Construction technology of back-cut back bolt connection dry hanging stone curtain wall
The rear-cut back bolt connection is a stone curtain wall fixing method that connects the stone and the skeleton through the double-section anti-vibration type rear-cut anchor bolt and the connecting member:
1 Features
1.1 The plates are independently stressed, installed independently, replaced independently, and the nodes are flexible.
1.2 The connection is reliable, the weakening of the slab is small, and the partial damage of the stone at the joint is reduced, so that the stone panel has high seismic resistance.
1.3 can accurately control the distance between the stone and the bottom of the tapered hole to ensure the smoothness of the surface of the curtain wall.
1.4 The degree of factory construction is high, and the amount of adjustment after the wall is small.
2 Scope of application
It is suitable for the construction of civil building stone curtain wall with a building height of not more than 30m, non-seismic design or seismic fortification intensity not more than 7 degrees.
3 Process principle
Through the double-face special grinding head, the inverted cone hole is grounded at the back of the stone from 100 to 180 mm from the edge of the plate. The inverted cone hole and the rear-cut anchor are flexibly combined with the nylon body, and the load on the plate surface is transmitted to the original structure through the skeleton.
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