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Worksheets4. Foundation, Structures and Grouting Works
Total questions: 15
Worksheet time: 8mins
The basic data for designing IR foundations are
Cess levels
FBM code
Type and bearing capacity of soil
All the above
The foundation loads are calculated with
Bending Moments
Wind Pressure
All the Above
Vertical & Horizontal Load
Nominal step distance in IR
50 cm
90 cm
30 cm
70 cm
M-15 ratio of concrete mix is
1:3:9
1:3:6
1:2:4
1:2:6
Without the approval of CSD, foundation casting can be carried out.
False
True
Step distance is the linear distance from rail level to the top of the foundation.
False
True
The foundation center is measured from the track center to the face of the mast.
False
True
Test cubes are not required to be cast for proving stability.
False
True
The embedded length of a high-speed foundation is
750mm
500mm
1350mm
1000mm
Clear span of 'O' type portal is
None of the above
20.05 m – 30.45 m
9.91 m – 20.31 m
30.50 m – 36.00 m
Height of the normal structure used in the DFCC Project is
9.30 m
12.0 m
9.50 m
None of the above
Reverse deflection of the TTC structure is 60 mm.
False
True
Type of structure used in the Highspeed project is
B-Series
K-Series
Concrete Mast
Conical / Cylindrical Type Mast
The diameter of a cylindrical type foundation is
0.90 m
0.45 m
1.00 m
0.60 m
Combination of portal structure is
Upright
End Piece
Center Piece
All the above
