wow, I feel stupid. I wasn't dividing the weight by 32.2 to get mass. I kept coming up with this astronomically big number. haha. Thanks.
I believe about 2 to 2.5 feet would be an appropriate location to apply the load.
It's not a calculated solution that I found but it still works. Looks like I'll have to increase the depth of the steel pipe and the size of the footing a little bit.
See the attachment for the detail. It has been tested to withstand the impact of 4500# @ 30 mph. It was found in FM 5-114...
I must say thank you to all that posted. Your information is valuable.
There were a few questions that I saw: First, the bollards are going to be in front of a Federal Courthouse. So the strength of these bollards must meet criteria as stated above.
MaddEngineer,
I was wondering how you...
I have specified a schedule 80 steel bollard with an 8" diameter. The bollard is 3' above ground and 3' below ground with a 42" deep concrete encasement with minimum 4" cover on all sides of the steel pipe.
The client would like me to confirm that the bollard will withstand the impact of a...
