform the mud around them the idea is to do a little experiment when you plant many poles they compact the mud between them the water is pushed out and the compaction of the mud itself makes the the mud more capable of supporting weight [Music] it's under the city we are by using a large number of poles pack tightly together [Music] directly on top they placed wooden planks then impermeable Limestone and above the water line bricks [Music] okay you see I'm lightweight more than him you can also try okay you see Omari is not sinking because it's the effect of the pores that compacts the mud between them so it changes from more I would say fluid like to more solid like and the proof of this is when we put the plank over there and do the same thing on the mud without the pause underneath you see there's a difference this technology is The Secret of venice's construction and longevity and over the centuries they created the city we see today
Resume
Categories