Nuclear reactors and particle accelerators for medicine and research use, among other things, concrete shielding to block radiation, and when the reactor is scrapped or the equipment is dismantled, radioactive waste is produced. Using low activation concrete makes it possible to reduce the amount of radioactive waste produced.

This concrete is just as easy to work and process as normal concrete.

This concrete can reduce the enormous disposal costs resulting from the production of radioactive waste.

Noise and vibration simulations
We can estimate how noise and vibration produced during construction and by building operations will affect the neighborhood.

We estimate noise and vibration and assess changes to the surrounding environment. We propose effective countermeasures
Wind environment simulations

We estimate changes to the wind environment surrounding the building.

We estimate wind direction and speed and assess changes to the surrounding environment. We propose effective countermeasures.

If a fill dam embankment needs repairs, bottom mud and other accumulated soil can be freely used to produce embankment soil with excellent strength, water shielding properties, and deformation resistance.

This method is useful for both repairing embankments and removing bottom mud.

No money is spent purchasing embankment soil.

Even if the soil undergoes deformation, it sticks together and resists cracking.

This method prevents algal growth and improves water quality without the need for ongoing maintenance, with the installation of floating islands for growing rabbit-ear irises and other aquatic plants in ponds.

The plants on the floating island grow back each year without the need for gardening maintenance.

Water quality can be improved without the need for any manual intervention.

Floating islands become a habitat for aquatic organisms, helping to preserve biodiversity.

This construction method provides efficient reinforcement and lets us reduce the height of foundation beams compared with conventional methods. This is done by combining two isosceles triangle-shaped rebars into a star shape.

This method is ideal for condominiums, service-oriented residences for the elderly, hospitals, schools, and steel-frame buildings with pits.

It shortens construction time and reduces construction costs.

Fujita is able to construct high-quality, high-performance earth-drilled piles using five technologies that incorporate proprietary improvements.

We construct high-quality piles with greater construction accuracy than conventional methods.

We have achieved reliable earthquake-proof performance by making changes to pile head concrete compaction and reinforced frame assembly.

By using Yureiza III, a floor vibration analysis system, we can predict floor vibrations with high precision over short periods of time and take that into account in our designs.

Ideal for designing spaces that span large areas with few columns and are prone to swaying.

Floor vibration can be shown via 3D animation.

We have developed and put into practice a variety of technologies for counteracting vibration, including a device (a tuned mass damper, or TMD) that absorbs vibration by means of a moving weight.

This system uses multiple robotic jacks to raise work platforms that include integrated scaffolding and forms. Because it can be assembled and disassembled on the ground, it is very safe and economical.

Control devices and sensors allow the work platform to remain level while being raised.

This technique combines the advantages of the form construction method and the sliding form method.

The FCF method combined with aluminum dome roofing allows the installation of safer work platforms with fewer constraints for constructing dome roofs.

The FSRPC-B construction method is a proprietary Fujita technology that uses column and beam joints that combine reinforced concrete columns with steel beams. The FRASH construction method is a new hybrid method that uses reinforced concrete wrapped around the ends of steel beams.

We create column-less wide open spaces for logistics facilities, commercial facilities, hospitals, offices, and more.

Our construction times and costs are lower than when conventional steel-reinforced concrete columns and steel beams are used.

By combining conventional reinforced concrete and steel construction methods, we enable more flexible materials election and achieve more streamlined construction systems.

Fujita offers a number of seismic isolation technologies

Seismic isolation technology
Installing seismic isolators between the building and the ground inhibits the transfer of earthquake ground movements to the building.

Seismic quake control technology
The use of seismic quake control devices installed inside buildings greatly inhibits the swaying of buildings during earthquakes.

Buckling-restrained braces (FIRST braces)
By covering the steel core with buckling-resistant materials, we create high-performance earthquake-proof components that prevent buckling during compression.

Residential high-rise buildings can be built using reinforced concrete construction, which has excellent heat and sound insulation properties and doesn’t sway much during earthquakes or in strong winds.

The use of ultra-strong concrete for columns, with a compressive strength in excess of 100 N/mm2, creates a smaller cross-section to increase usable living space.

The precast concrete construction method, in which components are made in a factory, achieves higher quality and shorter construction times.

Recovery activities carried out at the site of debris flow disasters and collapses can be carried out safely and quickly through remote control of construction machinery by human operators from a safe location.

The robot can easily be installed in the driver’s seat of standard construction equipment.
Unmanned Construction Method

Fujita also has a successful track record with other unmanned construction technologies, including remote earthworks systems, unmanned RCC construction, unmanned steel frame construction, and unmanned measuring systems.