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Measuring Thickness Of Concret
Part 1 of Paper
.... 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 concr.... Part 2 of Paper
....
and at eight additional points spaced at equal intervals
along the circumference of a circle. The device that makes
contact with the end surface of the specimen needs to be
rounded to a radius of 3 mm. Finally the instrument for
measuring needs to be stable and sufficiently rigid to
maintain its shape and alignment without a distortion or
deflection of more than 0.25 mm during all normal measuring
operations. Before any measurements are made, though, the
apparatus needs to b.... |
| Number of words: 673 - Approximate pages: 3 |
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