BuyFind*arrow_forward*

6th Edition

Segui + 1 other

Publisher: Cengage Learning

ISBN: 9781337094740

Chapter 9, Problem 9.4.1P

Textbook Problem

1 views

A fully composite floor system consists of

a. Determine whether this beam is adequate for LRFD.

b. Determine whether the beam is adequate for ASD.

c. How many

To determine

**(a)**

Whether the beam

**Given:**

Thickness of slab, t = 6.0 inches, spacing = 9.0 ft, span length, L = 40 feet, yield stress = 50 Ksi

Construction load = 20 psf, and live load = 250 psf.

The value of

**Calculation:**

Using LRFD method, we have

To check whether or not W 21 X 57 shape is as follows:

DesignationImperial (in x lb/ft) |
Depthh (in) |
Widthw (in) |
Web Thicknesst_{w} (in) |
Flange Thicknesst_{f} (in) |
Sectional Area (in^{2}) |
Weight (lb_{f}/ft) |
Static Parameters |
|||

Moment of Inertia |
Elastic Section Modulus |
|||||||||

I_{x} (in^{4}) |
I_{y} (in^{4}) |
S_{x} (in^{3}) |
S_{y} (in^{3}) |

W 21 x 57 | 21.1 | 6.56 | 0.405 | 0.650 | 16.7 | 57 | 1170 | 30.6 | 111 | 9.4 |

Calculate the loads on the beam as follows:

After curing we have,

Where,

between two adjacent beams.

The dead load on the beam before the concrete has cured is:

Where,

Neglect the beam weight and check for it later.

Calculate the live load on the beam using the following equation:

Where,

Calculate the strength of the section as below:

Where, the compressive force is C, the compressive force of concrete is

Calculate the compressive force in steel as follows:

Where, the area of steel section is

Get the value of

Calculate the compressive force in concrete as following:

Where, b is the width of the concrete slab, t is the thickness of the concrete beam, and

The effective flange width is as follows:

Substitute the values in the above equation, we get

Therefore, the compressive force is as follows:

Therefore, the plastic neutral axis lies in the slab.

Calculate the tensile force (T) and compressive force (C) and the position of plastic neutral axis from the top of concrete slab by following formula:

Compute the flexural strength as:

Where,

neutral axis.

Compute the value of Y as following below:

Substitute the values, we get

Calculate the factored uniformly distributed load before curing is completed by following formula:

Where,

Substitute the values, we get

To determine

**(b)**

Whether the beam

To determine

**(c)**

Number of studs required.

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

Show all chapter solutions

Ch. 9 - A W1840 floor beam supports a 4-inch-thick...Ch. 9 - A W2157 floor beam supports a 5-inch-thick...Ch. 9 - A W2455 floor beam supports a 41 2 -inch-thick...Ch. 9 - Compute the nominal flexural strength of the...Ch. 9 - Compute the nominal flexural strength of the...Ch. 9 - Compute the nominal flexural strength of the...Ch. 9 - A W1422 acts compositely with a 4-inch-thick floor...Ch. 9 - A composite floor system consists of W1897 beams...Ch. 9 - A fully composite floor system consists of W1216...Ch. 9 - A fully composite floor system consists of W1650...

Ch. 9 - A fully composite floor system consists of...Ch. 9 - A fully composite floor system consists of...Ch. 9 - How many 3 4 inch3inch stud anchors are required...Ch. 9 - How many 7 8 inch31 2 inch stud anchors are...Ch. 9 - Design stud anchors for the beam in Problem 9.3-1....Ch. 9 - A fully composite floor system consists of...Ch. 9 - A floor system has the following characteristics: ...Ch. 9 - A floor system has the following characteristics: ...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - A fully composite floor system consists of W1835...Ch. 9 - A composite floor system uses formed steel deck of...Ch. 9 - Determine the nominal strength of the following...Ch. 9 - A composite floor system consists of W1840 steel...Ch. 9 - Use the composite beam tables to solve Problem...Ch. 9 - A simply supported, uniformly loaded composite...Ch. 9 - A beam must be designed to the following...Ch. 9 - Same as Problem 9.8-3, but use ASD.Ch. 9 - The beams in a composite floor system support a...Ch. 9 - Same as Problem 9.8-5, but use ASD.Ch. 9 - Use the composite beam tables to solve Problem...Ch. 9 - A composite floor system consists of steel beams...Ch. 9 - Use the composite beam tables and select a W-shape...Ch. 9 - Use the composite beam tables and select a W-shape...Ch. 9 - An HSS973 8 filled with concrete is used as a...Ch. 9 - The composite compression member shown in Figure...

Find more solutions based on key concepts

Show solutions Repeat Problem 2.8 using the following data. 2.8 The following are the results of a sieve and hydrometer analys...

Principles of Geotechnical Engineering (MindTap Course List)

The cantilevered beam shown in the accompanying figure is used to support a load acting on a balcony. The defle...

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

What density of fluids is needed to separate glass, aluminum, and plastics into the three individual components...

Solid Waste Engineering

The sieve analysis data for a granular' soil are given below. % passing 19 mm sieve = 100 % passing 4.75 mm sie...

Fundamentals of Geotechnical Engineering (MindTap Course List)

What is the purpose of IS planning? What are the benefits of performing IS planning?

Fundamentals of Information Systems

The BOYD movement has serious implications for IT professionals, such as managing applications on user devices ...

Systems Analysis and Design (Shelly Cashman Series) (MindTap Course List)

During a storm, wind exerts a pressure of 110N/m2, normal to the surface of the stop sign. Determine the result...

International Edition---engineering Mechanics: Statics, 4th Edition

Identify three specific smartphone applications that would be of significant help to you in your current or nex...

Principles of Information Systems (MindTap Course List)

Using the schematic diagram in Figure 2023, determine the number of control wires needed to control the three-p...

Electric Motor Control

If the questions were broken down into two categories, they would be cost versus maintaining high security whil...

Principles of Information Security (MindTap Course List)

Case 1-73 Research and Analysis Using the Annual Report Obtain Apple Inc.s 2016 annual report either through th...

Cornerstones of Financial Accounting

Where might you obtain information about on-the-job safety and safety training? __________ ____________________...

EBK ELECTRICAL WIRING RESIDENTIAL

Which sensor is used for misfire monitoring on OBD II systems? Oxygen sensor Camshaft position sensor Crankshaf...

Automotive Technology: A Systems Approach (MindTap Course List)

How do you display letters in uppercase in Oracle, Access, and SQL Server? How do you display letters in lowerc...

A Guide to SQL

What is a technical security control?

Management Of Information Security

What does parallel mean?

Precision Machining Technology (MindTap Course List)

Write a query to display the first name, last name, street, city, state, and zip code of any customer who purch...

Database Systems: Design, Implementation, & Management

Give some examples of database connectivity options and what they are used for.

Database Systems: Design, Implementation, & Management

Determine the strain energy per unit volume (units of psi) and the strain energy per unit weight (units of in )...

Mechanics of Materials (MindTap Course List)

Do research on Edward Snowden the U.S. computer professional, former Central Intelligence Agency employee, and ...

Fundamentals of Information Systems

A car weighs 3000 lbm and is travelling 60 mph when it has to make an emergency stop. The car comes to a stop 5...

Fundamentals of Chemical Engineering Thermodynamics (MindTap Course List)

Determine the reactions at the supports for the structures shown. FIG.P3.16

Structural Analysis

Data type a. procedures that keep data current b. item that contains data, as well as the actions that read or ...

Enhanced Discovering Computers 2017 (Shelly Cashman Series) (MindTap Course List)

True or False? The maximum allowable voltage loss due to voltage drops across a single connector in a 12-volt c...

Automotive Technology

What are the four phases in the social engineering attack cycle?

Network+ Guide to Networks (MindTap Course List)

If your motherboard supports ECC DDR3 memory, can you substitute non-ECC DDR3 memory?

A+ Guide to Hardware (Standalone Book) (MindTap Course List)

A splice in a welding cable should never be any closer than _______to the electrode holder.

Welding: Principles and Applications (MindTap Course List)