Research shows cities take long road to recycling

Among municipalities recycling and reusing construction waste, including gravel, concrete, sand and asphalt, Ontario has its 'leaders' and its 'laggards,' explained Kate Graham, a Political Science professor at King's and ...

3-D-knitted shells save on construction materials and time

With just the press of a button, ETH researchers knit a textile that serves as the primary shaping element for curved concrete shells. Now they have used the new technology to create a five-tonne concrete structure for an ...

A novel approach to recycling construction waste

The construction industry is one of the most resource-intensive sectors of the German economy. The nation's buildings constitute a vast store of raw materials, harboring some 100 billion metric tons of materials that could ...

Memory steel—a new material for the strengthening of buildings

A new building material called memory steel, developed at Empa is about to be launched on the market. The material can be used to reinforce new and existing concrete structures. When the material is heated (one-time), prestressing ...

Why does concrete swell and crack?

Unfortunately, concrete does not last forever. The ravages of time also take their toll on concrete structures in Switzerland. Not only are reinforced structures like bridges affected, but also concrete buildings without ...

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