What"s mean by water bound macadam road(WBM)?

Answer Posted / manish vikram singh shekhawat

Water Bound Macadam (WBM) is a base corse and mixing of
binding material such as mooram, Cley soil etc. A layer of
Stone By Grade (90mm to 63mm or 63mm to 40mm) and compress
to it as a Dry Roll by Roller and than alayer of binding
material placed on it and Fully water than again compaction
by Roller

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