First, the stone sealing and sealing should be designed according to the external protective structure. The stone curtain wall slab should be selected from igneous rock. Second, the natural stone curtain wall should not be used in high-rise and super high-rise buildings. When the design requirements are adopted, there should be anti-fragmentation measures for the stone. Third, the skeleton of the stone curtain wall should be designed in consideration of the effect of the building facade, the structure of the civil structure, and the installation form of the stone curtain wall. It is necessary to ensure the safety and reliability of the curtain wall system and the feasibility of the construction process. Fourth, the stone curtain wall and its joints should have sufficient bearing capacity, rigidity and displacement capacity relative to the main structure. The column of the curtain wall skeleton shall be connected with the main structure through the metal corner code. The bolt and the corner code shall be connected by bolts. The bolt pad shall be protected against loosening and anti-slip. 5. Stone wall with non-seismic design, the stone shall not be damaged under the action of wind; the stone curtain wall with seismic design can still be used after being repaired under the action of fortification intensity earthquake; the curtain wall skeleton shall not fall off under the action of rare earthquake. Sixth, in the design of stone curtain wall components, the safety of the curtain wall system under the influence of gravity load, wind load, earthquake action, temperature action and main structure displacement should be fully considered.
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What are the criteria for material selection and structural design of stone curtain wall?