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Measuring Thickness Of Concret - Paper

Measuring Thickness Of Concret

e
e 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 ...

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needs to be made in order to make
a measurement at the center of the upper end of the specimen
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 be calibrated with suitable gages so
that errors caused by mechanical imperfections in the
apparatus are known. (ASTM, C 174M-97, 1)
The measuring apparatus is not the only thing that needs to
meet certain requirements. The specimen needs to be drilled with
the axis normal to the surface of the structure, and the ends
should be free from all conditions not typical of the surface
of ...

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Measuring Thickness Of Concret. (2004, May 15). Retrieved April 19, 2024, from http://www.essayworld.com/essays/Measuring-Thickness-Of-Concret/7878

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PAPER DETAILS

Added: 5/15/2004 09:57:50 PM
Category: Miscellaneous
Type: Free Paper
Words: 673
Pages: 3

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