Measuring Thickness of Concrete

A detailed Summary of Measuring Thickness of Concrete

Measuring Thickness of Concrete Elements Using Drilled Concrete Cores

When doing construction one of the major concerns is that the work

being done complies with the design specifications. In this ASTM

test, C 174M-97, the thickness of a concrete pavement, slab, or

structural element is determined by measuring the length of a core

drilled from a concrete structure. This allows the contractor,

as well as the owner, to see that the concrete is being poured to

meet the requirements. (ASTM, C 174M-97, 1)

In order to complete this experiment a particular tool will

be needed. It is a 3-point calipering device that will measure

the length of axial elements of the core. This apparatus must

conform to certain requirements. It needs to be designed so

that the specimens will be held with its axis in a vertical

position by three symmetrically placed studs or posts of

hardened steel bearing against the lower end. The end of the

studs that bear against the surface of the specimen need to be

the axis normal to the surface of the structure, and the ends

of the structure. Any sample that shows any defects during

rounded to a radius of not less than 6 mm and not more than

meet certain requirements. The specimen needs to be drilled with

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Approximate Pages = 3 (250 words per page double spaced)

Category: Miscellaneous

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