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Q. Explain Condition Rating Number?
1. A Condition which warrants rebuilding / re-habilitation immediately.
2. A Condition which requires rebuilding / re-habilitation on program basis.
3. A Condition which requires major / special repairs.
4. A Condition which requires routine maintenance.
5. Sound Condition.
6. Not applicable.
7. Not inspected.
Over all rating number will be lowest CRN given to a Bridge except 0.
Numerical code given to a bridge helps in identifying the progressive deterioration in the bridge.
NRS is convenient for storage of the date in the computer.
NRS is not in any way linked to the load carrying capacity of the bridge.
Q. What is Pratt truss? Pratt truss is characterized by having its diagonal members (except the end diagonals) slanted down towards the middle of bridge span. Under such struct
A cylindrical concrete tank, 30 m external diameter, is to be prestressed circumferentially by means of high-strength steel wire (E, = 2 x 10 5 N/mm 2 ) jacked at 4 points, 9
Determine about the long-term deflections For long-term deflections, the total long-term deflection due to the prestressing force, dead load and any sustained imposed load may
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Loss of prestress due to elastic shortening At the transfer of prestress, tensile stresses of tendons are transferred to concretc in the form of compressive stresses. Due to t
Q. Explain Hot weather Patrolling ? Hot weather Patrolling is done for LWR and CWR tracks when the rail temperature reaches td + 20 0 C and above and td + 14 0 C for Central
parts of Bridges & culverts
problems
design acolumn spice for column sections SC 250 and SC 220 carrying a load of 500 KN
Stabilised Pavement Layers: Soil stabilisation is the process of treating a soil in such a manner as to alter and improve its properties for use as a pavement layer on sub-gr
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