Contour Interval

contour interval

A contour interval is a vertical distance or a difference in elevation between contour lines in a topographic map, index contour lines are bold or thick lines that appear on every fifth contour line …

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Chain Surveying

Chain surveying

Chain surveying is the branch of surveying in which linear measurements are made in the field, usually suitable for the survey of small areas with simple details and an area that is fairly flat, …

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Workability of Concrete

workability of concrete

Workability of concrete is a property of mixing raw or fresh concrete which means ease of placement and workable concrete means concrete that can be easily laid and compacted without any segregation desired workability …

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Well foundation

Well foundation

Well foundations are a type of deep foundation that is generally provided below the water level for bridges; caissons or wells have been used for foundations of bridges and other structures since Roman and …

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