The research introduces the combination of Diffusion of Innovation Theory and Activity Theory to investigate the process of adoption and implementation of BIM in the construction industry in Vietnam. Data was collected from three large main contractors as they are considered as innovation leading organizations. Qualitative research was employed using semi-structured interviews to analyze respondents' perspectives of their daily BIM activities. Main informants include senior managers, BIM team members and site staff. Key findings were the factors affecting the decision of BIM adoption of senior managers (i.e., non-BIM users), the factors affecting BIM implementation of site staff (i.e., BIM users), and the contradictions emerging when senior managers mandate to use BIM, and employ a BIM team as the change agent for instruction and collaboration on the construction site.
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