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11. In the construction of a two-span bridge (span length = L) by using span-by-span construction, why is a length of about 1.25L bridge segment is constructed in the first phase of construction?
The space between two parallel horizontal plates kept 6 mm apart is filled with
crude oil of dynamic viscosity 2.5 kg/ms. If the lower plate is stationary and upper plate
is pulled with a velocity of 1.25 m/s. determine the shear stress on the lower plate.
b) A cantilever beam of cross-section 90 mm. width 120 mm deep carries a UDL of 12 KN/m. over the entire length and a concentrated load of 15 KN at the right end. Find the bending stress in the beam, when the length of beam is 10 m.
12. What are the advantages of piers constructed monolithically with the bridge deck over usage of bearings?
9. How to determine the size of elastomeric bearings?
2. What is “preset” during installation of bridge bearings?
6. Sometimes the side of concrete bridges is observed to turn black in colour. What is the reason for this phenomenon?
19. What is the purpose of carrying out water absorption test for precast concrete pipes?
1. In soil compaction test, if a test result exceeds 100%, should engineers accept the result?
#340153 on Dec 2023