GROUP 6 Flashcards
1
Q
This geophysical method of soil exploration is used to identify the location of rock profiles or dense strata underlying softer materials.
A
Seismic Method
2
Q
These are constructed by placing dense/open graded aggregate layers in between two asphalt layers
A
Contained Rock Asphalt Mat (CRAM)
3
Q
This is a type of bridge deck wherein rails are anchored directly to timber
track ties supported in the ballast section
A
Ballasted Bridge
4
Q
What is the grade compensation on curves on MG tracks?
A
0.03% per degree of curve (or 52.5/R)
5
Q
This layer of a flexible pavement provides the bulk of the asphalt concrete structure. Its chief purpose is to distribute load to the base course.
A
Binder Course