Program Concrete Beam

The software "Concrete Beam" verifies horizontal reinforced concrete structures according to EN 1992-1-1.

User interface

The user interface consists of a main menu with toolbars in the upper part of the window, tree menu on the left and input/display part on the right side of the window. The main menu contains all tools and functions, which can be used during the work. The tree menu is used for the administration of individual project tasks as well as for switching between parts of an input. The work with the tree menu is described in the chapter "Tree menu". The tree menu can be alternated by the part "Data" of the main menu. Tools for documents printing are organized in the window "Print and export document", which can be opened using the printing icon in the toolbar "Files" or using the appropriate link in the part "File" of the main menu.

The particular tasks ("Members") can be added with the help of the button "Add member" in the heading of the tree menu.

Main screen

Basic screen of the software contains general data of the project (identification details, design standard).

Frame "General project data" shows data, that can be input in the window "General project data". The window can be opened by using the button "Edit". The entered data can be used in heading and footing of documents.

The design standard including national annex can be changed in the part "Standard". These settings are placed in the window "Standard selection", that can be launched by the button "Edit".

Part "Calculation options" contains settings that may influence the analysis:

Check bar spacing	The check of bar spacing is performed in parts "Longitudinal reinforcement" and "Shear reinforcement". Verification is described in the part "Structural rules" of the theoretical help.
Check of detailing only informative	Structural rules (reinforcement area, bar spacing) are checked, however, they don't affect the final result "Pass/Fail". The member is considered as passed, even though some structural rules aren't fulfilled.
Calculate crack width only after exceeding concrete tensile strength	The crack width is calculated after the exceeding of limiting value f_ctm (tensile strength of concrete). Cracks that may appear due to technological reasons aren't considered.

The setting "Calculate continuously" recalculates the results after any change immediately. This may be quite time consuming and limiting for members with a lot of load combinations. When switched off, any part is recalculated after clicking on it in the tree-menu.

Main application window

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