Connector Idea: Structural Concrete Pillar to LVL

[ddurrett896]

Working on a backyard overhang and planning to build brick columns that are then filled with concrete. Need a strap that goes into the concrete then attached to the LVL that will be supported by the column. Anyone have an idea? Thanks!

 

[35k0]

One of these?

 

[Rusted Nut]

I have never seen a brick column that is then filled with concrete. Wet concrete exerts a lot of pressure, probably enough to blow a brick column apart. There are many ways to attach an LVL to concrete, a steel imbed is probably the best method. Concrete column needs to be anchored at its base securely though.

 

[ddurrett896]

I have never seen a brick column that is then filled with concrete. Wet concrete exerts a lot of pressure, probably enough to blow a brick column apart. There are many ways to attach an LVL to concrete, a steel imbed is probably the best method. Concrete column needs to be anchored at its base securely though.

Going to inset rebar into footer, build brick column, wait a day or 2 for mortar to set, infill with concrete then attached some connector/strap to that rebar.

Similar to this at 7:25

 

[loganb]

Not a mason, but the normal process I see on commercial construction would be to pour the concrete post first with a form, then come back and do the brick or stone pretty work after

 

[WNYflyer]

Not a mason, but the normal process I see on commercial construction would be to pour the concrete post first with a form, then come back and do the brick or stone pretty work after

^^^
Or depending on the size of the column the OP is looking at they could also lay up concrete block (CMU) with vertical steel reinforcing then fill with grout. Attach brick ties to the block joints and face with brick.

 

[gsmith22]

although less common than CMU, you can build piers with a brick and then infill with grout. I've seen it on columns in older buildings from say early 1900s before block became structural (as CMU) and really was non-structural "cinder block". OP says "concrete" but grout is what you use here to infill between the bricks. grout is essentially concrete without the larger stone aggregate. only reason people build a column and then face it with brick is they tend to do what they know and "structural brick" walls, columns, beams have fallen out of favor once structural CMU became standardized. Alos, bricks are smaller than blocks so anything "brick" takes longer to construct than anything "block" and as labor became a larger share of project costs and was attempted to be minimized, blocks became more favorable than bricks. But you can use them both the same.

 

[billconner]

What gsmith22 said.

A neighbor just had something like this done but built wood "box" and applied masonry veneer to it.

Depending on size, for the cost of more bricks, just make it solid brick. I think I'd rather do that than carry buckets of grout up a ladder and pour it in. Of course you could hire it done or get ready mix grout and a pump - but that's all more expensive than extra bricks and mortar unless it's really big.

 

[readhead]

I see something like this often where we install a steel column to support the wood beam and then the brick column can be built at any time.

 

[jack stand]

Backyard "overhand"
Typo?

 

[JWILLIE1977]

I didn't watch the whole video. . . Lost interest after seeing his "work" sneakers. After hearing his definition of grout, as "soupy concrete". . I just turned it off.

Only my opinion, but I would have a second thought at filling your brick column with concrete. The mortar holding the column together needs to resist the outward force of the fluid concrete. The mortar joint may reach desired compressive strength. . But the bond strength of the mortar to the brick is going to be the decision maker.

Around my location, a cubic foot of concrete weighs approx 135 pcf. An 8 foot high brick column, with a 12"x12" hollow cavity, when filled with concrete, would have approx 1000 lbs of force wanting to blow the bottom of that column out.

My thoughts are with the others. . Form and pour the column. . Then brick it.
If you absolutely must build the brick first. . Maybe fill it in several lifts to lessen the force acting outward on the brick.

 

[WNYflyer]

I didn't watch the whole video. . . Lost interest after seeing his "work" sneakers. After hearing his definition of grout, as "soupy concrete". . I just turned it off.

Only my opinion, but I would have a second thought at filling your brick column with concrete. The mortar holding the column together needs to resist the outward force of the fluid concrete. The mortar joint may reach desired compressive strength. . But the bond strength of the mortar to the brick is going to be the decision maker.

Around my location, a cubic foot of concrete weighs approx 135 pcf. An 8 foot high brick column, with a 12"x12" hollow cavity, when filled with concrete, would have approx 1000 lbs of force wanting to blow the bottom of that column out.

My thoughts are with the others. . Form and pour the column. . Then brick it.
If you absolutely must build the brick first. . Maybe fill it in several lifts to lessen the force acting outward on the brick.

Yup, in normal construction whether block construction, wood forms, etc. the lift heights have to be looked at as well as the wait time between lifts.

 

[Joemctag]

Working on a backyard overhang and planning to build brick columns that are then filled with concrete. Need a strap that goes into the concrete then attached to the LVL that will be supported by the column. Anyone have an idea? Thanks!

Do they make LVLs that can be left exposed ?

 

[ddurrett896]

Do they make LVLs that can be left exposed ?

It’s got a roof above it and wrapped in aluminum.

 

[acer66]

Do they make LVLs that can be left exposed ?

Yes.

PWT Treated - Pacific Woodtech Corporation

preservative treated laminated veneer lumber - PWT Treated LVL

pacificwoodtech.com

 

[Joemctag]

I see something like this often where we install a steel column to support the wood beam and then the brick column can be built at any time.

Easiest and probably cheapest. Need an engr anyway. This is how it’d be done on a light commercial structure. LVL is tied down and not going anywhere.