Unveiling the Barriers to Industry 4.0 Adoption towards Sustainable Supply Chain in the Construction Industry

The construction industry is a world of heavy materials and massive projects, where a single building can take years to rise from the ground. For decades, the way these projects are managed has relied on traditional methods, often leaving behind a trail of wasted resources, high energy use, and complex supply chains that are difficult to track. In recent years, a new wave of technology has promised to change this. Often called the fourth industrial revolution, this shift involves using smart digital tools to connect every part of a project, from the factory making the steel to the truck delivering the concrete. The goal is not just to build faster, but to build in a way that is kinder to the planet, reducing waste and pollution while keeping costs under control. This vision is known as a sustainable supply chain, and it relies heavily on these new digital systems to function.

However, a promise of efficiency is not the same as reality. In many parts of the world, particularly in developing economies, these advanced technologies are not being used as widely as experts hoped. The question of why this is happening has puzzled researchers and industry leaders. Is it simply that the technology is too expensive? Or is the problem that companies do not know how to use it? To answer this, a team of researchers from universities in Nigeria set out to look closely at the specific hurdles stopping construction firms from adopting these digital tools. They wanted to move beyond guessing and instead measure exactly which obstacles were the heaviest, and how different types of problems—like money, rules, or communication—interact with one another.

The researchers focused their study on the construction professionals working in Edo and Delta States in Nigeria. They reached out to 285 experienced experts, including architects, engineers, and project managers, all of whom had at least ten years of experience in the field. From these professionals, they received 55 detailed responses, a solid number that gave them a clear picture of the current situation. The team asked these experts to rate the severity of various challenges on a scale, covering everything from the cost of new software to the lack of skilled workers and the state of government policies. The goal was to sort these challenges into a clear map, or taxonomy, that showed how they fit together, rather than just listing them as a random collection of problems.

When the team analyzed the data, they found that the barriers were not all the same kind of problem. Instead, they fell into seven distinct categories: technological, organizational, economic, institutional, environmental, human-resource, and social. The researchers used a statistical method to group these items and see which ones tended to appear together. They discovered that environmental barriers, such as the depletion of natural resources and the pollution caused by heavy industries like steelmaking, formed a very tight and clear group of problems. Economic barriers, including issues with cash flow and logistics, also grouped together strongly. However, social barriers, which involve how people communicate and share information, were more scattered and complex, suggesting that the problems in this area were not all caused by the same thing.

The most surprising finding was not that money or technology were the biggest hurdles, but that communication and policy were just as critical. When the researchers ranked the individual problems by how severe they were, the top four barriers were not what many might expect. The most severe barrier identified was a deficit in public communication. This means that companies were failing to clearly explain the benefits of these new technologies to their workers, partners, and the public. The second most severe issue was the depletion of resources in steel-intensive processes, highlighting the environmental cost of the industry's reliance on traditional materials. The third was inefficiency in logistics and cash flow, and the fourth was inefficient institutional policy, meaning that government rules and incentives were not helping companies make the switch.

This ranking challenges the common belief that the only thing stopping companies from adopting new technology is the price tag. The study suggests that even if a company has the money to buy the latest digital tools, they will still struggle if they cannot communicate the value of those tools to their team, or if the government does not provide a clear framework that encourages the change. The researchers found that these problems are deeply connected. For instance, weak government policies can make a company feel that investing in new technology is too risky, which then leads to a lack of cash flow for training staff, which in turn creates a shortage of skilled workers. It is a chain reaction where one type of barrier makes the others worse.

To address this, the researchers proposed a practical framework for moving forward. They argued that construction firms cannot solve these problems in isolation. Instead, they need a coordinated approach that starts with better communication. Before a company spends money on new software, they must first ensure that everyone from the top management to the site workers understands why the change is necessary. Once that understanding is in place, the next step is to tackle the human-resource issues through training and reskilling. Only after these internal foundations are laid should the focus shift to the economic and institutional barriers, such as securing financing and lobbying for better government policies.

The study concludes that the path to a sustainable, digital future in construction is not a straight line. It requires a shift in how the industry views its challenges. The most severe obstacles are not just technical glitches or financial shortfalls; they are often issues of trust, clarity, and policy. By recognizing that communication deficits and weak regulations are just as powerful as high costs, industry leaders and policymakers can begin to build a strategy that addresses the whole system. The research offers a clear roadmap: fix the way people talk about the change, secure the necessary skills, and then work together to create the economic and political conditions that allow these new technologies to thrive. Without this holistic approach, the promise of a greener, more efficient construction industry will remain out of reach.