Need Advice on Creating Brick Pillars Using Cast Concrete Posts in the Centre


Postby Plumb-bob » Tue Mar 10, 2015 10:45 am

Hello DIY'ers

Im starting a new project and would really appreciate some advice and how-to's...

I've got some cast concrete posts, 9ft in length. I want to make some brick pillars, 6ft high but have the concrete posts in the center for support (instead of steel support rods/rebars.

Ground is soft clay. Ive read that i need to have 1/3 of the posts in the ground and the the width of the hole should be 2x the over width of the column - are these guidelines accurate? Finally, should the bottom of the hole be flat or more v-shaped & how would i support the post at the bottom - broken bricks or concrete base?

Thanks all!
Plumb-bob
Rank: Labourer
Progress to next rank:
25%
Posts: 2
Joined: Tue Mar 10, 2015 10:21 am

Sponsor

Simply Build It

Postby welsh brickie » Wed Mar 18, 2015 5:22 pm

if your going to use these posts, then you need to dig a square hole at least 400mm wide to allow for the brickwork to sit on,
I would brace the posts with timber to hold them straight the concrete can be as thick as you want, so long as its over a minimum of 150mm thick
welsh brickie
Rank: Project Manager
Posts: 2596
Joined: Sat Apr 12, 2008 7:54 am

Postby Plumb-bob » Thu Mar 19, 2015 10:53 am

Thanks Welsh Brickie....i read that the foundation should be approx 1/3 of the post length...i have 8ft posts, so would i have to dig down about 2.5ft??
I agree with the 400mm width for the bricks to sit on, seems enough i think.
Would i need any sort of footing at the base of the hole like broken bricks or a slab??
cheers
Plumb-bob
Rank: Labourer
Progress to next rank:
25%
Posts: 2
Joined: Tue Mar 10, 2015 10:21 am

Display posts from previous
Sort by
Order by



  • DIY How to Project Guides

  • DIY how to tutorial projects and guides - Did you know we have a DIY Projects section? Well, if no, then we certainly do! Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. Each page also comes with pictures and a video to make completing those jobs even easier!



 


  • Related Topics