Introduction

General information

With the Concrete Beam program continuous beams can be designed in Ultimate and Serviceability Limit State according to EuroCode.

Limitations

Program structure

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Input

Title

Convert code version

Geometry

Material

Loads

Serviceability state parameters

Save input data as default

Calculate

Increase/decrease reinforcement

Longitudinal reinforcement

Diagrams

Bending moment and shear force

Reinforcement-Layout

Section marking

Curtailing

Deflections

Tables

Analysis

Design

Serviceability Limit State

Total reinforcement

Methods of calculation

The description of the calculation methods doesn’t claim to in detail reflect the program flow, but serves to give sufficient information on how the result of the calculation has been retrieved.

Elastic analysis

 Plastic analysis for Danish Annex

Ultimate Limit State

Bending reinforcement

Balanced reinforcement and balanced moment

Under balanced reinforcement

Reinforcement with compression bars

Stress-strain conditions for concrete

Stress-strain conditions for reinforcement

Arranging reinforcement bars

Continuity control at supports

Curtailing

Shear

Elements not requiring shear reinforcement

Serviceability Limit State

Method of solution

Cracking

Cracking width calculation

Adjusted ratio of bond strength

Crack spacing S_r,max

Deflections

Effective stiffness

References