Problem 58832. Find the Peak Particle Velocity on a ETL structure

PPV is a vibration parameter that can connect stress to a structure, it is measured in mm/s or mm/s-1. The higher the PPV the more stress to the structure. Common practices in power industries are to limit ground motion by specifying the maximum peak particle velocity (PPV). Electrical Tranmission Line (ETL) Structure's maximum PPV without having any damage to the structure is around 50.8mm/s.
There are many different equations for PPV, but all generally have the same variables. 2 site constants and 2 unknowns.
Use this equation to calculate PPV with k & e being the default site constants:
PPV = k(D/sqrt(Q) )^(-e)
k = 185
e = 1.2
D = distance from blast to structure (m)
Q = Charge of mass per delay (kg)

Solution Stats

60.0% Correct | 40.0% Incorrect
Last Solution submitted on Dec 07, 2023

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