5 Questions
Which type of investigation involves detailed investigation of the soil surface on which the pavement is constructed?
Subgrade Investigation
What should be considered when making deep cuts, large embankments across marshland, or if weak layers are present in the subsurface?
The existing topography and the nature of subsoil
What should be done to classify the soil in the subgrade?
Take small samples at each auger hole and conduct 'in the field' soils classification
What should be done to investigate the subgrade on existing roads?
Make auger borings and test pits along the centerline
Which standards should be followed for in-situ density testing?
AASHTO T 191
This quiz will test your knowledge of design guidelines, criteria, and standards related to highway design, specifically focusing on topics such as deep cuts, large embankments across marshland, and weak subsurface layers. Test your understanding of topography, subsoil nature, and layer characteristics in this quiz.
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