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Building maintenance is the work done to keep a structure in its original state and maintain its serviceability and stability. As structures age, they are subject to environmental stressors, chemical attacks, and structural fatigue, necessitating a systematic approach to repair and rehabilitation.

Identifying whether they are structural (threatening stability) or non-structural (aesthetic/surface level). 22602 rar

Noting loss of concrete cover and exposure of reinforcement bars. 3. Causes of Building Defects Building maintenance is the work done to keep

Expansion and contraction due to temperature variations. they are subject to environmental stressors

Inadequate concrete cover or poor water-cement ratios. 4. Testing Methods for Assessment Assessments are typically divided into two categories:

Methods like the Rebound Hammer Test (for surface hardness) and Ultrasonic Pulse Velocity (UPV) (for concrete homogeneity) allow evaluation without damaging the structure.