Q-System SRF Correction Calculator

Apply explicit Q stress-reduction divisor to independently established baseRQD/Jn×Jr/Ja×Jw, no inferred SRF, full Q from photographs or ground-support prescription. Caller independently verifies units, applicability and matching conditions; no operational recipe, safety certification, causal efficacy or legal/resource classification is inferred.

Description

The Q-system stress-reduction factor divides an independently established base Q value.

The Q-system stress-reduction factor divides an independently established base Q value.1

The base must exclude that divisor so that the correction is applied once.

When to use Q-System SRF Correction Calculator

Use this tool to calculate or review the supplied observations under the stated rules. Match completed survey or ledger observations by block, segment or stage and confirm their units and boundaries.

How to use Q-System SRF Correction Calculator and understand its results

  1. Match completed survey or ledger observations by block, segment or stage and confirm their units and boundaries.
  2. Enter callerVerifiedBaseQWithoutSrf, callerIndependentlyAssignedStressReductionFactors, using the field meanings and rules below, then run the tool.
  3. Read srfCorrectedCallerQ. Inspect nested result fields where present, and review unknown records separately from known matches.
  4. Correct any reported input issue and run again. Before using a successful result, check the stated units, signs, reference scope and observation coverage.
Input fieldMeaningValue typeRequirement
callerVerifiedBaseQWithoutSrfCaller verified base q without srflist of numberRequired
callerIndependentlyAssignedStressReductionFactorsCaller independently assigned stress reduction factorslist of numberRequired

Use aligned positive base Q and positive independently assigned SRF values. Divide each base by its matched SRF. The base represents RQD/Jn×Jr/Ja×Jw, supplied rather than computed here.

Q_corrected=Q_withoutSRF/SRF

Use the matching field units and the exact boundary, ordering and reference rules above.

Output fieldMeaningValue type
srfCorrectedCallerQSrf corrected caller qlist of number
json
{
  "input": {
    "callerVerifiedBaseQWithoutSrf": [
      10,
      20
    ],
    "callerIndependentlyAssignedStressReductionFactors": [
      2,
      4
    ]
  },
  "output": {
    "srfCorrectedCallerQ": [
      5,
      5
    ]
  }
}

Limitations and assumptions

Units, ledger boundaries, survey interpretation and model applicability must be independently established. These summaries do not assign reserve/resource classifications or establish support adequacy, ventilation safety or an operating setting.

Missing required fields, unknown fields, wrong types and violated rules return input issues. Numeric values and outputs must be finite. Lists and matrices must be dense, without missing cells. Numeric lists allow at most 10000 entries; ordinary string lists allow at most 128 strings of 128 UTF-16 units each; numeric matrices allow at most 128 rows and 128 columns, subject to narrower requirements above.

Alternative or Complementary methods

For a related step, use RMR Rating Calculator: An already assigned RMR component ledger can include unknown ratings. For a complementary comparison, use GSI From RMR Calculator: An empirical RMR-to-GSI relation has an edition and applicability branch.

References

  1. Q-System SRF Correction Calculator — tool.io

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