回复:
根据 NBC 2020 表 4.1.3.4 注释 (1)，按照第 4.3 节所列规范的规定，允许不包括自重挠度 D。
In RFEM, this exclusion can be done automatically by editing the Combination Wizard option (Image 01). In the Standard Options tab, activate the “Deflection due to dead load to be excluded” option.
常见问题和解答 (FAQ)
The serviceability load combinations without dead load are shown in Image 02.
请注意：
To keep the load combinations including dead loads for the total/permanent deformation, you can create additional design situations with a different combination wizard.