WS AASHTO [EX1-SIG]

After clicking on ‘Loading> Loads> Wind Load> Wind Load on Structure> WS AASHTO' in the navigation treeview, follow the steps to define the Wind Load on Structure. You can use the collapsed documentation page below for more information on the explanations of each parameter.

Wind Load on Structure

WS AASHTO [SIG]

1

🖱️ Click three-dots icon on Stage cell and select a Construction Stage as WSStage.

2

🖱️ Keep the Span Height Variation as default.

3

🖱️ Click three-dots icon on Structural Objects and Pressure Parameters cell and Edit.

4

🖱️ Click three-dots on the cell of the Applied Elements and pick the element BR1.

5

🖱️ Click the three-dots icon on the Wind Direction cell, and then set Left to Right.

6

🖱️ Enter the Structural Height from Ground Line as 52.

7

🖱️ Keep the Gust Effect Factor parameters as default.

The gust effect factor value is specified in AASHTO Table 3.8.1.2.1-1. To determine these values, you can refer to the quick tip below.

8

Quick Tip: Learn how to determine gust effect factor

9

🖱️ Keep the Drag Coefficient as default.

The drag coefficient value is specified in AASHTO Table 3.8.1.2.1-2. To determine this value, you can refer to the quick tip below.

10

Quick Tip: Learn how to determine drag coefficient

11

🖱️ Please enter the following values sequentially:
2^nd row - Applied Elements: BR2 Wind Direction: Right to Left Structural Height from Line: 52 Gust Effect Factors: 1 Drag Coefficient: 1.3
3^rd row - Applied Elements: G4 Wind Direction: Left to Right Structural Height from Line: 49 Gust Effect Factors: 1 Drag Coefficient: 1.3
4^th row - Applied Elements: G1 Wind Direction: Right to Left Structural Height from Line: 49 Gust Effect Factors: 1 Drag Coefficient: 1.3
5^th row - Applied Elements: PierCap1 Wind Direction: Both Direction Structural Height from Line: 41 Gust Effect Factors: 1 Drag Coefficient: 1.6
6^th row - Applied Elements: PierCap2 Wind Direction: Both Direction Structural Height from Line: 41 Gust Effect Factors: 1 Drag Coefficient: 1.6
7^th row - Applied Elements: PierColumn4 Wind Direction: Left to Right Structural Height from Line: 33 Gust Effect Factors: 1 Drag Coefficient: 2
8^th row - Applied Elements: PierColumn1 Wind Direction: Right to Left Structural Height from Line: 33 Gust Effect Factors: 1 Drag Coefficient: 2
9^th row - Applied Elements: PierColumn5 Wind Direction: Both Direction Structural Height from Line: 33 Gust Effect Factors: 1 Drag Coefficient: 2

12

🖱️ Keep the Substructure Objects and Pressure Parameters and Superstructure Objects and Pressure Parameters as default.

13

🖱️ Keep the Strength III Design Wind Speed as default.

The strength III design wind speed value is specified in AASHTO Figure 3.8.1.1.2-1. To determine this value, you can refer to the quick tip below.

14

Quick Tip: Learn how to determine Strength III Wind Speed

15

🖱️ Keep the Surface Roughness as default.

The surface roughness value is specified in AASHTO 3.8.1.1.4 . To determine this value, you can refer to the quick tip below.

16

Quick Tip: Learn how to determine surface roughness

17

Keep the Analysis Option as default.

18

🖱️ Keep the Generate Wind Load Report as default.

19

When the steps are completed, the shared screenshot displayed in the adjacent cell should be visible in the FEA view of OpenBrIM.

You can refer to the Quick Tip below to learn how the loading displayed in the screenshot is viewed.

20

Quick Tip: Learn how to show Wind Load

Click on the arrow button above the Analysis button located in the upper-left corner of the OpenBrIM screen.

Click on the FEA button on the screen that opens up.

Click on the first button on the screen that opens up and Click on the Loading button.

Click on the third button and in the opened window, select the degree for wind load for which you want to see the loading.

21

Proceed to the next step to verify the model.

The completed wind load on structure is illustrated below. Please verify that you have the same model on your end by examining each view provided here. For more information on how to perform visual checks, refer to the quick tips.

Quick Tip: Learn how to show FEA Click on the arrow button above the Analysis button located in the upper-left corner of the OpenBrIM screen. Click on the FEA button on the screen that opens up.

To view the entire procedure explained on this page, please watch the recorded Video below.

SIG EX1 WS AASHTO.mp4