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6th Edition

Segui + 1 other

Publisher: Cengage Learning

ISBN: 9781337094740

Chapter 7, Problem 7.6.1P

Textbook Problem

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A double-angle Shape,

**a**. Use LRFD.

**b**. Use ASD.

To determine

**(a)**

The maximum total load by using Load and Resistance Factor Design (LRFD) method.

**Given:**

Double angle section is

Thickness of the gusset plate is

Ratio of the dead load to live load is

Diameter of the bolts is

Steel used for angle is

Steel Used for gusset plate is

**Calculation:**

The properties for

The gross area is

The distance from the plane of connection to the centroid is

The properties for

The ultimate tensile stress is

Write the expression for cross-sectional area of the bolt.

Here, cross-sectional area of the bolt is

Substitute

Write the expression for nominal shear capacity one bolt.

Here, nominal shear stress of one bolt is

Substitute

Write the expression to calculate the strength.

Here, number of bolts is

Substitute

Write the expression to calculate the nominal bearing strength of a bolt

Here, nominal bearing strength is

With the upper limit of nominal bearing strength of the bolt,

Write the expression to calculate the value of

Here, height of the bolt is

Write the expression to calculate the value of

Here, spacing between the bolts is

Write the expression to calculate the height of the bolt.

Calculate the value of

Substitute

Calculate the value of

Substitute

Calculate the nominal bearing strength for edge bolts.

Substitute

Calculate the upper limit of nominal bearing strength for edge bolts.

Substitute

Thus, the minimum value of

Calculate the value of

Substitute

Calculate the nominal bearing strength for inner bolts.

Substitute

Calculate the upper limit of nominal bearing strength for inner bolts.

Substitute

Thus, the minimum value of

Write the expression to calculate the nominal strength in yielding.

To determine

**(b)**

The maximum total allowable load by using Allowable Stress Design (ASD) method.

Steel Design (Activate Learning with these NEW titles from Engineering!)

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Ch. 7 - The tension member is a PL 1 2 6. It is connected...Ch. 7 - The tension member shown in Figure P7.3-2 is 3 PL...Ch. 7 - A C818.75 is to be used as a tension member. The...Ch. 7 - A 1 2 -inch-thick tension member is spliced with...Ch. 7 - Determine the number of 3 4 -inch-diameter, Group...Ch. 7 - The splice plates shown in Figure P7.4-4 are 1 4...Ch. 7 - The tension member is an L631 2 5 16 . It is...Ch. 7 - A double-angle tension member, 2L431 2 LLBB, is...Ch. 7 - A double-angle Shape, 2L665 8 , is connected to a...Ch. 7 - Determine the total number of 7 8 -inch, Group A...

Ch. 7 - A WT719 of A572 Grade 50 steel is used as a...Ch. 7 - a. Prepare a table showing values of Group A boll...Ch. 7 - A plate 1 2 61 2 of A36 steel is used as a tension...Ch. 7 - The tension member shown in Figure P7.6-6 is an...Ch. 7 - A C920 is used as a tension member and is...Ch. 7 - Design a single-angle tension member and a bolted...Ch. 7 - Design a tension member and its connection for the...Ch. 7 - Investigate both the tee and the belts in the...Ch. 7 - Determine the adequacy of the hanger connection in...Ch. 7 - A bracket must support the service loads shown in...Ch. 7 - A structural tee bracket is attached to a column...Ch. 7 - In the connection of Figure P7.9-3, how many 7 8...Ch. 7 - A double-angle tension member is attached to a 7 8...Ch. 7 - A bracket cut from a W12120 is connected to a...Ch. 7 - Determine the maximum service load that can be...Ch. 7 - Determine the maximum service load that can be...Ch. 7 - Determine the maximum service load, P, that can be...Ch. 7 - A tension member splice is made with 1 4 -inch E70...Ch. 7 - Design a welded connection. The given loads are...Ch. 7 - Design a welded connection for the conditions of...Ch. 7 - Design a welded connection for an MC 923.9 of A572...Ch. 7 - Use LRFD and design a welded connection to resist...Ch. 7 - Use ASD to select a double-angle tension member...Ch. 7 - Design a tension member and its connection for the...

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