Volex Labs / Calculations / Reinforced concrete shear wall design to Eurocode 2.

Reinforced concrete shear wall design to Eurocode 2.

Give Volex Anvil the wall length, thickness, axial load and in-plane shear, and it returns the shear resistance: the concrete contribution VRd,c with the axial-compression enhancement of EC2 §6.2.2, the web-reinforcement contribution VRd,s to §6.2.3, and the minimum vertical and horizontal steel to §9.6.

The wall is classified squat or slender from its height-to-length ratio, and every quantity — coefficients, resistances and reinforcement — is shown so the calculation can be checked by hand or by a reviewer.

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What Volex Anvil checks

Wall classification (squat / slender) — hw/lw ratio
Concrete shear resistance VRd,c — EC2 §6.2.2
Reinforcement shear resistance VRd,s — EC2 §6.2.3
Minimum vertical reinforcement — EC2 §9.6.2
Minimum horizontal reinforcement — EC2 §9.6.3

Validated against the published example

RC shear wall — concrete and reinforcement shear resistance EC2 §6.2.2 VRd,c (axial enhancement); §6.2.3 web reinforcement

Quantity	Published	Volex Anvil	Error
Concrete resistance VRd,c	234.9 kN	234.9 kN	0.00%
Reinforcement resistance VRd,s	869.6 kN	869.6 kN	0.00%

This case is one of 359 published checks the platform passes — the full table, with every source and every error, is public at volexlabs.com/verification.

Frequently asked

Does it enhance shear for axial load?

Yes — VRd,c includes the k1·σcp axial-compression term of EC2 §6.2.2, which is significant for walls carrying vertical load.

Does it check minimum reinforcement?

Yes — both the vertical (§9.6.2, 0.002·Ac) and horizontal (§9.6.3) minimum reinforcement are reported and compared with the provided steel.

Is it validated?

The concrete and reinforcement shear contributions are checked against EC2 hand calculations — both within 0.00%. The verification page lists the cases.

Is there a free tier?

Yes — 10 calculations a month free with clause references; Pro (£29/month) adds unlimited runs and PDF calc sheets.

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