Description

Deep Surface: Unlocking N-M Biaxial Interaction in Rectangular Concrete Columns to Eurocode 2 – 3D & 2D N-M Surface With Worked Examples and Column Design Charts

Designing rectangular concrete columns under biaxial bending remains one of the most intricate challenges in civil and structural engineering. While Eurocode 2 offers a comprehensive design framework, it can still feel abstract or inaccessible in practice.

Deep Surface: Unlocking N-M Biaxial Interaction in Rectangular Concrete Columns to Eurocode 2 was written to bridge that gap. This book presents a clear, structured pathway for generating both 2D interaction diagrams and full 3D N-M surfaces in compliance with Eurocode 2.

Through a blend of geometric insight, engineering code-based rigour, and precision, it helps the reader truly see how axial load and bending moments interact in a column cross-section.

Albeit, design software is widely available in modern practice and can perform these calculations in seconds, a true structural or civil engineer must understand what is actually happening inside the column. No software can replace engineering judgement and that judgement comes from a solid grasp of the core theory, assumptions, and behaviour behind the calculations. Even the best software must be created, validated, and used by people who understand the mechanics deeply. This book supports that level of understanding.

At its core, this book is about unlocking a deeper view, one that goes beyond isolated calculations to reveal the full behaviour of columns under complex loading. By generating your own design diagrams and interaction surfaces, you will gain both confidence and clarity in tackling biaxial column challenges.

I hope this book empowers you to explore biaxial behaviour with fresh clarity and unlock your own “Deep Surface” of understanding.

📘 About This Book

• Title: Deep Surface: Unlocking N-M Biaxial Interaction in Rectangular Concrete Columns to Eurocode 2 – 3D & 2D N-M Surface With Worked Examples and Column Design Charts
• Author: Harshana Wattage
• Total Pages: 162
• ISBN: 978-1-7640641-0-1
• Format: PDF (digital download)
• Available on: PDF, Apple Books
• Print editions: Paperback and hardcover coming soon

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