CEE 445: Steel Structures I

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CEE 445 - Steel Structures I

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CIVENGR 445 Steel Structures I, Fall09 (1) Sections: 001

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Catalog Description

445 Steel Structures I. I or II; 3cr. Behavioral principles and design of structural steel; tension, compression, and flexural members and connections; background of specification requirements; members under axial compression and bending; welded and high-strength bolted connections; plastic strength and continuous beam design; continuous construction. P:Civ Engr 340 & 341. Pincheira.

Course Prerequisite(s)

CEE 340

Prerequisite knowledge and/or skills

Basic concepts of mechanics of materials (calculation of stresses in beams and axially loaded members)
Basic structural analysis, specifically the student should be able to compute bending moment and shear force diagrams, and deflections of beams and simple frames statically indeterminate to the first degree.

Textbook(s) and/or other required material

American Institute of Steel Construction (AISC), Manual of Steel Construction, Load and Resistance Factor Design (LRFD),Third Edition, 2001.(Required)
Salmon, C.G. and Johnson, J.E., Steel Structures, Design and Behavior, Emphasizing Load and Resistance Factor Design, Harper Collins, Fourth Edition, 1996. (Recommended)
Additional reading material from journal articles is provided in class.

Course objectives

To provide a basic understanding of the mechanical properties and types of steels used in civil structures, and to develop technical competence in the design of tension and compression members, beams, and simple bolted and welded connections.

Topics covered

Introduction:Review of structural design process; loads on structures, codes, specifications and standards. Philosophies of design; Load and Resistance Factor Design (LRFD); Allowable Stress Design (ASD);Properties and types of structural steel;Residual stresses.
Beams: Elastic and inelastic behavior (plastic moment);Local buckling;Lateral torsional buckling;Design of laterally supported and laterally unsupported beams;Design for Shear; AISC-LRFD design criteria
Compression Members:Failure mechanisms;Elastic and inelastic behavior;Column curve;Effective length factors;AISC-LRFD design criteria
Tension Members: Failure mechanisms; Effective net areas; block shear;AISC-LRFD design criteria
Essentials of Bolted Connections:Types of Connections;Mechanical and physical properties of bolts;Installation techniques;Failure mechanisms;Design of bolted connections
Essentials of Welded Connections:Welding techniques;Types of welds; Welding symbols;Strength of welds;Design of simple welded connections

Class/laboratory schedule

Two 1:15 hour sessions per week

Contribution of course to meeting the professional component

This course contributes primarily to the students' knowledge of engineering topics, and does provide design experience.

The following statement indicates which of the following considerations are included in this course: economic, environmental, ethical, political, societal, health and safety, manufacturability, sustainability.

This course includes some economic, ethical, and constructability considerations commonly encountered in practice.

Relationship of course to undergraduate degree program objectives and outcomes

This course primarily serves students in the department. The information below describes how the course contributes to the undergraduate program objectives.

Related Program Objectives:

The course provides an education in the fundamentals of steel design, develops teamwork and communication skills, and provides experience in realistic design practice for students engaged primarily in the areas of structural and construction engineering.

Related Educational Outcomes:

Outcome 1,6: Students are required to work in teams to design a steel structural system (usually a steel truss) as part of a term project. To the extent that it is possible, they need to evaluate feasible solutions for the project. An economical analysis is not required, but they must calculate the total cost of their selected design.

Outcome 2: Design problems of various levels of difficulty (discussed in class and assigned in homework and exams) prepare the student to meet this educational outcome. Throughout the course the students need to apply their skills in mathematics, physics, material properties and use computer tools to solve design and analysis problems.

Outcome 5: The students must submit a written report of their solution to a well defined analysis and design problem as part of the term project.

Outcome 7: The failure modes of the material and steel members (instability, yielding and fracture) are discussed in detail throughout the course.

Assessment of student progress toward course objectives

Homework assignments are used to measure the students' learning of the fundamental concepts, but they are also intended to develop their ability to confront new problems (20 percent).
Two evening exams (25 percent each),plus a final (30 percent). Exams consist of two parts. The first part contains essay type of questions and is intended to measure the students' understanding of fundamental concepts. The second part assesses problem solving kills.

Person(s) who prepared this description

José A. Pincheira

Copyright 2007 The Board of Regents of the University of Wisconsin System
Date last modified: 02-Aug-2007
Content by: cee@engr.wisc.edu
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