Function
Define stress parameters, control parameters of crack and deflection for serviceability checks.
Call
From the main menu, select [Design] tab > [Type : RC Design] > [Data Input Data] group > [Design Parameters] > [Serviceability Parameters]
Input
Select a beam member from the Model View to enter the following parameters:
Option
Add/Replace : Add a new value or modify a predefined value.
Delete : Delete a predefined value
Selection Type
Select all the members 'All' or select the members by using 'By Selection'
When Eurocode 2-2 is selected.
Exposure Class
Select the Exposure Class (For further details, refer to Table 4.1 of EN 1992-1-1:2004(E)).
Depending on the selected Exposure Class, Stress Parameters are automatically inputted and, in addition, can be modified by the user.
Stress Parameters
Enter the strength reduction coefficients.
Crack Control
Enter the limiting crack widths. (For further details, refer to Table 7.1N of EN 1992-1-1:2004(E)).
Crack Control menus become activated or inactivated depending upon the Exposure Class.
Quasi-permanent Deflection Ctrl
Enter the limiting deflections for Quasi-permanent combination of loads.
Characteristic Deflection Ctrl
Enter the limiting deflections for Characteristic combination of loads.
Deflection Amplification Factor
Enter the Deflection Amplification Factor.
When BS 5400-4 is selected.
Exposure Environment
Select the Exposure Environment, which affects the allowable crack width limits to ensure durability and prevent deterioration of reinforced concrete structures.