Structures 1

=STRUCTURES I=

MODULE UNIT DESCRIPTION
This module involves the analysis of forces and design of structural elements encountered in construction.

PURPOSE
The module unit is designed to equip the trainee with knowledge skills and attitudes in the analysis of forces of structural elements.

SPECIAL REQUIREMENTS
The trainee should have a KCSE with knowledge in Mathematics and Physics.

GENERAL OBJECTIVES
At the end of the module unit, the trainee should be able to:
 * 1) Understand the behavior of structural materials
 * 2) Understand principles of analyzing forces in determinate and in-determinate
 * 3) Appreciate need for analysis in the design of building structural members
 * 4) Generate structural drawings from the structural designs

Specific Objectives
By the end of the sub-module unit, the trainee should be able to:
 * 1) define terms used in properties of materials
 * 2) calculation of stress and strain
 * 3) state Hooke’s law
 * 4) describe the stress – strain relationship

Content
-plasticity -elasticity -stress -modulus of elasticity -bulk modulus -yield modulus -stress -strain
 * Definitions
 * Calculations
 * Stating Hooke’s law
 * Describing the stress-strain relationship
 * Sketching the stress-strain graph
 * Modulus of rigidity
 * Working stress and ultimate stress
 * Factor of safety

Specific Objectives
By the end of the sub-module unit, the trainee should be able to:
 * 1) Set the apparatus for stress, strain experiment
 * 2) Carry our experiment for stress and strain
 * 3) Carry out tensile test for ferrous metals
 * 4) Plot the stress strain graph
 * 5) Calculate stress and strain