RC Shear Capacity Calculator
Separate independent concrete contribution plus vertical stirrup Av fy d/s, caller edition/reduction applicability independently established. 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
A reinforced-concrete shear model combines a supplied concrete contribution with a reinforcement contribution.
A reinforced-concrete shear model combines a supplied concrete contribution with a reinforcement contribution.1
Reduction factors, applicability and code limits require independent design assessment. Use this tool to calculate RC Shear Capacity from the supplied measurements and assumptions.
When to use RC Shear Capacity Calculator
Use this tool to calculate RC Shear Capacity 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 RC Shear Capacity Calculator and understand its results
- Establish the SI units or caller unit basis, load signs, measurement interval, model conditions and independently chosen coefficients or references.
- Enter callerIndependentConcreteShearN, stirrupAreaM2, callerStirrupYieldPa, effectiveDepthM, stirrupSpacingM, callerStrengthReductionFactor, using the field meanings and rules below, then run the tool.
- Read callerFactoredRcShearN. Interpret the fields using their units, signs and evidence conventions below.
- 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 field | Meaning | Value type | Requirement |
|---|---|---|---|
| callerIndependentConcreteShearN | Caller independent concrete shear n | number | Required |
| stirrupAreaM2 | Stirrup area m2 | number | Required |
| callerStirrupYieldPa | Caller stirrup yield pa | number | Required |
| effectiveDepthM | Effective depth m | number | Required |
| stirrupSpacingM | Stirrup spacing m | number | Required |
| callerStrengthReductionFactor | Caller strength reduction factor | number | Required |
Enter nonnegative concrete shear resistance and reinforcement area, positive yield stress, effective depth and spacing, and reduction fraction in [0,1]. Add Av×fy×d/spacing to concrete resistance, then apply reduction. Use m, m², Pa and N; no minimum steel, upper capacity cap or code eligibility check is performed.
reducedShearCapacityN=φ×(VcN+AvM²×fyPa×dM/spacingM) Use the exact units, boundary rules, ordering and missing-evidence conventions above.
| Output field | Meaning | Value type |
|---|---|---|
| callerFactoredRcShearN | Caller Factored Rc Shear N; follow the units, sign, ordering and evidence convention stated above | number |
{
"input": {
"callerIndependentConcreteShearN": 10,
"stirrupAreaM2": 0.1,
"callerStirrupYieldPa": 100,
"effectiveDepthM": 2,
"stirrupSpacingM": 0.5,
"callerStrengthReductionFactor": 0.8
},
"output": {
"callerFactoredRcShearN": 40
}
}Limitations and assumptions
Reduction factors, applicability and code limits require independent design assessment. 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 RC Beam Moment Capacity Calculator for this related task: A yielded-steel rectangular-block model estimates nominal beam moment resistance.
Use Punching Shear Slab Calculator when its separate inputs and assumptions fit the question: Punching-shear demand uses load outside a declared interior contribution and an effective resisting area.
References
-
RC Shear Capacity Calculator — tool.io
Similar or alternative tools
- RC Beam Moment Capacity Calculator
A yielded-steel rectangular-block model estimates nominal beam moment resistance.
- Punching Shear Slab Calculator
Punching-shear demand uses load outside a declared interior contribution and an effective resisting area.