Well, no it won't in this case.  There were the usual deposits of sand out at sea that would have replenished the beach naturally, but they were dredged for building sand.  That's where the beach sand is going - to fill up these "reservoirs", as long as they're empty, that's where the beach sand will continue to go.  
 
There is a natural cycle involved, but they removed a part of it and broke the cycle.

Did notice them dredging for a new island off shore a few weeks back. Initially thought it was for beach renourishment but then realized it was for parasailing.

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may be this could help

On ‎4‎/‎8‎/‎2018 at 2:40 PM, hyku1147 said:

What do you think they meant by "doesn’t match Pattaya’s beachfront well enough"?

 

" Restarted earlier this month after a 15-month suspension, the sand-refill project at the far northern end of Pattaya Beach was halted March 20 when the Marine Department decreed that the sand brought in from Koh Rang, a small island south of Koh Chang, doesn’t match Pattaya’s beachfront well enough. "

Quality, grain size, you know, the sort of things that are important when visitors are expecting to sit on it.