Abstract
With the development of curtain wall technology, along with the demand of artistic expression of architecture of curtain wall in China, some complex three-dimensional space shapes are increasingly used to the exterior of building. Among them, the construction of complex architecture formed by stone curtain wall system is extremely difficult. Currently, back-latching and hanging are the two most commonly used stone panel installation forms. The stone panel is a multi-point force bearing structure and the panel thickness of general stone curtain wall is about 30mm. In order to achieve architecture space shaping, on the one hand, stone panel thickness needs to be added at structural design. As the curtain wall dead weight is increased and the processing technology is more complex, the system safety and practicability can hardly be both considered. On the other hand, during installation on site, installation of stone panel for architectural shaping curtain wall is very difficult to control in terms of precision and the final installation quality and overall effect will be affected. In order to realize the architect’s bold conceiving on the stone shaping of the commercial annex building of Chengdu Yintai Center, this project adopts a stone curtain wall system simply supported on four sides, greatly improving the mechanical properties of stone panel under the same condition. The lock block fastening method assures the installation precision. The construction tasks are completed highly efficiently with high quality, perfectly showing the unique visual effect of the stone curtain wall.
Highlights
In pursuit of magnificence, energy saving, environmental protection and naturalness, natural stone is widely applied as interior and exterior wall facing material
According to the above studies, in order to overcome a series of problems, such as considerable difficulty in design and construction of the complex architectural form constituted by stone curtain wall system with unprepossessing appearance, based on the composite stone curtain wall, this project utilizes an aluminum alloy sub-frame that is bonded to four sides of the stone panel by using the epoxy resin AB glue
The stone curtain wall of the commercial annex building of Chengdu Yintai Center is unique in shape and all the stones are installed obliquely by 45 degrees, and the largest single panel is 1.5m2
Summary
Energy saving, environmental protection and naturalness, natural stone is widely applied as interior and exterior wall facing material. According to the above studies, in order to overcome a series of problems, such as considerable difficulty in design and construction of the complex architectural form constituted by stone curtain wall system with unprepossessing appearance, based on the composite stone curtain wall, this project utilizes an aluminum alloy sub-frame that is bonded to four sides of the stone panel by using the epoxy resin AB glue. The stone curtain wall system with a hidden frame and supported on four sides can significantly improve mechanical properties of the stone panel under the same conditions, and the lock block fastening can ensure the installation precision. The stone curtain wall of the commercial annex building of Chengdu Yintai Center is unique in shape and all the stones are installed obliquely by 45 degrees, and the largest single panel is 1.5m2 (and the largest specification is 1747×877 mm) This stone curtain wall is achieved through back-latching connecting method. The construction tasks are completed efficiently with high quality, and the unique visual effect of stone curtain wall is perfectly achieved
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