I'd like to set some 6" steel pipe posts in the ground in Kansas. I want to hang a 16' gate. I was going to do an "L" shape on each side of the gate, welding some horizontal pipe between the vertical posts. I have a couple questions. How deep should I set the post? Should I weld something onto the post below grade that would set in the concrete? Thanks.
Steel Gate Post
- Thread starter Believer
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My experience is no matter how deep it is, it sags over time. My neighbor did something that worked. On the hinge side of the gate, the "gate post" is an assembly made of two posts set in concrete about 3' apart, with horizontal pipes welded between them, one at the top and one near the bottom. That creates a frame rather than a single post. It's similar to the way you do corner posts on high tension fencing if you're familiar with that.
GaryM
Veteran Member
If you put a brace across the top of the posts, they will stay in place and the gate won't sag. Of course the posts need to have 10' or better out of the ground for clearance.
Western
Super Member
In Believers post, he says he is going to weld horizontal supports!
I would go at least 4' deep on the post. The "L" shape your talking about, is that 3 set post then the Horizontals? Should be a strong set if so, especially if your using a light weight store bought ranch gate.
I like Gary's thought on the entrance overhead pipe, but not really necessary if your doing it like you said, but would be stronger and looks good done right. If also I'd go at least 12' or more, never know when you need to get a cement or other truck in there.
I would go at least 4' deep on the post. The "L" shape your talking about, is that 3 set post then the Horizontals? Should be a strong set if so, especially if your using a light weight store bought ranch gate.
I like Gary's thought on the entrance overhead pipe, but not really necessary if your doing it like you said, but would be stronger and looks good done right. If also I'd go at least 12' or more, never know when you need to get a cement or other truck in there.
SPYDERLK
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You must do a diagonal from the top of gate post to bottom of adjacent post, and a horiz across top. Horiz on bottom is optional.
larry
Western
Super Member
Those bags will work fine as is. I always mix mine then pour, some like to put it in dry and add water. i like to know it's all curing at the same time with no doubts.
You dont need anything welded underground. Set your post and weld your horizontals and you'll be good for along time.
Jaeger
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Believer,
I used a 6"x6"x9' 3/8 steel post holding a 16' gate with no sag.
Put the post 4' in the ground inside a 24" hole filled with concrete. Using weld on hinges from King Architectural Metal:
USA Barrel Hinge. 1" x 2" Weld Pad, 1-3/4" Installation Gap, 5" H, 2.75 lbs
2 of these hinges have worked well for 4+ years no sag. They support like 500lbs each. Gate is like 250lb.
Might be overkill but it'll be there long after I'm gone.
Jaeger
I used a 6"x6"x9' 3/8 steel post holding a 16' gate with no sag.
Put the post 4' in the ground inside a 24" hole filled with concrete. Using weld on hinges from King Architectural Metal:
USA Barrel Hinge. 1" x 2" Weld Pad, 1-3/4" Installation Gap, 5" H, 2.75 lbs
2 of these hinges have worked well for 4+ years no sag. They support like 500lbs each. Gate is like 250lb.
Might be overkill but it'll be there long after I'm gone.
Jaeger
