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Rarely a post may have an "integral bracket" [14] which is a mid-post flair to carry a lower timber. The portion of a flared post extending upward at the top is called the upstand [15] and one of the top tenons is called a teazle (teasel) tenon. Jetty – A post supporting a jetty; Door –: A post framing a doorway.
A reinforced concrete column is a structural member designed to carry compressive loads, composed of concrete with an embedded steel frame to provide reinforcement. For design purposes, the columns are separated into two categories: short columns and slender columns.
For instance, seismic pull-out action on anchor can have 0.03 seconds of rise time. On the contrary, in a quasi-static test, 100 second may be assumed as time interval to reach the peak load. Regarding the concrete base failure mode: Concrete cone failure loads increase with elevated loading rates with respect the static one. [25]
Post-tensioned concrete is a variant of prestressed concrete where the tendons are tensioned after the surrounding concrete structure has been cast. [ 1 ] : 25 The tendons are not placed in direct contact with the concrete, but are encapsulated within a protective sleeve or duct which is either cast into the concrete structure or placed ...
A method of prestressing concrete where the tendons are tensioned before the concrete is placed. [1]: 51 post-tensioning post-tensioned A method of prestressing concrete where the tendons are tensioned after the concrete has attained a specified minimum strength or age. [1]: 50 prestress level
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