Anchorage Slip Prestress Loss Calculator

Uniform elongation compatibility for independently established anchorage-slip affected length, not whole tendon length or automatic friction interaction. Caller independently establishes units, regime, calibration and applicability; this does not establish design-code compliance, authenticity, operational safety, treatment efficacy or a validated forecast.

Description

Anchorage slip produces a modeled strain change over an independently chosen affected length.

Anchorage slip produces a modeled strain change over an independently chosen affected length.1

That length is not inferred from friction or tendon compatibility by this calculation. Use this tool to calculate anchorage Slip Prestress Loss from the supplied measurements and assumptions.

When to use Anchorage Slip Prestress Loss Calculator

Use this tool to calculate anchorage Slip Prestress Loss from the supplied measurements and assumptions. Establish the SI units or caller unit basis, load signs, measurement interval, model conditions and independently chosen coefficients or references.

How to use Anchorage Slip Prestress Loss Calculator and understand its results

  1. Establish the SI units or caller unit basis, load signs, measurement interval, model conditions and independently chosen coefficients or references.
  2. Enter observedAnchorageDrawInM, callerIndependentAffectedTendonLengthM, prestressSteelModulusPa, using the field meanings and rules below, then run the tool.
  3. Read uniformAffectedAnchorageStressLossPa. Interpret the fields using their units, signs and evidence conventions below.
  4. If input validation fails, correct the reported field and run again. Before applying the result, check reference scope, model assumptions and any missing evidence or placeholder values.
Input fieldMeaningValue typeRequirement
observedAnchorageDrawInMObserved anchorage draw in mnumberRequired
callerIndependentAffectedTendonLengthMCaller independent affected tendon length mnumberRequired
prestressSteelModulusPaPrestress steel modulus panumberRequired

Enter nonnegative draw-in in m, positive independently established affected length in m and positive modulus in Pa. Return modulus×drawIn/affectedLength in Pa. A zero draw-in gives zero loss; no friction-dependent affected length is calculated.

stressLossPa=modulusPa×drawInM/affectedLengthM

Use the exact units, boundary rules, ordering and missing-evidence conventions above.

Output fieldMeaningValue type
uniformAffectedAnchorageStressLossPaUniform Affected Anchorage Stress Loss Pa; follow the units, sign, ordering and evidence convention stated abovenumber
json
{
  "input": {
    "observedAnchorageDrawInM": 0.001,
    "callerIndependentAffectedTendonLengthM": 2,
    "prestressSteelModulusPa": 100000
  },
  "output": {
    "uniformAffectedAnchorageStressLossPa": 50
  }
}

Limitations and assumptions

That length is not inferred from friction or tendon compatibility by this calculation. Interpretation depends on the units, sampling scope and exact model described above.

All listed fields require explicit values. Unexpected fields, incorrect types, nonfinite numbers and sparse evidence arrays fail validation; the specific bounds and alignment requirements are stated above. Extremely large inputs or outputs can also be rejected. An input error is distinct from a successful result reporting false, no matches or missing evidence.

Alternative or Complementary methods

Use Friction Prestress Losses Calculator for this related task: Prestress friction attenuation combines cumulative angular change with length-related wobble.

Use Elastic Prestress Loss Calculator when its separate inputs and assumptions fit the question: Elastic-shortening loss relates a measured shortening to a gauge length and modulus.

References

  1. Anchorage Slip Prestress Loss Calculator — tool.io

Similar or alternative tools

Don't forget to set a bookmark for tool.io!
Privacy | Imprint | Cookies