A W30x99 beam carries a concentrated load of 800 kN at its midspan. Using A36 steel with Fy = 248 MPa. Neglect self-weight of the beam. Properties of a W30x99 section: A = 18,744 mmଶ tw = 13.26 mm d =752.66 mm tf =17.02 mm bf = 265.63 mm k =36.51 mm a. Compute the minimum bearing length Nr at the end reactions in order to prevent web yielding in mm. b. Compute the minimum bearing length Nr over which the load must be distributed in order to prevent web crippling in mm. c. Compute the minimum bearing length Nr over which the load must be distributed in order to prevent web crippling in mm.
A W30x99 beam carries a concentrated load of 800 kN at its midspan. Using A36 steel with Fy = 248 MPa. Neglect self-weight of the beam. Properties of a W30x99 section: A = 18,744 mmଶ tw = 13.26 mm d =752.66 mm tf =17.02 mm bf = 265.63 mm k =36.51 mm a. Compute the minimum bearing length Nr at the end reactions in order to prevent web yielding in mm. b. Compute the minimum bearing length Nr over which the load must be distributed in order to prevent web crippling in mm. c. Compute the minimum bearing length Nr over which the load must be distributed in order to prevent web crippling in mm.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A W30x99 beam carries a concentrated load of 800 kN at its midspan. Using A36 steel with Fy = 248 MPa.
Neglect self-weight of the beam.
Properties of a W30x99 section:
A = 18,744 mmଶ
tw = 13.26 mm
d =752.66 mm tf =17.02 mm
bf = 265.63 mm k =36.51 mm
a. Compute the minimum bearing length Nr at the end reactions in order to prevent web yielding in mm.
b. Compute the minimum bearing length Nr over which the load must be distributed in order to prevent web crippling
in mm.
c. Compute the minimum bearing length Nr over which the load must be distributed in order to prevent web crippling
in mm.
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