In a stick- built glass curtain wall system, the mullions may span floor to floor (called single- span mullion system)or between two floors (called twin- span mullion system). In the single- span mullion system, each mullion must be anchored to the building's structural frame with two supports, one at each end. What are these supports (anchors)called? Which of these two anchors (supports)is designed to: (i)carry the gravity load of the curtain wall, (ii)accommodate movement in the curtain wall, and (iii)resist the lateral (wind and seismic)load on the curtain wall?

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The Answer of In a stick- built glass curtain wall system, the mullions may span floor to floor (called single- span mullion system)or between two floors (called twin- span mullion system). In the single- span mullion system, each mullion must be anchored to the building's structural frame with two supports, one at each end. What are these supports (anchors)called? Which of these two anchors (supports)is designed to: (i)carry the gravity load of the curtain wall, (ii)accommodate movement in the curtain wall, and (iii)resist the lateral (wind and seismic)load on the curtain wall?

In a Stick- Built Glass Curtain Wall System, the Mullions