24.01.2025
Architecture, Trade

Robotics in the construction industry: Will robots be the construction workers of the future?

Building design

40% faster construction work thanks to robotics: on Australian construction sites, autonomous machines and drones reduce working times by 40% and improve safety at the same time - a pioneering example of the future of construction robotics. Jacoby Clarke | Pixabay

The construction industry has a high demand for increased efficiency, safety and sustainability – and this is where robots come into play. By using robotics, construction processes can be automated and standardized, reducing the workload for construction workers and ensuring consistently high quality. In an industry that often struggles with skills shortages, rising costs and safety risks, robotics offers solutions to overcome these challenges while reducing construction time. Robots could be established as “colleagues” to construction workers in the long term, improving their safety and quality of work. […]

The construction industry has a high demand for increased efficiency, safety and sustainability – and this is where robots come into play. By using robotics, construction processes can be automated and standardized, reducing the workload for construction workers and ensuring consistently high quality. In an industry that often struggles with skills shortages, rising costs and safety risks, robotics offers solutions to overcome these challenges while reducing construction time. Robots could be established as “colleagues” to construction workers in the long term, improving their safety and quality of work.

Fun Fact: The demand for construction robots is growing by 15 % annually and the market value is expected to rise to around 10 billion US dollars by 2030.

Robotics is used in many areas of the construction industry and leads to a significant improvement in construction processes.

Masonry and concrete construction robots

Masonry robots such as the “SAM100” (Semi-Automated Mason) lay bricks precisely and efficiently and can erect large wall surfaces in the shortest possible time. Concrete construction robots take over the application and smoothing of concrete surfaces, which shortens construction time and increases quality.

3D printing and additive manufacturing

Robots with 3D printers are used to print buildings or building parts directly on site. This technology is particularly suitable for fast and cost-effective construction projects, as complex shapes can be produced easily and without wasting materials.

Demolition and recycling robots

Robots such as the “Ero Concrete Recycling Robot” can demolish concrete walls and structures and process the material for recycling. This makes demolition safer and supports the circular economy in the construction industry.

Inspection and monitoring robots

Inspection robots carry out safety checks and monitor hard-to-reach areas on construction sites. These robots can detect potential hazards at an early stage and increase safety on the construction site.

Practical example: In a construction project in Japan, a 3D printing robot was used to print a multi-storey building. The technology enabled a 30% reduction in construction time and significantly reduced material costs.

There are various technologies and types of robots that have been developed specifically for the construction industry and are driving its automation forward.

Autonomous robots and machines

Autonomous construction machines such as excavators and loaders use artificial intelligence (AI) and machine learning to perform tasks autonomously. These machines can work without human intervention and improve environmental safety.

Exoskeletons for construction workers

Exoskeletons are wearable robots that help construction workers with heavy physical work. They reduce physical strain and increase workers’ stamina, making their daily work easier and preventing injuries.

Artificial intelligence and machine learning

AI and machine learning are increasingly being integrated into the control of robots to improve their performance and accuracy. They enable machines to learn from previous tasks and adapt to new challenges, increasing their flexibility on the construction site.

Drones as supporting inspection robots

Drones perform inspection tasks and monitor construction progress from the air. They provide detailed aerial images and 3D mapping of the construction site, which can be analyzed in real time.

Real-life example: In a construction project in Australia, autonomous excavators and drones were used to carry out earthworks and monitor progress. The automation of the earthworks reduced working time by 40% and increased the safety of the construction site.

The use of robotics on construction sites offers considerable advantages that increase efficiency and optimize the entire construction process.

Increased efficiency and time savings

By automating construction processes, robots can carry out work faster and more precisely than humans. Construction progress is accelerated and projects can be completed in less time.

Improved occupational safety

Robots take on dangerous tasks such as working at great heights or with heavy materials. This minimizes the risk of accidents for construction workers and significantly increases safety on construction sites.

Cost reduction

By increasing efficiency and reducing accidents at work, robots lower operating costs. Automation also leads to consistent quality, which reduces expensive rework and minimizes material waste.

Precision and quality assurance

Robots carry out their tasks with high precision, ensuring consistent quality. Compliance with standards and the minimization of errors ensure high-quality construction work.

Expert opinion: According to a study by MIT, construction companies could reduce their project costs by up to 20 % by using robotics, as construction errors and rework are reduced.

Despite the benefits, there are also challenges and limitations that need to be considered when introducing robotics in the construction industry.

High acquisition costs

Robots are expensive to purchase and maintain. Many construction companies have to weigh up the investment costs against the long-term savings before investing in robotic technology.

Technical complexity and training requirements

Robots in construction require technical expertise to operate and maintain. Training employees and implementing new technology is time consuming and can be challenging.

Acceptance by construction workers

The introduction of robots can be met with skepticism and uncertainty among construction workers. Some workers fear for their jobs, while others struggle to get used to working with robots.

Legal and safety concerns

The use of robots on construction sites is not always straightforward from a legal and safety perspective. Clear regulations and safety standards need to be developed to ensure the safety of workers and the construction site.

Expert opinion: A survey by the European Construction Robotics Association (ECRA) shows that around 60% of the construction companies surveyed see the high acquisition costs and training costs as the biggest hurdles to the introduction of robotics.

Robotics in the construction industry is developing rapidly and the future offers promising opportunities for the use of autonomous and intelligent machines.

  1. Integration of AI and machine learning: AI models are becoming increasingly powerful and enable even more precise control and adaptation of robots to construction site conditions.
  2. Fully autonomous construction sites: In the future, construction sites could be operated completely autonomously, with robots taking over all construction processes and merely assisting the site manager.
  3. Advanced robotics for specialized tasks: The development of robots for specific tasks such as plastering, painting or electrical installations could further advance automation.
  4. Combination with digital twins: By using digital twins, construction managers and robots could access virtual models in real time and adapt the construction processes.

Future outlook: In Singapore, a company is working on a pilot project in which a construction site is operated entirely by robots. Drones monitor progress and autonomous excavators and machines carry out the construction work. The aim is to create a model construction site that shows how the construction sites of the future could work.

Robotics has the potential to fundamentally change the construction industry and increase efficiency, safety and quality on construction sites. Robots can take over dangerous and repetitive tasks, improving working conditions for construction workers and speeding up the construction process. Despite the challenges, particularly the high initial costs and acceptance by workers, robots offer a valuable solution to the challenges facing the construction industry. Companies that invest early in robotics will secure a competitive advantage and actively shape the future of the construction industry.

Final thought: The construction site of the future could be a place where humans and robots work side by side. By combining human creativity and robotic precision, the construction industry could become more efficient, safer and more sustainable – a true revolution in construction.

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18.12.2024

Zaha Hadid builds Tokyo’s Olympic Stadium – but not after all

Building design

Back to square one in Tokyo: Zaha Hadid Architects will not be building the central stadium for the 2020 Olympic Games after all.

It’s back to square one in Tokyo: Zaha Hadid Architects will not be building the central stadium for the 2020 Olympic Games after all. Japan’s Prime Minister Shinzo Abe has now declared that the entire process will be reset to zero for cost reasons. “We are starting all over again,” the Guardian quotes the Japanese politician as saying. So there will probably be a new competition.
Ultimately, however, the ever-increasing construction costs are likely to be just one reason for the decision. Architecturally, the extravagant building (Hadid, that is) also came in for a lot of criticism – not least from other architects. Arata Isozaki had described Hadid’s design as a turtle just waiting for Japan to sink into the sea so it could swim away. Pritzker Prize winner Fumihiko Maki had organized a symposium against the design, which was attended by Toyo Ito, Kengo Kuma and Sou Fujimoto, among others. A petition against the building was also initiated.
Patrik Schumacher, the first architect in Zaha Hadid’s office, apparently holds this architect-dominated counter-movement partly responsible for the decision. He wrote on Facebook: “Maki and Ito will be remembered for this.”

30.10.2024

The center of Berlin remains green

Building design
The perspective shows the planned steps on the banks of the Spree.

1st prize to Büro RMP Lenzen: Steps on the banks of the Spree with a view of the cathedral (Visualization: RMP Lenzen)

RMP Stephan Lenzen win the open space competition for the City Hall and Marx-Engels-Forum in Berlin: The office won against 52 other entries.

It’s all about a prominent area in Berlin’s historic center: sandwiched between the new Humboldt Forum and the television tower, the Rathaus- and Marx-Engels-Forum are getting a new design. The RMP Stephan Lenzen office has won the competition for the green center of Berlin.

Where the roots of the city of Berlin lie, there will soon be no new construction. The open spaces of the Rathaus-Forum and Marx-Engels-Forum will remain green. However, the area will be given a new design, which will result in a flight of steps leading down to the adjacent Spree. The Berlin Senate Administration invited people to take part in a competition in the spring. After an initial phase, citizens were allowed to have their say. A total of 21 landscape architecture firms then developed their ideas further in the second phase of the competition. The landscape architects from RMP Stephan Lenzen ultimately won over the jury. They proposed a central ribbon that connects listed areas of the Rathausforum with the Marx-Engels-Forum. This green ribbon ends in a large staircase on the banks of the Spree. Opposite, on the other side of the water, the eastern façade of the new Humboldt Forum shines.

The open space in the middle of old Berlin used to be called “Park an der Spree”. As one of the most central green spaces in the Mitte district, it dates back to the Second World War. It damaged the Heilig-Geist-Viertel, which ultimately prompted the GDR leadership to demolish it. Since then, the area between Karl-Liebknecht-Straße in the north, the park by the television tower in the east, Rathausstraße in the south and the Spree in the west has remained undeveloped. For a long time, there was an ensemble of monuments in the middle of the area, but this had to be moved to the north-western edge when the subway was built. The future of the Marx-Engels Forum has been under discussion since the 1990s. The ideas were many and varied. They ranged from the reconstruction of the Heilig-Geist-Viertel to the design of a park at the Marx-Engels-Forum. The latter ultimately prevailed.

Marx-Engels-Forum competition brief

The design of a park on the Marx-Engels-Forum now had to be fleshed out as part of the ideas and realization competition. The participants were asked to engage with the place where Berlin was founded, the historical layers hidden in the ground and the surrounding area. At the end of the long debate about the future of this site, citizens’ guidelines for the future development of the Rathaus Forum and the Marx-Engels Forumwere drawn up . These guidelines state that an open space should be designed that does justice to the dimensions and significance of the location and strengthens the identity of the site. In addition, it should bring the eventful history to life and at the same time enable diverse and intensive uses.

In the first phase, the competition initially asked for a vision and an idea for the entire Marx-Engels-Forum. Only the participants in the second phase had to derive their vision. In addition, they outlined an intermediate state for the year 2030 in the ideas part of the competition. In a third realization part, the concrete implementation for 2024 was then to be shown. This step-by-step approach is based on the intended gradual realization of the project. This will take a long time. Accordingly, the ideas must be based on a clear approach and offer a great deal of flexibility for process-based implementation.

The landscape architects from RMP Lenzen provided the most convincing solution for the new design of the Rathaus- and Marx-Engels-Forum. They designed an open space that is characterized by a striking figure. The plan is to keep the Rathaus- and Marx-Engels-Forum free of buildings. The green space promises a high quality of stay with areas for strolling, relaxing and enjoying spectacular views of the cathedral, Humboldt Forum and television tower. RMP Lenzen is equipping the new space with plenty of greenery and lots of shady trees. But water is also included, which contributes to cooling as well as infiltration areas that fit in with future rainwater management. Overall, the contribution to the Marx-Engels-Forum competition envisages a modern, climate-resilient urban space that enables a variety of uses.

Good things take time

The idea of initially creating a green space in the heart of old Berlin preserves opportunities for future generations. For the near future, the jury recommended that the first prize-winning work by RMP Lenzen be realized. This brings a controversial debate to an end. Hardly any other place in Berlin has experienced more planning and discussions than the Marx-Engels-Forum. But for the building senator, it is clear that the city of Berlin has done the right thing. After the fall of the Wall, it did not rush into planning. Now, against the backdrop of current plans for Alexanderplatz and Molkenmarkt and against the backdrop of climate adaptation and the mobility turnaround, things can be designed in peace.

Would you like to find out more about projects in the capital? We have summarized the next planning steps on the former Berlin Tegel airport site for you.