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areia usada na obra supera o volume final de concreto

Por que a quantidade de brita e areia usada na obra supera o volume final de concreto

Why The Amount Of Gravel And Sand Used In The Construction Exceeds The Final Volume Of Concrete

Valdemar Medeiros 10/04/2025 at 00:17

Most commented

10

Engineers want to carve through Africa with a giant canal to bring water from the world’s second-largest river to a dying lake on the edge of the Sahara Desert that has already lost 90% of its water.

Bruno Teles 08/06/2026 at 17:23

9

Interesting facts

A giant brown band visible from space, approximately 8,850 kilometers long, connected Africa to America in the Atlantic Ocean, and satellites revealed that it is neither land nor pollution, but the largest accumulation of seaweed in the world, which broke records in 2025.

Bruno Teles 08/06/2026 at 00:09

4

Science and Technology

Brazil filled the Northeast with wind turbines but now faces the side effect of 705 giant blades reaching the end of their lifespan by 2032 just in Rio Grande do Norte, while the world projects 43 million tons of waste by 2050.

Bruno Teles 10/06/2026 at 20:50

4

India approved the country’s first submerged road-rail tunnel, 15.8 kilometers dug under the bed of the Brahmaputra River.

Douglas Avila 11/06/2026 at 18:33

3

Instead of burning or burying old tires, an American city is transforming about 2,000 of them into the street itself, paving its first sections with a quieter and more durable rubber asphalt.

Bruno Teles 09/06/2026 at 20:50

3

Interesting facts

In just one cast, fishermen are surprised to capture 14,096 mullets in Bombinhas and close a historic season with 58,000 fish; scene recorded in the Santa Catarina paradise marks the last day of the 2026 season.

Felipe Alves da Silva 08/06/2026 at 22:29

2

Interesting facts

10 giant tortoises are reintroduced and, in just 6 months, trigger changes that lead scientists to investigate a phenomenon absent for 180 years; the numbers recorded on the island impress researchers from around the world.

Alisson Ficher 10/06/2026 at 11:43

India approved the country’s first submerged road-rail tunnel, 15.8 kilometers dug under the bed of the Brahmaputra River.
14/06/2026 by Nilanjan Ghosh

India has already constructed underwater rail tunnel in 2021 for…
Train And Metro Fare Expected To Rise In 2026, Government Discusses Adjustment For Inflation As Passengers, Already Paying R$ 5.20 Today, Brace For Another Hit In São Paulo
14/06/2026 by GPU utilization

... [Trackback] [...] Find More Information here to that Topic:…
A 2.4-meter drone created in Denmark could change sea rescues by locating castaways with more than 80% success, landing on ships in seconds, and delivering life vests before cold and exhaustion reduce survival chances.
14/06/2026 by Κωνσταντινος Σακκας

Ότι καλύτερο ναιμπρρπρο να μπει σε πλοία μεταφοράς όλων των…
India approved the country’s first submerged road-rail tunnel, 15.8 kilometers dug under the bed of the Brahmaputra River.
14/06/2026 by Subhas ch.saha

Beautiful.It is an extreamly Ambitious project of very long duration.…
Mother and daughter build a 70 m² house with more than 8,000 discarded glass bottles and impress with their creativity; known as the Casa de Sal, the property is located on Itamaracá Island, in Pernambuco.
14/06/2026 by Funto

I'd like to see what the walls look like from…
India approved the country’s first submerged road-rail tunnel, 15.8 kilometers dug under the bed of the Brahmaputra River.
14/06/2026 by Ajay Kumar Biyani

We will overcome the challenged by nature.
Chinese electric truck with 652 horsepower enters Brazilian sugarcane fields pulling up to 120 tons: Sany tests 6×4 tractor with 588 kWh battery, quick swap, and targets factory in Campinas to compete in heavy transport in agriculture.
14/06/2026 by tomasi

no impossibility in mobility. what ever makes business sense will…

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