Lecture, two hours; laboratory, six hours; outside study, four hours. Requisite or corequisite: course 108. Lectures and laboratory experiments in various structural mechanics testing of metals (steel, aluminum, brass), high-strength plastics, and concrete (cylinders, beams). Direct tension. Direct compression. Ultrasonic nondestructive evaluation. Elastic buckling of columns. Fracture mechanics testing and fracture toughness. Splitting tension and flexural tension. Elastic, plastic, and fracture behavior. ASTM and RILEM. Cyclic loading. Microstructures of concrete. Size effects. Letter grading.