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Duke University Dr. Joseph Nadeau Department of Civil and Environmental Engineering Fall 2023 CEE 423L — Metallic Structures Syllabus (08/28/2023) Instructor : Joseph Nadeau, Ph.D., P.E. Hudson Annex 173 919-660-5216 nadeau@duke.edu TA : Philemon Kiptoo ( philemon.kiptoo@duke.edu) Course Website : Sakai, CEE.423L.001.F23 Q&A : See “Ed Discussion” tool on Sakai Course Office Hours : See “Dashboard” page on Sakai Lecture : TuTh 10:05–11:20am Laboratory : Section 01L: Tuesdays 3:05-4:20pm, Hudson Hall 037 or Teer 113 Section 02L: Wednesdays, 3:05-4:20pm, Hudson Hall 037 or Teer 113 Section 03L: Thursdays 3:05-4:20pm, Hudson Hall 037 or Teer 113 Reference : AISC, Manual of Steel Construction, 15th/16th Edition , (AISC, 2017/2023) Opt. Textbooks: Geschwindner, Liu, Carter, Unified Design of Steel Structures, 4th Ed. (Providence, 2023) Segui, Steel Design, 6th Ed , (Cengage Learning, 2017) Salmon, Johnson, and Malhas, Steel Structures: Design and Behavior, 5th Ed (Pearson Prentice-Hall, 2009) Grading : 15% Homework 15% Laboratory reports 20% Term Project 25% Midterm 35% Final Exam 10% weighting reduction for midterm or final exam (lowest score) Final Exam : Saturday, December 16, 2023, 2-5pm, location TBA 1

Introductions My name is Joseph Nadeau (jo-sef NAY-doh) and I enjoy teaching this course every year. I am a registered, professional engineer specializing in structural engineering. I also teach courses in reinforced concrete design and structural steel design. I am married and we have a 7 year old daughter, Riley. We typically have a dog, or two, but currently we do not have any. I haven’t ridden in a few years but I enjoy road biking and have completed several centuries (100 mile rides). I wish I had more time for art and photography. For six years I was a faculty-in-residence in Few Quad. To assist me in getting to know you I would appreciate it if you would upload a photo of yourself and provide a phonetic spelling and/or recording of you speaking your name on Sakai. These features are available in your Profile on your Sakai “Home” site. If you have already done so, thank you. I have done this myself and you should be able to see this information on the course’s Sakai Roster page. I encourage you to attend office hours so we can expand on these introductions and improve your grasp of the course material. Course Grade The relative weight distribution between the graded components of the course are specified above. Grades on the exams reflect your comprehension of the material from the course. Grades on homeworks and lab reports reflect not only your comprehension but also your ability to complete work on time. Your grade is based on your demonstrated comprehension of the course material and your ability to complete assignments on time . Grading is done on an absolute, but adjustable scale. Anyone earning at least 93.3% = A, 90.0% = A-, 86.7% = B+, 83.3% = B, 80.0% = B-, etc. This scale may go down, but it will not go up. This means that, for example, a course average of 82.0 will result in a course grade of at least a B-, possibly higher. Homework An announcement will be posted (and email sent) when a homework assignment is assigned. Com- pleted assignments will be submitted to Gradescope as a single PDF file. Homework will generally be due by 11:59pm on a Thursday. Answers to homework must be clearly marked (e.g., boxed). Laboratory Reports Attendance at and participation in lab is a prerequisite for submitting the corresponding laboratory report. Even though experiments may be performed in groups, you, individually, are responsible for processing and analyzing the data and writing your laboratory report. An announcement will be posted (and email sent) when a lab assignment is assigned. Completed laboratory reports will be submitted to Gradescope as a single PDF file. Laboratory reports will generally be due by 11:59pm on a Thursday approximately two to two-and-a-half weeks after the lab is completed. 2

Term Project The term project typically comprises the architectural and structural design of a steel truss bridge. The project will be distributed throughout the semester via 4 or 5 phases of work submission. Midterm and Final Exam During the midterm and final exam you are permitted to use your calculator your print version of the Manual of Steel Construction (it is possible to purchase an online version of the manual, however, the online version is not permitted to be used during the midterm exam or final exam) one (1) 8.5”x11” sheet of paper with your personal, handwritten notes (both sides) Answers to exam questions must be clearly marked (e.g., boxed). Overview Description Design of tension, compression, and flexural members. Bolted and welded connections. Design by LRFD methodology. Selected laboratory work. Prerequisite: Engineering 201L. Objectives The purpose of design is to ensure that a structure fulfills its intended function, is safe, and is economical. The objective of this course is to develop competence and confidence in designing in steel. Background theory will be covered in detail. Specifically, by successfully completing CEE 423L you will be able to 1. apply extensions of mechanics from EGR 201L to non-symmetric cross-sections subjected to bending; 2. understand the relevant properties of steel and factors which effect these properties (e.g., temperature); origination and effect of residual stresses; 3. comprehend the theoretical foundations and derivations of column buckling, flexural-torsional buckling, lateral-torsional buckling; 4. appreciate torsion of non-circular cross-sections, warping torsion, and local buckling; 5. design steel structural elements (e.g., tension members, simple connections, columns, and beams) to meet strength and applicable serviceability (e.g., stiffness) requirements according to the AISC code; 6. appreciate the theoretical and practical reasons behind relevant portions of the AISC code; 7. function individually and in teams; written technical communication skills. 3

Requirements EGR 201L, Mechanics of Solids MATH 353, Ordinary and Partial Differential Equations EXCEL: Utilization of and programming in EXCEL will occur in this course. Course Policies Duke Community Standard (DCS) (https://students.duke.edu/get-assistance/community-standard/) It is my expectation that everyone will abide by the DCS. Violations of the DCS will be dealt with according to University policy. Duke University is a community dedicated to scholarship, leadership, and service and to the principles of honesty, fairness, respect, and accountability. Citizens of this community commit to reflect upon and uphold these principles in all academic and non-academic endeavors, and to protect and promote a culture of integrity. To uphold the Duke Community Standard: – I will not lie, cheat, or steal in my academic endeavors; – I will conduct myself honorably in all my endeavors; and – I will act if the Standard is compromised. While many actions are clearly violations of the DCS, you may encounter situations where the answer is not entirely clear. If you are unsure whether an action would be considered a violation of the DCS, please consult me before you do it. A guiding principle is, if you wouldn’t want anyone or everyone to know you did it, then you shouldn’t do it. Lapses in judgment tend to occur when people find themselves under time pressure to meet a deadline. Starting assignments well in advance of the deadline will greatly alleviate potential time pressures. Electronic devices: No electronic devices, except calculators, may be used during exams. Authorship: All work submitted for a grade, unless specifically authorized by the instructor to be a collaborative effort, is to be the sole work of the individual whose name appears on it (see “Assistance” below for additional details). It is not acceptable to use any form of solution (or partial-solution, or scratch work, etc.) prepared by anyone else to aid you in the preparation of your work to be submitted for a grade. This includes, but is not limited to, the solution manual (either in hardcopy or electronically), work of current students, work of previous students, solutions provided to other current or previous sections of this course, websites (e.g., Chegg.com, CourseHero.com), or online services (e.g., 24HourAnswers.com). There will be occasions when you will collect lab data as a group, nevertheless, lab data is to be analyzed and reports written individually. 4

Collaboration: I recognize that cooperative learning has the potential to enhance and enrich your learning experience, and as such I encourage you to engage with your fellow students in group discussions of concepts and problem solving approaches. While group discussions of concepts and problem solving approaches in general is acceptable, discussing, for example, “How do you get the answer for problem 1 on homework 2?” is not acceptable. You should not discuss with others any part of the sequence of steps of a particular problem that is to be submitted for a grade. Should you get stuck while solving a problem to be submitted for a grade you may ask for assistance. See “Assistance” below for details. Assistance: If, in your efforts working through your solution to a graded assignment, you encounter an obstacle that you are not able to surmount on your own then you are permitted to ask for specific assistance from those that you trust (e.g., instructor, TA, friend). The assistance you receive should be limited to assisting you in surmounting your current obstacle. Be sure that you understand and learn why the assistance works and how you would be able to employ the assistance again on your own given a similar situation. With the exception of the course textbooks and your course notes, cite all resources (individ- uals, books, webpages, etc) that assisted you in your solution to individual problems. Make the citation at the location in your solution where you received the assistance. If no assistance was received then write “Assistance: none” at the end of the problem. Late work: Work submitted late will receive the following late penalty depending on the number of days (or fraction thereof) late: – 1 day (0 + to 24 hours) late = 3% deduction – 2 days (24 + to 48 hours) late = 10% deduction – 3 days late = 25% deduction – 4 days late = 50% deduction – 5 + days late = 100% deduction The deduction is based on the total possible number of points for the assignment. The submission time of the assignment is determined by the Gradescope submission time stamp. Unless indicated otherwise, all days of the week after the deadline (M,Tu,W,Th,F,Sa,Su) count toward days late. Short-term Incapacitation (https://class-absences.trinity.duke.edu/if) : The course policy for making up a graded exercise missed due to a short-term incapacitation will be consistent with the university policy. Further details are available at the incapacitation form referenced above. Testing Center: For undergraduates registered with and approved by the Student Disability Access Office (SDAO) and/or Academic Resource Center (ARC), this class will use the Testing Center to provide testing accommodations and temporary test-taking supports. The Testing Center operates by appointment only and appointments must be made at least 7 consecutive days in advance, but schedule your appointments as far in advance as possible. Instructions on 5

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