Principle for conducting surface regularity test, Civil Engineering

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Question

What is distinction in principle for conducting surface regularity test and sand test?


Answer

Purpose of surface regularity test is to assess riding quality of pavements and same requirement and standard is applied to together concrete and bituminous carriageway. On other hand, sand patch test is used for checking skid resistance of road pavements. Furthermore, it is related to traffic noise since intensity of noise generated from road traffic is related to texture depth of carriageway.


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