Aims: Development of matrix methods of analysis and computer techniques for structural analysis. To advance the student's knowledge and ability in the plastic analysis of structures, including multibay frames and the yield line analysis of slabs.
Learning Outcomes:
On completion of this unit, students will be able to analyse complex structural systems, and design steel and concrete structures using plasticity-based approaches.
Skills:
An ability to analyse elastic structures using advanced techniques, including finite element analysis. An ability to design and analyse ductile steel and concrete structures using plasticity theory.
Content:
Revision of virtual work, flexibility analysis, and slope deflection method. Matrix Methods: stiffness analysis of pin-jointed space trusses and rigidly jointed frames. Organisation of stiffness method for computation.Introduction to finite element method. Plane stress, plane strain and three dimensional elements. Application of Computer Packages to analysis of frame and slab structures. Plastic analysis of frames: Upper and lower bound solutions. Instantaneous centres, combined mechanisms for multibay and multistorey frames. Reinforced concrete: beams - T & L beams, doubly reinforced beams. Slabs - two way span slabs, flat slabs, strip theory, yield-line theory, membrane action, bridge assessment. Composite steel-concrete and concrete-concrete sections. Columns - combined compression and bending, compression and tension control, derivation of design graphs, moment increase due to slenderness. Video laboratory tutorial on concrete beams, columns and slabs. Basic concepts of prestressed concrete.
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