basecourse

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Falling weight deflectometer — A falling weight deflectometer, FWD, is a testing device used by civil engineers to evaluate the physical properties of pavement. FWD data is primary used to estimate pavement structural capacity for 1) overlay design and 2) to determine if a… … Wikipedia
Mudcrete — is a structural material (employed, for example, as a basecourse in road construction) made of mixing mud (usually marine mud) with sand and concrete/cement. It is used as a cheaper and more sustainable alternative to rock fill.[1] It is also… … Wikipedia

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