by Arnold Van Acker (†) and Stef Maas | Apr 29, 2021 | Article
*This article, by Arnold Van Acker (†) & Stef Maas, was originally published in CPI 2-2021. AN OVERVIEW BASED ON PATENT RESEARCH The idea to reduce the self-weight of concrete slabs by putting voids in the centre of the cross-section, dates to the beginning of the...