civil laboratory technician training course schools In Rawalpindi Islamabad pakistan
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What is civil lab technician
Role of civil lab technician in Construction Industry
Lab Tests on
Why Tests b y laboratory technician?
To achieve certification by complying with current guidelines and building regulations
To ensure products are fit for purpose
To find out why products are failing in use or during manufacture
To develop new materials and new products through certification
To solve patent disputes or resolve legal disputes
To benchmark against competitors’ products.
Example of Steel lab test
In a tensile test of mild steel specimen, usually a round or flat bar is gradually pulled in a testing machine until it breaks. • Two points, called gauge points, are marked on the central portion. The distance between these points, before the application of the load, is called gauge length of the specimen. • The Load is applied gradually and at regular interval of loads extension is measured. • The strains corresponding to the recorded extensions are calculated by dividing the extensions by the gauge length, while the stresses are calculated by dividing the loads by the original area of cross-section of the specimen. • Stresses so arrived at is called nominal stress to distinguish it from actual stress which is obtained by dividing the load at a particular instant by the area of the cross-section at that instant