%X This article summarises the developments in construction R&I since the nineteen nineties in the context of collaboration between private companies, research institutes and universities. Such cooperation has adopted the form of both continuous participation in R&I fora and partnering in specific research projects. %K Innovation in construction; Technology platforms %L upm55945 %J Hormigón y Acero %P 71-74 %A Jesús Rodríguez %R 10.1016/j.hya.2018.09.001 %I Elsevier %D 2018 %V 69 %N S1 %T Research and innovation in construction: Collaboration in the last quarter century