{"id":32269,"date":"2018-11-13T14:33:42","date_gmt":"2018-11-13T19:33:42","guid":{"rendered":"https:\/\/digital.hbs.edu\/platform-rctom\/submission\/the-ugliest-bridge-in-the-world-3d-printing-in-acciona\/"},"modified":"2018-11-13T14:33:42","modified_gmt":"2018-11-13T19:33:42","slug":"the-ugliest-bridge-in-the-world-3d-printing-in-acciona","status":"publish","type":"hck-submission","link":"https:\/\/d3.harvard.edu\/platform-rctom\/submission\/the-ugliest-bridge-in-the-world-3d-printing-in-acciona\/","title":{"rendered":"The ugliest bridge in the world. 3D printing in Acciona\u2026"},"content":{"rendered":"

The construction industry today.<\/strong><\/p>\n

The future seems to be looking bright for the global construction industry. Some analysts predict that the volume of construction output will grow by as much as 85% by 2030[1]<\/a>. The opportunity is there but there are a few major issues, that give construction companies a headache[2]<\/a>. They face a serious shortage of workforce[3]<\/a>, an increasing complexity of projects, rising material costs, more and more unfavorable contract terms as well as growing pressure on safety and sustainability \u2013 just to name a few. But here 3D printing comes as a savior! Or does it?<\/p>\n

The importance of 3D printing for construction.<\/strong><\/p>\n

Indeed, 3D printing, also known as Additive Manufacturing (AM) seems to be a natural fit for the construction industry. It can be used to create construction components just as well as print the entire buildings and is suitable for nearly all the key construction materials, including concrete and metal.<\/p>\n

Experts claim that construction companies will have to adapt to this new megatrend, whether they like it or not[4]<\/a> if they don\u2019t want to lag behind the competition. And that is because 3D printing is an answer to many of their burning problems and promises some serious process improvement.<\/p>\n

First of all, it addresses the shortage of workforce in the construction industry. In 2018 nine out of ten U.S. contractors reported difficulties in finding skilled labor[5]<\/a> and the situation in very similar virtually everywhere in the world. Insufficient workforce creates a serious bottleneck in the process and decreases construction outputs. With 3D printing it becomes possible to replace a large percentage of your workforce with machines, operating 24\/7. This leads to both efficiency and safety improvements. What else could you ask for?<\/p>\n

At the same time 3D\u00a0 printing is an answer to the increasing costs[6]<\/a> of materials as well as growing pressure on the speed and timeliness of the delivery. And 3D printing removes a lot of variability from the construction process (due to limited use of human workforce, ability to shorten lead times[7]<\/a> and remove the supplier risk) as well as significantly lower waste[8]<\/a>.<\/p>\n

No wonder 3D printing has recently been of interest to some of the big names in the construction industry: Skanska, LafargeHolcim, BAMInfra, Chinese Winsun, Russian PIK and and finally \u2013 Spanish Acciona.<\/p>\n

Acciona\u2019s short and medium-term response to the megatrend.<\/strong><\/p>\n

Acciona became interested in 3D printing as early as in 2016. They partnered with a research group \u2013 The Institute for Advanced Architecture of Catalonia to work on developing a large scale cement additive manufacturing technology. In December 2016 they inaugurated the first 3D-printed pedestrian bridge in the world. As impressive as it may sound its usefulness and, most of all, its aesthetics were widely questioned. It was more of an experiment than a commercially justified project and was named by the press \u201cthe ugliest thing you\u2019ve ever seen\u201d[9]<\/a>.<\/p>\n

Not discouraged at all, Acciona remained interested in 3D printing. The company has launched their I\u2019MNOVATION[10]<\/a> program aimed at supporting startups that develop technologies applicable to Acciona\u2019s operations, one of them being 3D printing. This might be a good way to keep an eye on the developments in this space in the 2 to 10-year horizon.<\/p>\n

Other recommendations for Acciona.<\/strong><\/p>\n

Even though Acciona\u2019s efforts are undoubtedly better than nothing it is really hard to resist the impression that they are moving way to slow. In the short term the company should allocate more resources to develop 3D techniques, which are not only interesting but also instantly commercially applicable.<\/p>\n

In the medium term it might be a better strategy to, instead of supporting brand new ideas, buy a company at a slightly later stage of development. At least one of Acciona\u2019s competitors – Vinci has already done this[11]<\/a>. There is an abundance of available targets[12]<\/a> and Acciona has got sufficient resources (EBITDA of EUR 579m in 2017[13]<\/a>) so why not shorten the path to commercialization?<\/p>\n

Is it really going to work? Open questions.<\/strong><\/p>\n

One question that still needs to be answered is whether customers are ready to accept these new constructions techniques. As early as 10 years ago many predicted that prefabrication would be the future of construction. But the industry seem to never have convinced their customers that it would have no negative impact on quality. Will they have more trust in 3D printing?<\/p>\n

The construction industry tomorrow.<\/strong><\/p>\n

No matter how clumsy the attempts to use 3D printing in construction are (just take one more look please):<\/p>\n

\"\"<\/a><\/p>\n

the potential benefits for the multi-trillion-dollar construction industry are just too big to ignore. And whoever embraces this opportunity first will gain a tremendous competitive advantage. And maybe even will have a chance to 3D-print the first neighborhood on Mars[14]<\/a>\u2026<\/p>\n

(800 words)<\/p>\n

[1]<\/a> Global Construction 2030 Report.<\/strong> Oxford Economics <\/em>(January 2018)<\/p>\n

[2]<\/a> K. Jones. Major challenges facing the construction industry.<\/strong> Lake Erie West Manufacturing & Construction News<\/em>, vol. 21, issue 5 (May 2018): 8-9<\/p>\n

[3]<\/a> Construction Europe,<\/em> vol. 28, issue 4 (May 2017): 27<\/p>\n

[4]<\/a> R. de Laubier. BCG Report: Will 3D Printing Remodel the Construction Industry?<\/strong>. (January 2018)<\/p>\n

[5]<\/a> Statement of the U.S. Chamber of Commerce.<\/strong> Press release (June 7 2018) https:\/\/www.uschamber.com\/press-release\/workforce-challenges-continue-impact-construction-industry-9-out-of-10-us-1<\/p>\n

[6]<\/a> 3D printing offers cost savings for construction.<\/strong> Water & Effluent Treatment News<\/em> (June 2015): 4; 3D printing to change the construction industry.<\/strong> Operations Management<\/em>, vol. 42, issue 2 (2016): 5<\/p>\n

[7]<\/a> I. Kothman. How 3D printing technology changes the rules of the game: Insights from the construction sector.<\/strong> Journal of Manufacturing Technology Management<\/em>, vol. 27 issue 7 (July 2016): 932-943<\/p>\n

[8]<\/a> P. Wu, J. Wang, X. Wang. A critical review of the use of 3-D printing in the construction industry.<\/strong> Automation in Construction<\/em>, vol. 68 (August 2016): 21-31<\/p>\n

[9]<\/a> J.M. Bond. The world\u2019s first 3D-printed bridge is the ugliest thing you\u2019ve ever seen. <\/strong>The Daily Dot<\/em> (December 2016)<\/p>\n

[10]<\/a> https:\/\/www.imnovation.com\/<\/p>\n

[11]<\/a> https:\/\/www.vinci-construction.com\/en\/news\/vinci-construction-signs-partnership-agreement-xtreee-and-acquires-stake-company-leader-3d-concrete-printing\/647\/<\/p>\n

[12]<\/a> R. de Laubier. BCG Report: Will 3D Printing Remodel the Construction Industry?.<\/strong> (January 2018)<\/p>\n

[13]<\/a> https:\/\/www.acciona.com\/pressroom\/news\/2017\/july\/acciona-increases-ebitda-579-million-euros\/<\/p>\n

[14]<\/a> M.C. Roman. Centennial Challenges Program Update: From Humanoids to 3D-Printing Houses on Mars, How the Public Can Advance Technologies for NASA and the Nation.<\/strong> Space and Astronautics Forum Conference Paper.<\/em> NASA Marshall Space Flight Center <\/em>(September 2018): 1-24; J. Rubenstone.; PRINTING BUILDINGS: NASA’s challenge to adapt additive manufacturing for robots on Mars is only one sign 3D printing is becoming a reality in construction. (cover story)<\/strong>. Engineering News-Record<\/em> (9\/4\/2017): 26-31<\/p>\n","protected":false},"excerpt":{"rendered":"

3D printing seems to be a natural fit for construction. It can potentially fix some of the most burning operational problems in the industry. 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