User Manual (Concrete Section)
Introduction
General information
With the Concrete Section program a number of concrete sections can be designed and analysed in the Ultimate- and Serviceability Limit State. Moments around two principal axes (skew bending) as well as shearing forces, axial force and torque can be defined. Diameter and structural strength can be mixed arbitrarily when reinforcement is being defined.
Limitations
Program structure
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Design
Analysis
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Results
Loadcases in the Ultimate Limit State
Loadcases in Serviceability Limit State
Calculation methods
Design
Balanced reinforcement and balanced moment
Reinforcement with compression bars
Reinforcement at tensed section
Calculation of sections affected by combined axial, bending, shear and torsion forces
Side wall thickness in the effective section
Analysis
Area properties of concrete gross section
Area properties of reinforcement in cross-section
Area properties of composite cross-section
Stresses and strains at linear section analysis
Time-dependent stresses and strains
Stresses and strain in cracked sections
Stresses and strains at non-linear analysis
Internal section forces from stresses and strain
Stress-strain relation for concrete
Stress-strain relation for reinforcement steel
Calculation of stress and strains due to section forces
Shear capacity with shear reinforcement
Shear capacity of the shear reinforcement
Shear capacity without shear reinforcement
Shear capacity of the concrete