How do you calculate storey drift?
STORY DRIFT is the lateral displacement of one level relative to the level above or below. STORY DRIFT RATIO is the story drift divided by the story height.
What is story drift ratio?
Storey drift is the lateral displacement of a floor relative to the floor below, and the storey drift ratio is the storey drift divided by the storey height. You can obtain graphs showing the height-wise distribution of displacement, storey drift and storey drift ratio.
What is storey drift and storey displacement?
Storey drift is the difference of displacements between two consecutive storey’s divided by the height of that story. And Story displacement is the absolute value of displacement of the storey under action of the lateral forces. The importance of story drift is in design of partitions/ curtain walls.
What is the difference between deflection and drift?
First, the definitions: Lateral (story) drift is the amount of sidesway between two adjacent stories of a building caused by lateral (wind and seismic) loads (Fig. 11.1). Horizontal deflection of a wall refers to its horizontal movement between supports under wind or earthquake loading.
What is maximum story displacement?
1) Story displacement is the lateral displacement of the story relative to the base. The lateral force-resisting system can limit the excessive lateral displacement of the building. The acceptance lateral displacement limit for wind load case could be taken as H/500 (some may take H/400).
What is building story drift?
Story drift is the difference of displacements between two consecutive stories divided by the height of that story. Story displacement is the absolute value of displacement of the storey under action of the lateral forces. The importance of story drift is in design of partitions/ curtain walls.
What is difference between story drift and displacement?
1) Story displacement is the lateral displacement of the story relative to the base. 2) Story drift is the relative displacement of one story relative to the other. The importance of story drift is in design of partitions and curtain walls.
What is structural drift?
First, the definitions: Lateral (story) drift is the amount of sidesway between two adjacent stories of a building caused by lateral (wind and seismic) loads (Fig. Horizontal deflection of a wall refers to its horizontal movement between supports under wind or earthquake loading.