Sacyr's Blog

Christ the Redeemer is 30 metres high and stands 710 metres above sea level. Each of its arms has a surface area of 88 square metres and its feet measure 1.35 metres. This majestic structure has become one of the most popular tourist attractions in Brazil.

Is the most widely used building material on Earth—concrete—a good choice for building in space? Some researchers think so. We analyse the materials and challenges involved in achieving this science fiction goal.

The manufacturing of cement emits 8% of the world's CO₂ emissions. As achieving carbon neutrality is becoming increasingly urgent, what technologies can reduce the ecological footprint of this material and, therefore, of concrete?