Load Combination Input dialog box

Used to automatically generate sets of load combinations based on design codes.

Setting	Description
Load Combination Table	Select either of the two code specified load combinations or input your own. ASCE 7-05 NBCC 05 Indian British Australian GB50001-2001 User defined
Update Table	Default load combinations are saved in external data files (ACILOAD.INI files). Clicking the Update Table button saves any changes made to the associated table to the file as a default. Otherwise, any changes are saved in the active project file only.
Delete	Removes the selected row (load combination) from the associated table. Note: To delete any combination from the default list (kept in an external .INI file) you need to click the Update Table button after deleting.
Allowable Load Combination and Ultimate Load Combination tables	Allowable load combinations are load combinations used to check soil pressure and optimize footing plan dimensions. Ultimate load combinations are load combinations used to check for shear and design for reinforcement. The cells represent the factors to be added with the primary load cases, depending upon the rules of the US Standard. Each row in a table represents the ID for a different load combination. Index - The first column indicates the index of the load combination. toggle - Select the check boxes of the combination which you want to use. Load Type columns - Primary Load cases are assigned a load type, each of which is represented by a separate column in the load combination tables. Enter the load combination factor for a given load type in the cell. Tip: The cell with zero values appears in gray color where as with values other than zero it appears in blue. Tip: Negative load factors may be used to reverse load direction. To add a new load combination to the table, add factors to the last (empty) row. Note: To add or change any combination from the default list (kept in an external .INI file) you need to click the Update Table button after making changes. Tip: Custom Load types can be created using User Type <#>. Up to six custom types may be used.
Generate Load Combination	Adds the load combinations with the specified factors from the associated table to the Using Loads, Load Cases, and Load Combinations . The child node of each load combination node will represent the Load Case and the factors multiplied with it. Note: A dialog opens to confirm that the set of load combinations have been generated.
Load Combination No	The load combination number starts from 101 and you can also give load combination number of your own choice. If the number exists, the load combination number is automatically incremented with each new load combination as Load Comb and the number.