Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q. Define Hammer efficiency and coefficient of restitution?
Hammer efficiency refers to ratio of kinetic energy of hammer to the rated energy (or potential energy). Basically it is undoubtedly that certain energy losses are induced by the hammer itself prior to the actual impact on the driven piles. For example these losses may comprise the misalignment of the hammer, energy losses because of inaccurate dropping height,guiding friction etc.
Coefficient of restitution refers to a value representing the strain energy at the time of collision regained after the bodies reverting back to their original shapes. If coefficient of restitution is equal to unity, it means that collision is elastic and all energy has been returned after the impact action. Therefore this is an index showing the degree the impact action in terms of elasticity.
In mathematical forms,
Coefficient of restitution = - (v1-v2)/ (u1-u2)
Where u=initial velocity and v=final velocity after impact
plz answer guys
This is an optional team assignment. This grade will replace your lowest two homework grades. You may work in teams of 3-4 students. Design the lightest concrete cantilever beam
Define Recommendations for PTFE? (a) It can be either of the two forms given below: (i) Dimpled large sheet It may be circular or rectangular divided maximum into four pa
write a short on vector representation of force(addition and substraction )
Common defects - bituminous roads: Cracks can be filled with a bitumen emulsion. Wide cracks can be filled with premix sand asphalt. If an overlay is to be laid on a cracke
Ask question #Minimum 1Make a detailed list of all constraints and requirements to the bridge design00 words accepted#
assignment on role of civil engineer
The trigonometric levelling from the surveyor's notes is shown below. The ground elevation of T (ft) is most nearly: Solution: The elevation of point P can be found from: E
Explain economical span if bridges
if the WBM Road is constructed with 80mm , 40mm metal what will be the depreciation factor per year, how much thickness of the layer will be reduced per year due to trafic and rai
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd