Guide for Diamond Grinding - MnDOT
2020-4-17 · grinding noise reduction of up to 5dbA in peak frequencies of 500 Hz and the first harmonic of 1000 Hz (DeFrain 1989). This is particularly true of pavements that were transversely tined with uniformly spaced groves. Diamond grinding generally reduces slab thickness by 4 to 6 mm (3 16 to ¼ in). Since
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