Subway construction can be "holographic projection"! Qingdao Metro Line 9 won the national award

According to the news of the rail transit exhibition, a few days ago, the BIM model of Huacheng Road Station of Qingdao Metro Line 9 won the first prize in the 6th "Modeling Master Cup" National Building Information Modeling (BIM) Modeling Competition in 2023. It is reported that all stations in the first phase of Line 9 have realized the creation and optimization of BIM models for station layout and pipe relocation, and the three-dimensional drawings of BIM models for pipe relocation are displayed and applied on site.

"Even a person who doesn't know anything about architectural drawings can intuitively feel the construction effect!" At Huacheng Road Station, Li Yuqian, team leader of Huacheng Road Station of the Municipal Group, introduced the application scenarios of this model, "We use BIM models to produce high-definition renderings, structural drawings, node diagrams, practice hierarchy diagrams and other characteristics of process node detail drawings, and make 3D animations, so that a plane drawing can be instantly displayed in front of them, and the construction personnel can observe the details of each node in 360 degrees without dead ends, just like the 'holographic projection' we often see in science and technology movies." ”

BIM diagram of perimeter pipeline risk

At that time, Huacheng Road Station had just completed the pouring of the fourth base plate of the main structure, and the pouring of the first side wall was underway. During the construction of the structure, there are many steel bars, and there is a kind of grandeur that belongs to the power of the building. "The use of BIM technology is equivalent to a 'dress rehearsal' for various processes in construction operations. Before the installation and construction of steel bars, BIM technology modeling is used to find the problems in the actual operation in advance, and the problems are nipped in the bud by optimizing the technical scheme. Li Yuqian said that in order to ensure the safety and orderliness of the project construction and the quality of the project, the project department has continuously strengthened the BIM technical level in the construction project, and fully adopted video disclosure in some key nodes, complex structures and special processes, so as to prepare in advance, control in the matter, and review after the event, which greatly improved the construction efficiency.

Since the start of construction, the project department has actively promoted the application of BIM technology in actual construction, ranging from temporary construction and layout to scheme changes, using BIM technology to solve problems for the construction site, improve construction quality and economic benefits, and promote the digital and intelligent transformation of the construction industry.

"BIM technology modeling analysis and construction application, for us to successfully save about 2 months in the early construction stage of the enclosure structure and structural construction, especially the construction of the military temporary bridge on the diversion road of Huacheng Road Station, through the BIM technology animation simulation installation, especially the installation sequence of each steel component node, carried out the simulation, to achieve the actual construction of the overall hoisting of the military temporary bridge, the conventional installation of the 15 days required to shorten the time to 4 days, effectively guarantee the construction node." Zhao Fengkai, the owner's representative of Huacheng Road Station, said. The project department of Huacheng Road Station uses BIM technology modeling and analysis to improve the construction technology and methods and the risks of the project itself and the surrounding environment, effectively improve the construction quality, ensure the construction safety, and achieve very obvious economic benefits and remarkable results.

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