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Q. Grouting in segmental linings in tunnels?
Grouting is typically carried out under pressure in segmental linings at the time of tunnel construction due to the below reasons:
(i) It helps in uniform transfer of ground pressure to the linings.
(ii) Grout serves to reduce the surface settlement.
(iii)Grout fills up the annulus of tunnel linings so as to it upholds the designed tunnel shapes.
(iv)The presence of grout aids in limiting groundwater seepage in the tunnels.
parabola by offset method
Q. Explain types of bearings? The bearing transfers the forces coming from the superstructure to the substructure. It also allows for necessary movements in the superstructure
SHEAR STRESS DISTRIBUTION INTO CIRCULAR SECTION DERIVATION
measurement for column
Permanent adjustment and temporary adjustment
hi
One nautical mile is described by one latitude minute of arc (there are 60 like minutes to a degree). This equals 1852 meters, and roughly (but coincidentally) 2000 yards or 6000 f
Common defects - bituminous roads: Cracks can be filled with a bitumen emulsion. Wide cracks can be filled with premix sand asphalt. If an overlay is to be laid on a cracke
Define Scour - Underwater Inspection of Bridges? Whenever a bridge crosses a waterway, even a small or intermittent one, scour is a dangerous effect that can damage bridge pier
Q. Show the Purpose of granular bedding for concrete pipes? When designing the bedding for concrete drainage pipes, granular materials are generally specified in place of soils
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