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Q. Explain about Bentonite slurry and polymeric slurry?
For the construction of diaphragm walls, bentonite slurry is generally used to form a filter cake on walls of trenches to support earth pressure. Usage of bentonite solely is based on its thixotrophic gel viscosity to provide support.
However the cost of polymer is normally more expensive than bentonite, usage of polymer is increasing since polymer is normally infinitely re-usable and very small amount of polymer is generally essential for construction works. Disposal cost of bentonite is quite high whereas the disposal of polymer may be readily conducted by adding agglomerator.
1. Draw the projections of a line AB that is 50 mm long and is parallel to both the HP and the VP. The line is 40 mm above the HP and 25 mm in front of the VP. 2. A line AB, 50 mm
What is 'contact pressure'? How does it depend on the type of structure and type of soil? What is 'active zone' in soil? Define it with reference to the pressure bulb concept.
DOES A GAUGE BOX OF THE SIZE LIKE 50,40,30 MM EXISTS?
An earthwork contract was awarded to excavate and backfill the foundation of a proposed 50-ft by 50-ft office building. The existing grade elevation is 437.5-ft while the sub-base
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Q. Briefly explain about Artificial cut offs? Alignment of a cut off is chosen so that approach and exit ends remain more or less tangential to the river course. A cut off can
How is corrosion perverted...?
Behaviour of struts in compression compared with the behaviour of struts in tension? Also do you know a credible source that I can reference?
Define Divers in a team for Underwater inspection of Bridge? One team of divers should have minimum three members. This is a requirement of safe working. The idea is while a mi
sample problem
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