A element based wall construction, process of modular construction and apparatus for constructing structures of spaced concrete cylinders and beams and foam insulating blocks. The wall construction includes spaced, vertical concrete cylinders interconnected by horizontal concrete beams, reinforced...http://www.google.com.au/patents/US5697196?utm_source=gb-gplus-sharePatent US5697196 - Element based foam and concrete wall construction and method and apparatus therefor 
