1. Use LRFD. A W 10x30 unbraced column carries a factored load (P) of 250 kips. If the col- umn is 11 feet long, has pin-pin end conditions, and is made from A492 steel (Fy = 50 ksi, E = 29000 ksi) determine if it is adequate. 2. Redo the previous problem where the column is braced at the midpoint in the weak di- rection.

1. Use LRFD. A W 10x30 unbraced column carries a factored load (P) of 250 kips. If the col- umn is 11 feet long, has pin-pin end conditions, and is made from A492 steel (Fy = 50 ksi, E = 29000 ksi) determine if it is adequate. 2. Redo the previous problem where the column is braced at the midpoint in the weak di- rection.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

1. Use LRFD. A W 10x30 unbraced column carries a factored load (P) of 250 kips. If the col-
umn is 11 feet long, has pin-pin end conditions, and is made from A492 steel (Fy = 50 ksi,
E = 29000 ksi) determine if it is adequate.
2. Redo the previous problem where the column is braced at the midpoint in the weak di-
rection.
3. Select a W14 section to carry a factored load, P, of 400 kips using LRFD. The columns is
unbraced and has a length of 16 ft. The column will be fixed at one end and pinned at
the other and the steel is A492, F, = 50 ksi.

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