Course Description:

Introduction of micro structures of materials; basic mechanical properties; stress & strain behavior; strength and failure; basic material tests; measurement of strain; introduction to construction materials; compositions of concrete and their functions; proportion mix design of concrete; properties of fresh and hardened concrete; class projects and technical report.

Prerequisites:

CE225 Mechanics of Deformable Bodies (3 units)

Textbook:

Class and lab will be mainly based on lecture notes (available, soon, over the web). There are no required texts. The followings are relevant reference texts.

• "The Science and Technology of Civil Engineering Materials," J. F. Young; S. Mindess; R.J. Gray; and A. Bentur, Prentice Hall, 1998.
• "The Testing of Engineering Materials," H.E. Davis, G.E. Troxell and G.F.W. Hauck, McGraw-Hill Book Company.
• "Design and Control of Concrete Mixtures," S.H. Kosmatka and W.C. Panarese, Portland Cement Association.
• "Mechanical Behavior of Materials," Engineering Methods for Deformation, Fracture, and Fatigue, Norman E. Dowling.
• "Experimental Stress Analysis," The Third Edition, James W. Dally and William F. Riley.

Topics:

1. Atomic bonding and micro structures
2. Stress & Strain behavior of isotropic materials
3. Basic mechanical properties (Young's modulus, Poisson's ratio, shear and bulk modules, and strength)
4. Basic mechanic tests (specimens, methods and types)
5. Electrical resistance strain gauge
6. Cement, water, aggregates and their functions in concrete
7. Mix design of concrete
8. Basic properties of fresh and hardened concrete
9. Basic tests used in define properties of concrete
10. Class project, project report and presentation

Course Objectives:

1. To study fundamental mechanical properties and behavior of engineering materials
   
   Outcomes: The student will be able to:
   1. Understand categories of engineering materials, fundamentals of atomic bonding, micro structures, crystalline and defects.
   2. Understand isotropic and anisotropic materials, mechanical properties of isotropic materials.
   3. Determine strength and failure of metals in combined stress conditions, using Maximum shear stress criteria (Tresca's criteria) and Maximum distortion energy criteria (Von Mise's criteria).
   
   
   
2. To study basic mechanical tests
   
   Outcomes: The student will be able to :
   1. Understand basic means to apply force, and types of basic mechanical testing machines.
   2. Conduct basic tensile tests to experimentally define basic mechanical properties, such as modulus of elasticity, Poisson's ratio, strength, etc., for metals.
   3. Conduct other types of basic tests and define associated properties, such as, compression, bending, hardness, impact, etc.
   4. Understand concepts and techniques used in deformation measurement.
   5. Use electrical resistance strain gauges to measure strains.
   
   
   
3. To study construction materials
   
   Outcomes: Student will be able to:
   1. Understand composites and their functions in concrete.
   2. Design proportion mix for normal strength concrete.
   3. Conduct basic tests to define properties of concrete and its composites.
   
   
   
4. To conduct a class project
   
   Outcomes: The student will be able to:
   1. Work in a team on an open-end project.
   2. Define objectives, design experimental program, prepare and conduct tests, analyze data and discuss results.
   3. Write technical report or project paper.
   4. Make technical presentation.
   
   
   

Class Schedule:

2 lecture periods, TTH 80 minuets each, 2 midterms

Laboratory projects:

lab sessions, 2.5 hours per week

Relation of Course to Program Objectives:

The course provides the students with basic knowledge of mechanical behavior of materials used in civil engineering, and basic experimental methods as companion mean of analysis applied in solving real world structural problems. It also provides students with skills to identify, set up, analyze and solve engineering problems. It contributes to the following program outcomes: a, d, e, g, h, i, j, k, l and m.

Prepared by:

Yan Xiao