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Question
What is major difference between "hammer efficiency" and "coefficient of restitution" at what time using Haley's formula in pile driving?
Answer
Hammer effectiveness refers to ratio of kinetic energy of hammer to rate energy. In spirit, there are undoubtedly sure energy losses made by hammer itself prior to real impact on driven pile. For example, these losses can include misalignment of hammer, energy losses because of guiding friction, mistaken dropping height etc
Coefficient of compensation refers to a price indicating strain energy through collision regained after bodies reverted back to their unique shapes. If coefficient of restitution is like to unity, it means that collision is flexible and all energy has been returned after impact action. Thus, this is an index showing degree impact action in terms of flexibility.
Define Hydraulic Grade Line (HGL) Graph of the sum of the pressure and potential energies at a position along a pipe or open channel. The difference between the EGL and the HGL
When I use allowable stress design, how can I get depth of N.A and resultant force of Compression at triangle section? It''s Reinforced Concrete...
some information
kankar lime
Explain the Critical Flow Critical flow occurs where the flow depth is at the critical depth. One location in an open channel is where the flow is approaching a free outfall.
Most of the existing rubber dams are of air-filled types. Water-filled rubber dams aren't preferred for the below reasons: (i) By giving same sheet length and dam height, tensi
collect the field deta manualy and drw the drawing as per scale
Q.7.- Write the important items to be inspected during level Crossing inspection. How do you take census of traffic at level crossing. Ans.-Important items to be inspected duri
Define the term - Cracking Load and Proof Stress Cracking Load The load on the structural member at the time of the initiation of first visible crack in concrete is know
Define Underwater inspection methods - inspection of bridge? Method for underwater inspection of a bridge depends on type and extent of damage expected, inspection intensity le
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