Drone being operating on jobsite

Robotics in construction

How new technologies are reshaping the building industry

The construction industry is a cornerstone of development and economic growth, but it has traditionally been considered conservative and slow to embrace innovation. However, the industry is now on the verge of a revolutionary change driven by robotics. This shift is not just a fad, but a response to various industry challenges such as labor shortages, efficiency bottlenecks and safety concerns.

Why has construction been slow to adapt to new technologies?

The adoption of robotics and digital technologies in construction is not without its challenges. Key barriers include:

  • Unqualified workforce: The existing workforce may lack the skills necessary to operate advanced robotic systems, requiring significant investment in training and education. 
  • Siloed industry structure: The fragmented nature of the construction industry often results in resistance to the standardized processes and integration that are essential to the effective implementation of robotic technologies. 
  • ROI and capital expenditure: The initial cost of robotic technology can be prohibitive, with uncertain return on investment timelines that can deter many companies from adopting these technologies. 
  • Project uniqueness: Every construction project is unique, making it difficult to implement standardized robotic solutions that can be applied to different sites and conditions.

However, this digital construction revolution, led by robotics, is bridging the gap between plans drawn up in the office and what is built on the jobsite. It paves the way for a new era of construction where projects are completed faster, more safely, and with greater precision than ever before. This article examines the different types of robotics being used, their practical applications, their impact on workforce dynamics and market trends in the construction industry.

Robotics in construction: an overview

Different types of robotics are being used to achieve different benefits:

  • Automated and remote-controlled machines for precision tasks: Robotic arms, often equipped with advanced sensors and AI, are used for tasks such as welding, painting, or even assembling intricate components(1). These robots can work tirelessly and achieve a level of accuracy that is difficult for human workers.  
  • Drones and robotic arms for improved safety: Using robotics can greatly improve safety on construction sites. For example, drones are used extensively for surveying, providing real-time aerial views that help site managers monitor progress and plan logistics without exposing human workers to hazardous areas. Similarly, robotic arms perform high-precision tasks such as welding and painting in unstable or dangerous environments, minimizing the risk to human workers. 
  • Robots for increased productivity: Robots help address critical labor shortages by performing repetitive and labor-intensive tasks, such as serial drilling of anchor holes. Robots can work continuously without interruption, improving workflow efficiency and keeping projects on schedule.

The role of robotics in sustainable construction

Sustainability is a key concern in the construction industry, and robotics is emerging as powerful ally in this quest. This section explores how robotics can contribute to sustainable building practices and help reduce the environmental impact of construction projects by reducing waste, optimizing resources, and promoting green building techniques.

  • Reducing construction waste: Robots' precision and accuracy minimize errors during construction, which in turn reduces material waste. For example, automated cutting and assembly processes ensure that materials are used optimally, minimizing waste and scrap. According to a report by the World Economic Forum, such precision can lead to a significant reduction in construction waste, a major contributor to landfill.
  • Optimizing resource use: While robotics play a critical role in​ optimizing resource use, there is growing concern about the energy consumed by these technologies(2). Using advanced algorithms and AI, construction robots can be programmed to operate more efficiently, reducing their energy consumption. This optimization is critical to ensuring that robots contribute to greener construction sites, rather than increasing the carbon footprint. The International Journal of Sustainable Building Technology and Urban Development highlights the importance of this approach in making construction practices more sustainable.(3)
  • Facilitating greener buildings: For example, robots are increasingly being used to install ​solar panels and green roofs, tasks that require high precision and can be labor-intensive(4). Robots are also being used in 3D printing to create sustainable building materials from recycled materials, as discussed in a study published in the Journal of Cleaner Production.

Harnessing AI and advanced robotics in construction

The combination of artificial intelligence (AI) and robotics in the construction industry not only enhances the automation of physical tasks, but also significantly improves the adaptability of robotic systems to dynamic site conditions. AI enables robots to interpret real-time data, adapt to changes and make autonomous decisions that help prevent delays and optimize project execution. This capability is critical in complex construction environments where conditions can change rapidly, requiring quick adjustments to maintain efficiency and project schedules.

A prominent example of AI-driven robotics in construction is the Hilti Jaibot. This robot is an example of how AI can facilitate project management and execution. Designed for marking and drilling holes on construction sites according to digital plans, the Jaibot uses advanced positioning and geospatial data to perform tasks with high precision. Its AI component ensures that it can adapt to changing site conditions and make data-driven decisions to optimize workflows. The result is increased efficiency, accuracy and safety, as well as reduced labor costs and lower physical strain for human workers.

From drones to BIM: more intelligent building technologies

Beyond the Hilti Jaibot, there are numerous other examples where AI and robotics are transforming the construction landscape:

  • Autonomous Drones and Vehicles: These technologies are used for tasks like site surveying and material transportation. They use AI to navigate and perform tasks autonomously, improving efficiency and reducing the need for manual labor.
  • AI-Powered Predictive Maintenance: AI algorithms analyze data from construction machinery to predict maintenance needs. This helps reduce downtime and prolong equipment life.
  • 3D Printing in Construction: AI enhances the capabilities of 3D printing in construction, optimizing designs and materials usage for sustainable and efficient building methods.
  • AI in Building Information Modeling (BIM): AI integrates with BIM systems to improve the planning, design, and management of construction projects, offering solutions that can anticipate and solve complex problems in the design phase.

Impact of 3D printing and modular techniques in construction

The synergy between robotics and 3D printing is making a significant impact on the construction industry, particularly in modular and prefabricated construction(5). This combination is leading to a revolution in the way buildings are conceived, designed and constructed.

Robotic 3D printing in construction offers numerous benefits. First it greatly accelerates the construction process. With robotic 3D printing, entire structures or parts of buildings can be printed in a fraction of the time. This speed is a game changer, especially for projects with tight deadlines or situations that require rapid construction, such as disaster relief.

Second, the cost-effectiveness of robotic 3D printing is a major advantage. Robotic 3D printing helps reduce labor, materials, and logistics costs. It can also reduce waste through precise material usage, contributing to both cost savings and environmental sustainability.

Another critical aspect of robotic 3D printing in construction is customization. Traditional construction methods can be restrictive in terms of design options. However, 3D printing, aided by sophisticated software, makes it possible to create complex, customized designs that would otherwise be difficult or impossible to achieve. This capability opens new avenues for architectural creativity and innovation.

In addition, robotic 3D printing is central to the advancement of modular and prefabricated construction. In this process, sections or modules of a building are created in a factory and then transported to the construction site for assembly. Robotic 3D printing enables the rapid and precise production of these modules. It ensures consistent quality and can be tailored to the specific needs of each project.

Robotics and technology training

Preparing the construction workforce for the jobsite of the future

Construction workers now need to develop new skills to work with and effectively manage robotic systems. The importance of education and training. This training not only enhances the workforce's ability to effectively use robotic technologies but also helps increase safety and efficiency on jobsites. The future of construction is likely to involve a combination of traditional construction skills and new competencies in robotics and technology management.

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