Despite its great potential to streamline design and construction processes, the implementation of building
information modelling (BIM) in many projects has failed to achieve expected benefits due to user resistance. Grounded in the technology
acceptance model and equity theory, this study proposes a model of factors predicting resistance behaviours to BIM implementation during
the post-adoption stage in construction projects. The model is tested with partial least squares modelling on survey data collected from
design engineers in BIM-based construction projects in China. The empirical results provide evidence that after controlling for related
individual, organizational and project characteristics, efficiency and equity perceptions play prominent but independent roles in determining
behavioural resistance to BIM implementation, and that these perceptions are differently associated with contextual factors at individual,
team and project levels. Apart from the independent contextual factors conceptualized in the model, control factors such as individual age
and organization nature are also found to be significantly associated with resistance behaviours. As an exploratory effort to examine
resistance behaviours to BIM implementation in construction projects, this study contributes to deepened understandings of the complexity
of innovation resistance behaviours in the context of construction projects and offer suggestions for how to manage such behaviours.
Abstract:In mining of inclined coal seams in Tangshan coal mine of Kailuan group, gateways on either end of a panel were both typically located along the floor and a gateway pillar between adjoining panels was left unmined between adjacent panels to ensure stability, thus forming a planar mining system. According to the practice, however, it turned out that this conventional mining system has long-standing problems, such as face end support problems, coal bumps, sliding of mining equipment downhill, spontaneous combustions, support problems in development entries, etc. In view of this situation and based on the No. Y294 panel, this paper analyzes an innovative mining technology in which the gateways on either end of a panel are located at different heights within the coal seam. For the adjacent panel, the gate development may be superposed on the development entry of the previous panel or may be offset with respect to it. Field data shows that the split-level layout of the longwall panel plays an effective role in control of overall stability of mining equipment in inclined coal seams. Physical modeling demonstrates that the new technology has many advantages in ground control. Under the condition without a pillar, development entry adjacent to the new panel is located in the de-stressed zone and stress concentration is significantly reduced with associated reduction in coal bumps, bursts and support problems which means less support and maintenance requirement and cost. Compared with the conventional rectangular pillar, the gateway pillar width in this new technology is effectively reduced when pillars have to be left unmined. Roof strata behavior and features are analyzed. Corresponding operations in the field are introduced in detail.
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