Just as you read: a construction method that was applied in China and that amazes the world is capable of erecting a building in just 28 hours. The model is led by the Broad Group, which seeks to break with engineering traditions through the industrial manufacturing of prefabricated modules. Using this method, as reported by the South China Morning Post, a ten-story building that could typically take months or even years to construct can be completed in just over a day. However, the goal is not to accelerate work on the construction site, but rather to carry out most of the process in a factory, where the process is private and not public—that is, without passersby observing the development as they walk past the site of the future building. What does the method for building a building in 28 hours involve? The key to this advancement lies in so-called off-site construction, which involves manufacturing the main components of the building in an industrial plant. These modules include walls, roofs, electrical systems, plumbing, and even basic finishes. Finally, each module is transported by truck to the site where the building will be erected. From the site, specialized cranes place each block in its exact position, following a pre-calculated design. In simpler terms: the structure is assembled like a system of giant blocks, optimizing resources and reducing the time to just 24-30 hours. Assembly is carried out using high-strength screws and bolts, instead of relying exclusively on concrete. And once all the modules are in place, technicians connect essential services such as electricity, water, and drainage. This system allows the entire process to be much faster than conventional construction. Also read: This is the most expensive hotel in the world: $100,$000 per night (video)

The key material for this construction model

One of the most important elements of this method is the use of a steel structure known as B-Core. This material is composed of reinforced steel plates that provide structural strength with less weight than traditional concrete.

Being lighter, it facilitates transport and assembly. In addition,This type of structure is designed to withstand seismic activity, which increases its safety level. According to the developers, the system meets international standards for strength and stability.

Another advantage is that, by using mechanical connections instead of permanent materials, the building can be disassembled in the future if necessary, something unthinkable in traditional construction.

The success of this system has sparked interest in other regions of the world. Countries such as the United States, Japan, Singapore, and several European nations have begun using modular construction for housing, hospitals, and offices. However, in China they have already started with buildings of up to ten stories.

Industrialized modular construction is emerging as a viable alternative for the future, combining speed, efficiency, and quality control. Furthermore, it reduces material waste and decreases cement usage.

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