German tech university in Oman sets new record in 3D printing

German Technology University of Oman (GUtech), claims to have set the record for fastest 3D printing of buildings on location – three new structures of 173 sq-m were built in just eight days with the help of a Cobod International construction printer.

The new 3D printed buildings – a coffee shop, a public toilet and a fisherman’s house – have been erected in Duqm, the Special Economic Zone of Oman, in cooperation with general contractor Teejan and Cobod.

These structures were printed using locally available materials. The Dfab solution, developed by Cemex and Cobod, allows you to 3D-print concrete with up to 99% local materials at very low costs.

The total cost of concrete was $3,600 for all three buildings. All buildings have load-bearing walls without columns, roof slabs or 3D printed parapets.

Cobod claims that the world’s first 3D-printed building was a commercial coffee shop, with a floor area measuring 81 square meters. It was completed in three days by the GU Tech team, who allocated eight hours per day.

The building, which stands 12 ft tall, was made using 19.6 cu m of concrete produced from locally available raw materials and Cobod’s Dfab solution.

The public toilet’s total area was 20 sq m. The printing process took 13 hours and was split into two days. Concrete was used to make the structure, which measures 3.5m tall.

The fisherman’s house has been 3D built with a 72-sq-m floor area. GUtech specialists took only 19 hours to complete the building. The printing was divided into two days.

This house stands at 10 feet tall.

The Danish 3D printing pioneer Teejan said that all 3D printed buildings were produced in cooperation with Teejan, who was also a general contractor.

Cobod says that GUtech impressed the world earlier when it 3D printed the largest building in concrete with a floor area measuring 190 square meters.

Dr. Yousuf Al Bulushi, GUtech, said that the 3D concrete printing was introduced in Oman. This is a demonstration of how you can adopt the newest technology and use it to your advantage.

“We have demonstrated the potential of 3D printing with the record-breaking printing in Duqm. He said that he has great faith in his Omani experts team and is aiming to surpass all expectations.

Cobod stated that the Duqm authorities approved the 3D-printed construction method and issued permits for the 3D-printed buildings.

“It is a proud honor to have designed the buildings that were 3D printed by GUtech, and approved in Duqm. Zaid Marmash was the chief architect responsible for the Middle East region at Cobod.

He said that 3D concrete printing and Duqm are both promising. GUtech provides the proof that these promises are being realised.

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