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Hello Ben, Thank you for the comments. Yes, surely we've considered to use Additive Manufacturing (AM) processes because of a number of reasons. Basically AM processes utilise computer-based 3D solid modelling to drive precise control of construction material deposition in an automated process which offers numerous benefits over traditional approaches as: 1. It allows you freedom of design. You would be able to create any complex geometric shapes which cannot be possible with conventional formwork (mould). 2. It does not require any formwork to create components, thus you don't need to recreate any parts for other components. 3. It allows structural optimisation. 4. It allows function integration. 5. It reduces assembly complexity. Surface finishing can be easily done while printing if we use a trowel. In addition, our process can be operated onsite and offsite. Best Sungwoo On 31 May 2010, at 22:13, Benjamin Pratt wrote: > My reaction is that the results could be more easily achieved with existing technology. It would appear easier to print, or cnc, a mold, and then pour the concrete. this would help with several issues: 1) the concern about concrete hardening is the printer; 2) the finishing of the final product. It would be much easier to achieve a smooth surface on the negative, than on the concrete, and 3) the need to engineer and manufacture the "printer". > In other words, if I had to make these parts, i would probably cnc foam, in layers, finishing the surfaces as necessary, then pour the part. The foam could be easily removed after the concrete cures. The other advantage of "my" technique is that the significantly lighter mold could be transported to the construction site and then the part could be poured there. > It is very likely that you've considered this technique and have reasons why your process is better--and I am curious as to what these reasons are. > best > Ben Pratt > > > On Mon, May 31, 2010 at 2:37 PM, Sungwoo Lim <[log in to unmask]> wrote: > Dear all, > > I am a research associate at Loughborough University in the UK, and I would like to introduce and share our current research project 'Concrete Printing'. The Concrete Printing Process is capable of producing building components with a degree of customisation that has not yet been seen. It could create a new era of architecture that is adapted to the environment and fully integrated with engineering function. You can find clear ideas of what this research is about in the below link. > > http://www.youtube.com/watch?v=EfbhdZKPHro > > Your comments about the technology is more than welcome. > > Kind regards, > Sungwoo Lim > -------------------------------- > Dr Sungwoo Lim > > Research Associate / Project Co-ordinator > Project Title: Freeform Construction (Concrete Printing) > Project PR video: http://www.youtube.com/watch?v=EfbhdZKPHro > Official web: http://www.lboro.ac.uk/departments/cv/staff/profile/220.html > Personal web: http://www-staff.lboro.ac.uk/~cvsl3/Site/Welcome.html > Department of Civil & Building Engineering, Loughborough University, Leics, UK, LE11 3TU > Tel: +44 (0)1509 223782 > Fax: +44 (0)1509 223981 > > > > -- > Benjamin G. Pratt > Professor, Design > The University of Wisconsin-Stout > > -------------------------- > Sent from my BlackBerry Wireless Handheld > > >