Rqd

RQD & Core Recovery Calculator — Blogger-ready

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Borehole / Project ID

Default Core Run Length (m) 1.50 m 3.00 m 0.50 m

Instructions: Add one or more core runs. For each run enter run length (m) and add recovered core pieces (lengths in mm). The calculator computes Recovery (%) and RQD (%) per run and cumulative results with interpretation referencing standard classifications (Deere, IS).

Runs: 0

Aggregated Results

Total Drilled (m)

0.00

Total Recovered (m)

0.00

Core Recovery (%)

0%

RQD (%)

0%

Interpretation Notes

Generated Borehole Log (preview)

Standards & references: Deere (1964) RQD definition; IS 11315 (Part 11) guidance for RQD & recovery recording. This tool is for engineering-assist only — always cross-check with laboratory tests and experienced geotechnical engineer judgment.