23.01.2025

AI and architecture: the role of artificial intelligence in the design of smart cities

Building design

AI-supported traffic systems in cities can optimize traffic flow and reduce congestion by up to 15%. In Copenhagen, for example, sensors and AI are used to control traffic in real time in order to alleviate peak times. Mike Petrucci | Unsplash

Architecture is facing a digital revolution. The use of artificial intelligence (AI) has already changed the construction industry and is now finding its way into urban planning and architecture. From planning and design to building and city management, AI offers solutions that are faster, more precise and more efficient. AI-supported systems analyze huge amounts of data and propose solutions that inspire and support architects and urban planners. In the context of the smart city, AI makes a significant contribution to the development of sustainable, liveable and future-oriented urban spaces. […]

Fun fact: In recent years, investment in AI-supported architectural tools has increased by around 40% worldwide, particularly in the areas of energy optimization and predictive maintenance of buildings.

Machine Learning (ML)

Machine learning, a sub-form of AI, enables systems to recognize patterns in large data sets and make predictions based on these patterns. For architects, this means that building data, weather forecasts, material consumption and energy requirements can be analyzed in order to develop a more efficient design.

Generative design

Generative design is an AI technology that can generate thousands of designs from a given set of parameters and design requirements. Architects provide certain specifications – such as location, material and desired functions – and the AI creates design options that can be tested through simulations.

Neural networks and deep learning

Neural networks, especially deep learning models, enable AI systems to understand complex relationships and propose innovative solutions. For example, they can carry out simulations for air currents and sunlight that improve the comfort and energy efficiency of a building.

Natural Language Processing (NLP)

NLP models such as language assistants and text processing systems help architects and urban planners to easily analyze and process complex data and reports. With the help of NLP, data can be searched more quickly and historical data can also be incorporated into the decision-making process.

Practical example: In a construction project in San Francisco, an architecture firm is using generative design to create an office building that minimizes energy consumption and reduces its carbon footprint. By simulating thousands of design options, a shape was found that resulted in 30% less energy consumption.

AI offers a wide range of possible applications for urban planning, from traffic control to the optimization of buildings and the use of resources. Some of the most exciting applications are

Traffic and mobility management

AI can be used to analyze data on traffic density, weather conditions and the use of public transport in real time. This results in intelligent traffic systems that minimize traffic congestion by efficiently distributing modes of transport.

Energy optimization of buildings

Energy efficiency is a central component of smart cities. AI systems make it possible to optimize the energy consumption of buildings. By analyzing data on temperature, occupancy density and sunlight, lighting, heating and cooling can be adjusted in real time, which can reduce energy consumption by up to 40 %.

Urban development and resource management

The development of cities requires the optimal use of available space and resources. AI can help analyze the urban space available and provide suggestions for optimal land use to balance development and green spaces.

Air quality and environmental monitoring

AI-powered air quality monitoring models can measure and predict emission levels and air pollution in different parts of the city. This data is important for targeting measures to reduce pollutants and thus improve the quality of life of residents.

Practical example: In Copenhagen, AI models are used to control the flow of traffic. Sensors analyse the traffic situation in real time and the AI optimizes the traffic lights and distribution of modes of transport. The result is a reduction in the volume of traffic at peak times of around 15 %.

The advantages of AI in architecture and urban planning are manifold, but its implementation also poses a number of challenges.

Advantages

Greater efficiency and precision: AI can process huge amounts of data and thus make more accurate predictions, which optimizes planning.
Cost reduction: Early detection of errors and optimization opportunities can reduce construction costs.
Faster decisions: AI enables faster, data-based decisions and relieves architects of repetitive tasks.
Sustainability: AI models can analyze energy consumption and emissions and help to make buildings and cities more environmentally friendly.

Challenges

Complexity and implementation costs: The introduction of AI-supported systems requires high investments in technology and training.
Data protection and ethics: The use of personal data for AI analyses raises questions about data protection and ethical responsibility.
Dependence on data quality: The quality of AI results depends directly on the data used. Poor data quality can lead to erroneous results.
Acceptance and adaptation: Skepticism towards AI in the construction industry remains high, and acceptance of new technologies requires a cultural change.

Expert opinion: According to a survey by the American Institute of Architects, 75% of architects see great potential in AI, but expect it to take up to five years before AI is used across the board in architecture.

AI can make a significant contribution to sustainability in architecture by optimizing energy consumption and using resources more efficiently.

Energy-efficient buildings

With AI, buildings can be designed to minimize their energy consumption. AI-supported simulations analyze solar radiation, indoor climate and ventilation so that buildings can be operated with minimal energy consumption.

Conserving resources

By analysing material and energy data, AI helps to ensure that building materials are used efficiently and construction waste is minimized. AI-based optimization models can help to reduce the use of materials as early as the planning phase.

Longer service life of buildings

AI can identify maintenance requirements in buildings at an early stage and thus contribute to a longer life cycle. Predictive models can be used to estimate maintenance requirements and better allocate resources.

Sustainable construction project: An architectural project in the Netherlands uses AI-supported systems to analyze solar radiation and adjust energy consumption. By optimizing the heating and cooling systems, annual energy consumption was reduced by over 20 %.

AI in architecture is still in its infancy. However, developments over the next few years promise exciting innovations that could revolutionize construction and urban planning.

Autonomous planning: In the future, AI could have the ability to design and plan buildings autonomously, without human intervention.
Collaborative AI systems: As AI evolves, systems will emerge that work collaboratively and support each other. Architects could “work together” with AI to plan more creatively and efficiently.
Smart City Integration: AI will increasingly connect and coordinate infrastructure and buildings in a city to optimize traffic flow, energy distribution and environmental impact.

Future outlook: Singapore is working on a concept for autonomous buildings that are controlled and optimized by AI. The aim is to develop a fully integrated smart city that uses resources efficiently and minimizes environmental impact.

Artificial intelligence is one of the most promising technologies for the construction and architecture industry. It offers solutions that can make planning processes more efficient, buildings more sustainable and cities more liveable. The challenges are considerable, but the benefits outweigh them. By using AI, architects can design cities that are prepared for the needs of the future.

Final thought: AI and architecture form an alliance that has the potential to lead the construction industry towards a sustainable, smart and liveable future.

By the way: Oostenburg in the heart of Amsterdam is a district in transformation. The De Gieter and De Slijper residential complex by Space Encounters was built here in 2023. Read here how the architects combine urban density and industrial history.

18.12.2024

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

Building design

News

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.