Application of UAV Tilt Photography and BIM Technology in Visual Construction of Long-Span Arch Bridge
The low precision of BIM real scene modeling has always been an urgent problem to guide bridge construction.In order to smoothly carry out the construction of spatial Y-shaped steel box rib arch bridge and improve the construction accuracy and efficiency,taking Jinghe Bridge in Shaanxi Province as the research object,aiming at the characteristics of complex component forms and high construction precision,a fine visual model is established by combining BIM technology and tilt photography technology to guide the whole process of bridge construction.The results show that the application of BIM technology can better optimize the construction scheme,and the virtual construction of BIM technology can avoid the drawing problems in advance,quickly count the engineering quantity and explain the visualization technology.In addition,the three-dimensional dynamic hoisting monitoring technology based on BIM is put forward by using BIM+intelligent construction technology,which perfectly solves the requirement of high precision of construction.The combination of UAV tilt photography and BIM technology can significantly improve the efficiency and accuracy of information acquisition in construction planning.The research results provide an important reference for the efficient and accurate construction of complex bridge structures.
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