It is a common phenomenon for the traditional concrete to crack, requiring maintenance and reparations before reinforcement starts to corrode. Luckily, it seems that Delft University microbiology professor Henk Jonkers has found the solution to this problem. Inspired by nature, he developed ‘Bio-concrete’, a new type of material that brings together biology and civil engineering and could save billions in construction costs by improving the lifespan of buildings, bridges and roads. "It is combining nature with construction materials. Nature is supplying us a lot of functionality for free - in this case, limestone-producing bacteria’’, says the professor.
The company claims that about half the time or less is needed to erect a residential structure compared to the time it takes to build using the traditional methods
Broad Sustainable Building, a construction company in China, recently built a 57-floor, 2-million-square-foot skyscraper in just 19 days. That is an average of three floors per day. The building has 19 10-meter-tall atriums, enough office space for 4000 people and 800 apartments. The structure is made up of prefabricated sections that reduced the use of concrete by 15,000 trucks, which translates into less dust released into the air.
The cement Topmix is designed to have a super-absorbent masking surface that allows water to seep through it instead of sitting, in an effort to combat flood.
A new method to produce concrete that traps harmful CO2 emissions and increases the compression strength is implemented by Carbocure, a Canadian Start-up company.
Researchers have developed micron-sized calcium silicate spheres that could increase concrete's strength and reduce its environmental footprint.
A new 3D cementitious panel is introduced as a material that could protect houses from natural disasters.
Shanghai hosts the longest 3D-printed bridge made of concrete in the world.
The four most efficient methods to repair active cracks in concrete are presented below.
A suspension bridge that crosses the river Nile over central Cairo in Egypt was declared as the world's widest.
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