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Review. CIVL3310 STRUCTURAL ANALYSIS. Professor CC Chang. What is Structural Analysis?. Planning. Preliminary design. Load estimation. Structural analysis. Revised design. Safety/serviceability. No. Yes. Construction. What is Structural Analysis?. Real structure. Factors:

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## CIVL3310 STRUCTURAL ANALYSIS

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**Review**CIVL3310 STRUCTURAL ANALYSIS Professor CC Chang**What is Structural Analysis?**Planning Preliminary design Load estimation Structural analysis Revised design Safety/serviceability No Yes Construction**What is Structural Analysis?**Real structure Factors: Load, Temperature, etc. Structure Performance Deformation, Stress, etc. Model**Intended Learning Outcomes**• Ability to analyze the performance of structural systems under loads or other external effect • Ability to comprehend and present the structural analysis results which can support the design of structural components and systems • Ability to conduct laboratory tests, validate test resultsusing various methods, and understand the discrepancies between the test and the analysis results**What Have Been Covered?**• Classification of structural forms, modeling of structural systems and structural elements and determination of loads • Axial force, shear force and bending moment • Analysis of statistically determinate structures • Influence lines and their applications • Deflection • Analysis of statistically indeterminate structures • Approximate analysis of building frames • Force method • Energy method • Slope-deflection method • Moment-distribution method**Influence Lines and Applications**• Definition • Müller-Breslau’s Principle • Influence Lines and Distributed Loads • Influence Lines + Design Load**Calculation of Deflections for Determinate Structures**• Direct integration • Moment-area methods • Conjugate-beam method • Energy methods**Direct Integration**+ disp Bernoulli-Euler beam apply boundary conditions**Moment-Area Methods**1st moment-area theorem 2nd moment-area theorem +**Conjugate-Beam Method**Actual beam Conjugate beam Mathematical equivalence**Energy Methods**• Virtual Work Principle Real member deformation Real deformation Virtual external load Virtual internal loads Trusses = Beams = Frames =**Work-Energy Methods**• Castigliano’s Theorem • Betti’s Law Trusses Beams Frames**Approximate Analysis of Rectangular Building Frames**• Vertical Loads • Horizontal Load • Portal - Cantilever 0.1 L s1 s1 2s1 s1 s1 2s1 CL**Force Methods**• Compatibility • Choose redundant forces • Calculate deflection case by case • Superposition By DB=0 =**P1**Pm P2 Fn F2 F1 Energy Principle • Least Work & Castigliano’s principles**D**L Slope-Deflection Method • Slope-Deflection Equations A B MBA B’ A’ MAB**Moment-Distribution Method**• Distribution Factors and Carry-Over • FEM • Procedure**How to Become a Good Structural Engineer?**CIVL2110 Statics and Dynamics ODE, FT, NM CIVL2120 Mechanics of Materials CIVL3310 Structural Analysis CIVL3320 Concrete Design CIVL4370 Computer Methods CIVL4320 Steel Design CIVL4330 Structural Dynamics ? CIVL5310 Tall Building Design CIVL5350 Bridge Engineering CIVL5370 Wind Effects**Comments are welcome!**Do you like or hate my teaching? Ending…Hope I don’t see you again in this course!

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