ENCE301
Design of Timber and Masonry Structures
Syllabus
- Structural Timbers (2 hours)
- Introduction to timber structures
- Characteristics and classification of structural timbers
- Factors affecting the strength of structural timbers
- Grade of structural timbers and permissible stresses
- Cross-laminated timber, glued-laminated timber, nail-laminated timber, and dowel-laminated timber
- Joints in Timber Structures (4 hours)
- Types of mechanical fasteners: Bolts, nails, screws
- Behavior and design of bolted and nailed joints
- Joint (Connection) detailing
- Structural Elements of Timber Structures (8 hours)
- Types of timber columns and columns bases
- Design of axially loaded columns
- Design of column subjected to combined bending and direct stresses
- Types of timber beams
- Design of flexural members (Beams and flitched beams)
- Masonry Structures (4 hours)
- Introduction, history, and use of masonry structures
- Characteristics of brick, stone, concrete block, hollow block, and compressed earth block
- Stone masonry structures: Types and characteristics
- Brick masonry structures: Types (English, Flemish, and rat-trap bonds) and characteristics
- Reinforced and un-reinforced masonry
- Confined masonry
- Design of Masonry Walls for Gravity Loads (8 hours)
- Codal provisions
- Design of solid walls under gravity loads
- Design of walls with openings
- Design of walls subjected to eccentric loads
- Design of walls acting as columns
- Masonry Structures under Lateral Loads (7 hours)
- In-plane and out-of-plane behavior of masonry structures
- Typical damage patterns in masonry structures due to lateral loads
- Ductile behavior of reinforced and unreinforced masonry structures
- Lateral force distribution for rigid and flexible diaphragms
- Design of masonry walls for wind loads
- Elements of lateral load-resisting masonry system
- Seismic Design and Strengthening of Masonry Buildings (8 hours)
- Seismic behavior of unreinforced and reinforced masonry
- Seismic design principles for masonry construction
- Seismic design of masonry walls: Axial load and bending
- Codal provisions for seismic design of masonry
- Seismic strengthening measures of masonry structures
- Testing of Masonry Elements (4 hours)
- Compressive strength of bricks and walls
- Diagonal shear test
- Non-destructive tests: Ultra-sonic pulse velocity test; Elastic wave tomography; Semi-destructive tests (Flat-jack test, push shear test)