MasterSeries Blog
Concrete Transfer Slab Design: New MasterSeries Features Align with IStructE Guidance
For too long, transfer slab design lacked standard industry guidance, leaving engineers with inconsistent approaches, especially in shear verification. The Institution of Structural Engineers (IStructE) has now addressed this with its Design of Transfer Slabs guidance, but many existing slabs may not comply with its recommendations.
That’s why MasterSeries has introduced new features to align your designs with the latest best practices, ensuring both punching shear and linear shear checks are carried out effectively.
What’s New in MasterSeries?
Shear Capacity & Shear Unity Ratio Contours
- Identify areas beyond normal punching shear zones where slab shear may require further checks, especially under heavy line loads, at shear wall face supports or close to planted columns on a transfer slab.
- These outputs exclude zones inside the U1 (2d) punching shear perimeters, helping you focus on areas where standard punching shear checks are insufficient.
Important: These contours do not indicate failure but highlight areas needing additional review and reinforcement.
Linear Shear Checks Now Integrated with Strip Reinforcement
- Engineers can now assess linear shear across the strip length, even without adding extra reinforcement by toggling shear checks ON to examine all points along a defined strip zone.
- Shear values at 1d from support face options now align with IStructE guidance, ensuring realistic shear force assessments.
- MasterSeries automatically calculates required shear reinforcement, providing clear insight into both punching and linear shear design checks. Linear shear strips often dominate because:
- They evaluate forces at 1d from support (vs. punching at 2d)
- They require tighter transverse spacing (0.75d) compared to punching (1.5d).
Punching Shear Adjustments
- The effective depth multiple for the punching shear perimeter can now be adjusted for Closely Spaced Columns (4d > S > 1.5d), aligning with IStructE’s recommendations allowing proper assessment of the interaction between closely spaced planted and supporting columns.
- Continue to use FE shear force results for accurate design, ensuring forces are directly extracted rather than estimated using the code method, again aligning with IStructE’s recommendations.
📥 Watch Our Latest Webinar & See the Updates in Action
MasterSeries now ensures your transfer slabs align with IStructE’s latest recommendations, helping you design with confidence.
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