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Common Problems of 3d3s Multi-storey and High-rise Module in Steel Structure Design Training
1, multi-layer and high-level modules can't output the total information or the total information calculation book crashes. Cause: The layer definition in the model is incorrect. When editing and modeling with the standard layer of multi-layer and high-level modules, if the layer definition is wrong, for example, a pole spans two layers, etc. After the model is assembled, you will be prompted that the layer definition is wrong. When standard layer editing and modeling are not used in multi-level and high-level modules, users need to define layer information correctly from bottom to top through the command of defining layer and axis number. If the definition is wrong, the post-processing will prompt that the layer definition is wrong, and the post-processing model cannot be generated. Because in the total information and the information of the layer to be read in the calculation book, if the layer definition is wrong, errors may occur when outputting the total information and the calculation book. In the 1 1.0 version of the software, the command to define the floor is added under the component properties menu. This floor command should be defined correctly, and the software can judge the floor information by the floor number. The original definition level numbering command is only used for convenience of display and operation.

2. Wind load transmission method for multi-storey and high-rise buildings: 1. Add rigid partition and partition wind load: 3D3S provides the option of "Add partition wind load", which is used to calculate the wind load of the overall horizontal displacement and acts on the rigid partition center of each floor. This uses ETABS PKPM, which is a simplified algorithm. Operation steps: 1) Define rigid partition when assembling the model. Tick "Add Partition" and the following dialog box will pop up: 2) Fill in basic parameters: input basic wind pressure, ground roughness, wind pressure height change correction coefficient, building structure type, house type, reference point height, period and other parameters. The period is used to calculate the wind-induced vibration coefficient, and the source of the period can be the period calculated by the program or the period defined by the user according to experience. You can add wind loads of 0 and 90 degrees in this dialog box. Double-click the blank space and enter the working condition, wind direction angle and shape coefficient. 3) Complete the wind load guide for the partition wall; 2. Apply wind load through the load guide plate: This load guide method is to add the load guide plate on the facade first, and then apply panel wind load on the plate. If there is a shear wall object on the elevation of the model, the user can directly apply the load to the shear wall object. This method has the same effect as using guide load plus wind load. Note: When the user selects "Wind action surface comes from rigid partition" in the high-rise wind load parameter setting dialog box, the program will consider both. 3. Guide the wind load by guiding the load through the rod: This way of guiding the load is the same as that in other modules. Users can choose their own surface to guide wind load and define their own parameters, such as shape factor. Applying wind load in this way is more accurate than the first way. Operating steps: 1) Display the wind load independently conducted by the members around the model; 2) Apply rod guide load, input parameters such as load size and shape coefficient, and select internal reference point. Add dummy bar 3) to generate closed curved surface 4) to automatically guide the load.