Abstract
Structures such as roof trusses will not suddenly collapse without ample warning such as significant deflection, tilting etc. if the designer manages to avoid the cause of structural failure at the material level and the structural level. This paper outlines some principles and procedures of PDCA circle and QC tools which can show some clues of structural problems in terms of material or structural performance
Highlights
Assessment of building structures can be classified as assessment of material performance or assessment of structural performance
Assessment of structural performance can be divided into two categories namely structural performance at serviceability limit state (SLS), and structural performance at Ultimate Limit State (ULS)
The investigator has to ensure or check (C) or analyse the result of the investigation work on material performance, structural performance as to whether the result or analysis is reliable in order to give advice to the client concerning the nature of the steps that the client should take to overcome the problems identified in the building structure
Summary
Assessment of building structures can be classified as assessment of material performance or assessment of structural performance. Assessment of material performance, normally involves the evaluation of mechanical and durability properties such as chloride penetration, corrosion of the materials etc. Assessment of structural performance can be divided into two categories namely structural performance at serviceability limit state (SLS), and structural performance at Ultimate Limit State (ULS). Building structures can reach the serviceability limit state due to problems such as deflection, cracks, vibration, durability and fire resistance, and the ultimate limit state due to bending, shear, compression or direct tension as well as overturning [2]
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