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Define Rotation - Actions in POT Bearings?
POT bearings are associated with large rotations which are accommodated by the deformation of elastomeric pad. Large cyclic rotations can be very damaging to POT bearings due to abrasion and wear of the sealing rings and elastomeric pad. In fact, during rotation, the elastomeric pad compresses on one side and expands on the other, so the elastomer is in contact with the POT wall and slips against it. This causes elastomer abrasion and sometimes contributes to elastomer leakage. To mitigate this problem, silicon grease is generally used.
California Bearing Ratio (CBR): The most widely used test for determining the supporting power of a soil for designing the thickness of pavements is the California Bearing Ra
Q. Protection of line in case of ‘STOP DEAD RESTRICTION' for carrying out a work of short duration on a single line section on a B.G. route Ans. Protection in block sectio
Resultant Force on a Given Area of an Inclined Plane The resultant force is calculated from the average pressure: R = (AVERAGE P)(A)
metal sizes required and adopted question #Minimum 100 words accepted#
Define Role of Diver in Underwater Inspection of Bridge? Diver's role is primarily to point out a potential scour problem. The diver can use one of the following equipment to m
A retaining wall 3.6 m high supports a dry cohesion less backfill with a plane ground surface sloping upwards at a surcharge angle of 20° from the top of the wall. The back of the
Compute the safe bearing capacity of a square footing 1.5 m × 1.5 m, located at a depth of 1 m below the ground level in a soil of average density 20 kN/m 3 . = 20°, N c = 17.7,
Question What is main difference between direct circulation drilling and reverse circulation drilling? Answer In straight circulation drilling and reverse circulati
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Loss of prestress due to relaxation of steel Relaxation of steel represents the time dependent reduction of stresses in steel even when the strain remains constant. In a way i
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