When including Ped Load in addition to HL-93, I'm getting same rating for inventory and operating. Local Buckling under strength is controlling the rating, but it is giving the same rating result for inventory and operating rating even though the live load factors are different. I do not have this issue if I don't include pedestrian loading. Under the analysis tab, the moment diagrams for both HL-93 and ped load seem correct, it's just when combined in the rating things are off.
Please email me the file so that i can test this issue.
My email ID is "Vinay.Mysore@Bentley.com"
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It is possible that the way you are combining the two load cases is causing the issue. When combining loads, it's important to ensure that the load factors are appropriate for each load case. It's possible that the same load factors are being applied to both the HL-93 and pedestrian load cases, which would explain why the rating results are the same.
One thing to check is whether you are using the correct load combinations. For example, if you are using the AASHTO load combinations for strength, you should be using a different combination for inventory versus operating rating. The load factors for pedestrian loading may also be different from those for HL-93.
Another possibility is that there is an error in the software or spreadsheet you are using to calculate the ratings. Make sure that you are using the correct formulas and that all inputs are correct.
Lastly, it is possible that there is an issue with the bridge itself. It's possible that the bridge was designed to resist the HL-93 loads, but not pedestrian loads, leading to the same rating results for both load cases. In this case, it may be necessary to strengthen the bridge to account for the additional load.
I would recommend double-checking your load combinations and calculations, and if the issue persists, consult with a structural engineer who can provide further guidance. hope so it is worthful for you . C4Yourself
It is possible that there is an error in the way the combination of pedestrian loading and HL-93 live loads is being applied in the rating calculation. You may want to double-check the input data and the rating methodology to ensure that the combination of loads is being correctly considered. It may also be helpful to consult with a structural engineer or the software provider for further guidance.
If you are getting the same rating for inventory and operating when including Ped Load, it indicates that the load-carrying capacity of the tire is sufficient for both scenarios.
The load index of a tire is a numerical code that indicates the maximum load-carrying capacity of the tire. When selecting tires for a vehicle, it is important to consider the anticipated weight of the vehicle, passengers, cargo, and any additional loads. The load index is a standardized value that helps ensure the tire can handle the expected loads safely.
If you are obtaining the same rating for both inventory and operating scenarios, it suggests that the tire's load index is suitable for the heaviest load expected in both cases. It means the tire is capable of carrying the anticipated weight without exceeding its load-carrying capacity.
However, it's essential to double-check and confirm that the load index is appropriate for your specific vehicle and its usage patterns. It's recommended to consult the vehicle manufacturer's guidelines or speak with a tire professional to ensure you have selected the correct tires for your needs.
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