457.201 재료역학 및 실험 mechanics of materials and lab. 1... · 2018. 9. 13. · mechanics...
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457.201 재료역학 및 실험Mechanics of Materials and Lab.
Professor
Juhyuk Moon PhD
TT 10:00-12:00
Lecture & Lab
Teaching Assistant
Nankyoung Lee
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Architectural EngineeringCivil & Environmental Engineering
Civil & Environmental Engineering
Material Science Engineering
Mechanical EngineeringCivil Engineering
Civil & Environmental Engineering
Architecture
Structural Engineering
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
457.201 재료역학 및 실험Mechanics of Materials and Lab.
• Course objective:
• Equips students with fundamental knowledge in structural mechanics & structural materials for engineering.
• Pre-requisite to structural analysis/design modules essential for professional engineering practice.
부산 엘시티 추락사고평창올림픽 봅슬레이 경기장@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
평창올림픽 봅슬레이 경기장
Marina Bay Sands hotel, Singapore
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
(Photos of shotcrete from Samsung C&T)
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Syllabus change
• Evaluation• Attendance: 10%
• HW: 30% • Lab report (1~3) – n.d.
• Problem solving (5-10 questions in each chapter)
• Midterm: 20% (10th May)
• Final: 40% (14th June)
• Kahoot extra point??
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Syllabus change
• F grade• No show in Exams
• More than 25% absence
• No submission of more than 20% of homework
• No submission of lab reports
• Lab #1 – Tension test (confirmed but when?)
• Lab #2 – Shear and bending moment of beam (?)
• Lab #3 – Deflection of beam (?)
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Kahoot.it – Paper folding result
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
So how can we “quantify” flexibility?
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Chapter 1. Tension, Compression, and Shear • Materials
• Concrete, Steel, Polymer etc.
• Stress-strain
• Hooke’s law
• Poisson’s ratio
• Shear
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Materials
• Steel
(Mamlouk & Zaniewski 1999)
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Steel
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Steel
• In Compression?
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Steel
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Concrete
• Stress-strain diagram
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Concrete
MITNorthwestern UC Berkeley
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Ultra-High Performance Concrete
UHPC structure, Calgary Canada
UHPC bridge, Incheon
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Determine the direction of support
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
Determine the direction of column section
Case A Case B
@Copyright Prof. Juhyuk Moon (문주혁), CEE, SNU
What is the difference?
Helix bridge, Singapore Golden gate bridge, CA USA