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How do I input material properties for a composite section imported from SPC?


How do I input material properties for a composite section imported from SPC?



You can create a material with the same properties as the Base Material set in SPC and assign it to the imported composite section.

 Composite Section is a section made up of multiple parts of different materials. In CIVIL, only one section and one material can be input when creating elements. Therefore, it can be confusing which material to apply to the composite section.

 In the process of creating a composite section using SPC (Section Property Calculator), you would have specified a Base Material. Here, the Base Material is the reference material used to calculate the equivalent section properties of the composite section.

 When creating a composite section in SPC (Section Property Calculator), you specify a Base Material which is the reference material for calculating the equivalent section properties of other parts in the composite section. This means that the total section properties of the composite section are calculated based on the equivalent section properties, similar to an effective section, using the Base Material as a reference. Therefore, when using a composite section created in SPC in CIVIL, you should define the material as the Base Material used to calculate the section properties in SPC.

 In addition, the information defined in the Base Material not only affects the equivalent section properties but also has an impact on the determination of the neutral axis of the member with the Base Material, which also affects the stress analysis.

In the construction stage analysis, the location of the stress resultants for top and bottom stresses are represented by 1 to 4 in the Composite Section Data, which correspond to the upper and lower flanges of the girders.

 If you want to check the top and bottom stress of each part in a composite section, you need to define the composite section for construction stage in the [Load] tab > [Construction Stage] group after defining the construction stage.

 The Composite Section For C.S dialog box allows you to set the Material Type, activation construction stage, and age for each Part. The Material Type can be either Element or Material. If you choose Element, the material information defined when creating the elements will be used in construction stage analysis. If you choose Material, the material information defined here will be used in construction stage analysis, regardless of the material defined in the element. For more detailed information on Composite Section For C.S, please refer to the online manual.

 To check the top and bottom stresses of the entire composite section, you can check the top stress of Part 1 and the bottom stress of Part 2 after defining Composite Section For C.S.

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