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Steel Design (Activate Learning wi...

6th Edition
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Publisher: Cengage Learning
ISBN: 9781337094740
Chapter 4, Problem 4.3.2P
Textbook Problem
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Compute the nominal axial compressive strength of the member shown in Figure P4.3-2. Use AISC Equation E3-2 0r E3-3.

Chapter 4, Problem 4.3.2P, Compute the nominal axial compressive strength of the member shown in Figure P4.3-2. Use AISC

To determine

The nominal compressive strength of column

Explanation of Solution

Calculate the effective slenderness ratio by using the formula as follows

Slenderness ratio=KLr

Consider the properties of steel from the AISC steel table.

Substitute 1 for k, 1(25×12)in for L, and 5 for ry

Slenderness ratio=KLr                           =1(25×12)5                           =60<200(OK)

Calculate the buckling stress by using the formula as follows:

Fe=π2E(KL/r)2Substitute 29000 for E, and 60 for KL/rFe=π2E(KL/r)2    =π2(29000)602    =79.50ksi

Check for slenderness ratio by using the relation as follows:

Slenderness ratio=4.71EFyFy is the yield strength

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Chapter 4 Solutions

Steel Design (Activate Learning with these NEW titles from Engineering!)
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Ch. 4 - a. Select a W14 of A992 steel. Use the column load...Ch. 4 - A 20-foot long column is pinned at the bottom and...Ch. 4 - Select a rectangular (not square) HSS of A590...Ch. 4 - Select a steel pipe of A53 Grad B steel (Fy=35...Ch. 4 - Select an HP-shape for the conditions of Problem...Ch. 4 - Select a rectangular (not square) HSS for the...Ch. 4 - For the conditions shown in Figure P4.6-7, use...Ch. 4 - Same as Problem 4.6-7, but use ASD.Ch. 4 - For the conditions shown in Figure P4.6-7, select...Ch. 4 - A W16100 with Fy=60 ksi is used as a compression...Ch. 4 - An HSS 1065 16 with Fy=46 ksi is used as a column....Ch. 4 - A W1279 of A572 Grade 60 steel is used as a...Ch. 4 - Use A992 steel and select a W14 shape for an...Ch. 4 - Use A992 steal and. select a W shape. a. Use LRFD....Ch. 4 - Select a rectangular (not square) HSS for use as a...Ch. 4 - Select the best rectangular (not square) HSS for a...Ch. 4 - The frame shown in Figure P4.7-8 is unbraced, and...Ch. 4 - The given frame is unbraced, and bending is about...Ch. 4 - The rigid frame shown in Figure P4.7-10 is...Ch. 4 - The frame shown in Figure P47-11 unbraced against...Ch. 4 - The frame shown in Figure P4.7-12 is unbraced...Ch. 4 - The frame shown in Figure P4.7-13 is unbraced...Ch. 4 - The rigid frame shown in Figure P4.7-14 is...Ch. 4 - Compute the nominal compressive strength for a...Ch. 4 - Use A572 Grade 50 steel and compute the nominal...Ch. 4 - Select a WT section for the compression member...Ch. 4 - Select an American Standard Channel for the...Ch. 4 - Verify the value of ry given in Part 1 of the...Ch. 4 - Verify the values of y2 , rx, and ry given in Part...Ch. 4 - A column is built up from four 665 8 angle shapes...Ch. 4 - An unsymmetrical compression member consists of 1...Ch. 4 - A column for a multistory building is fabricated...Ch. 4 - Compute the nominal compressive strength based on...Ch. 4 - Two plates 9 16 10 are welded to a W1049 to form a...Ch. 4 - A structural tee shape is fabricated by splitting...Ch. 4 - A column cross section is built up from fourL553 4...Ch. 4 - Compute the available strengths (for both LRFD and...Ch. 4 - For the conditions shown in Figure P4.9-11, select...Ch. 4 - Use LRFD and select a double-angle shape for the...

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