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Frequently Asked Questions (FAQ)
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AnswerWith the national annex ÖNORM B 1991-1-3: 2018-12, Austria has redrafted the width of the tolerance zones textually.
 In the third paragraph under the heading "Annex B", the standard accordingly states that within 2.5 km on both sides of the zone boundary, the characteristic value s k is the average of the affected zones. In the area of Vienna, we can assume a 250 m per side. This results in a tolerance zone width of 2 x 2.5 km = 5 km inland and of 2 x 250 m = 500 m in Vienna.
AnswerThis is possible. For this purpose, we select the temperature in the member load and display a random distribution over the depth of the cross-section.
AnswerTo do this, open the "General Data" dialog box of the current model. To do this, right-click the model description in the Data navigator. See Figure 01.Alternatively, you can open the "General Data" dialog box with the "Edit" menu. See Figure 02.In the "General Data" dialog box, you can select the standard according to which the combinatorics is to be carried out. Or Whether load combinations (COs) or result combinations (RCs) are created. See Figure 03.If COs or TOs are already available in the existing file, a query appears asking if the program should delete or keep the existing combinations. See Figure 04.
AnswerIf you only want to transfer the wind loads on the gable over the columns and not via the girder, you can deactivate it in the settings of the load generator by using the setting "Correction of generated loads" (see Figure 1).
AnswerYes, this is possible.In the calculation parameters of each load case or each load combination, you can find the option "Multiply load by factor".You can select it and enter a factor with which the loading for the internal forces of this load case / load combination is multiplied. See Figure 01.
AnswerIt is between manually generated and automatically generated data Distinguish load combinations or result combinations.Manually generated load combinations or result combinations are displayed in black in the tables or in the "Edit Load Cases and Combinations" window and automatically generated load combinations or result combinations are displayed in blue.You can delete manually created load combinations or result combinations by using the Project Navigator - Data, the table, or the "Edit Load Cases and Combinations" window.First, select the load or result combinations to be deleted and then select the "Delete" command (see Figure 1).Automatically generated load or result combinations can be deleted by using the "Edit model - General Data" window. First, clear the "Generate combinations automatically" check box. Then, click the "Delete" button in the opening "Automatically Delete Combinations" window (see Figure 2).
AnswerThe error 12303 means that the generated load via Tools - Generate Loads on Member does not find a member or is badly defined on a certain member.You can control the generated load in column 3.15 or via double click to the load. In this dialogue you can select the edge nodes to correct the defined area.
AnswerIn most cases, the tolerances are insufficiently defined in the settings for the load generation (see Figure 1). The corresponding members can be recognized very quickly because they are not selected by default when previewing the load plane with the selected members. This is because the affected members lie outside the plane. Thus, further adjustments in the tolerance settings of the area load plane are required.
AnswerCoating loads can be generated as member loads from ice loads, claddings, etc. To access the corresponding function, use the menu option "Tools → Generate Loads → From Cladding ...". For this, only the thickness and the specific weight of the coating have to be specified.
AnswerTo create a temperature load on a bar with the COM interface, simply use a bar load with the following parameters:Dim memload As RSTAB8.MemberLoadmemload.Direction = LocalZTypememload.Distribution = UniformTypememload.Magnitude1 = T_cmemload.Magnitude2 = dTmemload.ObjectList = "1"memload.Type = TemperatureTypeT_c corresponds to the constant temperature component and dT to the top and bottom different.
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