Base Plate Designer

PallaS

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About this app

Base Plate Designer is a professional engineering calculation tool for the design and analysis of steel column base plates subjected to axial loads, bending moments, and shear forces.

The application supports structural and engineering calculations for column base connections, helping engineers evaluate the interaction between the steel base plate, concrete foundation, and anchor bolts.

The design concept considers the external bending moment as being resisted by a couple consisting of compression bearing between the base plate and concrete and tension in the anchor bolts. For calculation purposes, the base connection can be evaluated by treating a horizontal section through the base plate as an equivalent reinforced-concrete section, with anchor bolts on the tension side acting as reinforcing steel.

Initial tension (pretension) in the anchor bolts is disregarded in the calculation methodology.

Key Features

• Base Plate Design
Calculate and evaluate steel column base plate dimensions and structural behavior.

• Axial Load Analysis
Evaluate the effects of gravity and axial compression loads.

• Bending Moment Analysis
Determine the effects of external bending moments on the column base connection.

• Shear Force Analysis
Evaluate shear forces transferred through the column base and anchor bolts.

• Concrete Bearing
Calculate the bearing pressure developed between the base plate and concrete foundation.

• Anchor Bolt Tension
Evaluate tension forces in anchor bolts on the tension side of the connection.

• Combined Loading
Consider the interaction of axial load, bending moment, and shear force.

• Engineering Calculation Report
Export calculation results as professionally formatted engineering reports for documentation, design review, and project records.

Standard References

The application references engineering standards including:

• JIS G3106 — Rolled steels for welded structures
• BS 4190:2014 — ISO metric black hexagon bolts, screws and nuts
• BS 5950-1:2000 — Structural use of steelwork in building

Designed for Engineers

Base Plate Designer is intended for:

• Structural Engineers
• Civil Engineers
• Mechanical Engineers
• Plant Engineers
• Engineering Consultants
• EPC Contractors
• Steel Fabricators
• Engineering Students

The application provides a practical way to perform column base plate calculations, review design results, and generate professional calculation documentation directly from an Android device.

Important: Base Plate Designer is an engineering calculation tool. Final design decisions and verification should be performed by a qualified engineer and checked against the applicable project specifications, design codes, and site conditions.

What’s new

Update 19 August 2026