Sorry about the partial collapse of your building but when and how did it occur.

A closer look at the building shows there are no columns on the building, the floor slab thickness is too small and I guess the mix ratios for the mortar and concrete works were weak as well. Your building was poorly constructed..The quality of workmanship here is poor and not the size the sandcrete blocks.

You need to discontinue the construction and get a structural engineer to do a comprehensive assessment of your building.

FreeConCiencE:


Please, advice is needed. What should I do now because he is saying he would go back to the site tomorrow

Mmotimo is back but this time with very good insight and contribution.
I accept the belated 'Happy Fathers' Day'. Thank you!

Aforxzy:
Sorry about the partial collapse of your building but when and how did it occur.

A closer look at the building shows there are no columns on the building, the floor slab thickness is too small and I guess the mix ratios for the mortar and concrete works were weak as well. Your building was poorly constructed..The quality of workmanship here is poor and not the size the sandcrete blocks.

You need to discontinue the construction and get a structural engineer to do a comprehensive assessment of your building.

It got to this present stage last 2weeks.
THANKS

Please guys what are the prevailing prices of Steel rods: 16mm, 12 mm and 8mm?

KelvinCoaster:
Mmotimo is back but this time with very good insight and contribution.

I accept the belated 'Happy Fathers' Day'.
Thank you!

Haha....in my mind I was like....ooo no not another blow on n3xt....totally surprised with that happy father's day wishes ..
I will take that also...
Thank you

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Aforxzy:
Sorry about the partial collapse of your building but when and how did it occur.

A closer look at the building shows there are no columns on the building, the floor slab thickness is too small and I guess the mix ratios for the mortar and concrete works were weak as well. Your building was poorly constructed..The quality of workmanship here is poor and not the size the sandcrete blocks.

You need to discontinue the construction and get a structural engineer to do a comprehensive assessment of your building.

I laugh whenever I read some of these self acclaimed jack of all trades profesionals capitalize on the size of blocks in building constructions.
For crying out loud, the size of blocks has nothing to do with the strength or weakness of a structure. What matters is the strength of the blocks irrespective of the size.
I have seen a storey building constructed with 5" solid blocks and as I type, that house is still standing and has stood for more than 20years without any single crack.

So, recommending 100 inch size of blocks for a client just to appear more professional solves no problem

FreeConCiencE:

Should I accept that they correct the errors and move on?

It's sad that this happened.

Lack of sufficient columns is responsible for this.
Loads were placed on non-load bearing walls.
Concrete fascia possesses it's on weight and I am guessing that it rained during this period leading to even more weight than those blocks could carry.

A lot of people consider a structural plan unnecessary for a bungalow, they further make the mistake of giving the project to someone who doesn't know how to pull the job off in the absence of a structural plan.

To remedy your situation, you might have to do away with the concrete fascia, raise the block work and roof that way.

Hatesin:


I laugh whenever I read some of these self acclaimed jack of all trades profesionals capitalize on the size of blocks in building constructions.
For crying out loud, the size of blocks has nothing to do with the strength or weakness of a structure. What matters is the strength of the blocks irrespective of the size.
I have seen a storey building constructed with 5" solid blocks and as I type, that house is still standing and has stood for more than 20years without any single crack.

So, recommending 100 inch size of blocks for a client just to appear more professional solves no problem

Irrespective of the strength, non load bearing blocks shouldn't be carrying load in any case.

This is why the frame model is often the best, where load gets transferred from beams to columns and then to the foundation and blocks act as partitions.

FreeConCiencE:


It got to this present stage last 2weeks.
THANKS

Really sorry that you are going through this. I can only imagine the pain in your heart. Stay strong and push your project forward again. Hopefully the architect pays some damages too.

sconp:


Irrespective of the strength, non load bearing blocks shouldn't be carrying load in any case.

This is why the frame model is often the best, where load gets transferred from beams to columns and then to the foundation and blocks act as partitions.

Smart answer. I use this technique and do not compromise requirements of bearing strength and reinforcements. May be more expensive, but at least i can sleep well
In that case, you only need to worry about your foundation vis a vis geotechnical requirements.. (which also you must take care of too!)

sconp:


Irrespective of the strength, non load bearing blocks shouldn't be carrying load in any case.

This is why the frame model is often the best, where load gets transferred from beams to columns and then to the foundation and blocks act as partitions.

Are you now referring to the external walls as a non load bearing wall and that was why the parapet partially collapsed and probably the parapet should have been placed on the internal walls? You sure do know what you're posting and that is why the frame model is the best for a bungalow house!!!! Are you for real?
And you certainly did comment the thoughts of others based on the likes you got........keep it going.

It's not China, it's not Chinese engineers, it's not prefab homes.

Na America, American engineers and it's conventional building.


It collapsed

bixton:


Your advice counts.
But all that precedes it is a fallacy of generalization and myth.

Thats why Its MY advice.

Shaped by my own experience in construction.

Yours will be different, shaped by your own experience.

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michlins:
It's not China, it's not Chinese engineers, it's not prefab homes.

Na America, American engineers and it's conventional building.


It collapsed

Built in 1981... More than 40 years old..

This your post doesn't support the vilification / vituperation of American Engineers.

If you compare and contrast Europeans and Chinese in terms of building standards vis a vis failure rate, they are not the same and that's facts.

michlins:
It's not China, it's not Chinese engineers, it's not prefab homes.

Na America, American engineers and it's conventional building.


It collapsed

Even with good road network and Maintenance of accurate speed, vehicles still get involved in accident, trains derial from their tracks.
Accident happens.

Hatesin:


I laugh whenever I read some of these self acclaimed jack of all trades profesionals capitalize on the size of blocks in building constructions.
For crying out loud, the size of blocks has nothing to do with the strength or weakness of a structure. What matters is the strength of the blocks irrespective of the size.
I have seen a storey building constructed with 5" solid blocks and as I type, that house is still standing and has stood for more than 20years without any single crack.

So, recommending 100 inch size of blocks for a client just to appear more professional solves no problem

Oga Engineer, if it doesnt matter entirely, do your next multi-storey build with 3 inch hollow blocks... and make sure they carry dead loads e.g beams...

bixton:


Are you now referring to the external walls as a non load bearing wall and that was why the parapet partially collapsed and probably the parapet should have been placed on the internal walls? You sure do know what you're posting and that is why the frame model is the best for a bungalow house!!!! Are you for real?
And you certainly did comment the thoughts of others based on the likes you got........keep it going.

I think you didn't quite get my point, you might have to read that post again.

Both internal walls and external walls were made with 6inch hollow blocks which are non-load bearing , what this means is that they are not expected to carry loads. Blocks are not designed to carry loads.

You also probably don't understand what I mean by a frame model. If this build was a framed model, beams would have been rigidly connected to one another and then to the column and then the footing.

At the moment, as far as I know, the frame method is the best for different kind of builds, from bungalows to high rise structures.

KolaShangOne:


Oga Engineer, if it doesnt matter entirely, do your next multi-storey build with 3 inch hollow blocks... and make sure they carry dead loads e.g beams...

Leave him sir.
Stalking is his hubby.

michlins:
It's not China, it's not Chinese engineers, it's not prefab homes.

Na America, American engineers and it's conventional building.


It collapsed

You have no proof of this Sir.

I’ve been on sites where everyone was Chinese. I’ve been sites where everyone was Mexicans. In America.

OAKGroup:

Leave him sir.
Stalking is his hubby.

Why are you personally hurt by a simple fact?

KolaShangOne:


Oga Engineer, if it doesnt matter entirely, do your next multi-storey build with 3 inch hollow blocks... and make sure they carry dead loads e.g beams...

By their quotes you will know them.
It's your type that would tell a client to get 100 inches blocks and forget about columns not knowing that a structure can stand without a single block

sgtponzihater1:


Really sorry that you are going through this. I can only imagine the pain in your heart. Stay strong and push your project forward again. Hopefully the architect pays some damages too.

Thanks

Officer on deck. Attention

sconp:


I think you didn't quite get my point, you might have to read that post again.

Both internal walls and external walls were made with 6inch hollow blocks which are non-load bearing , what this means is that they are not expected to carry loads. Blocks are not designed to carry loads.

You also probably don't understand what I mean by a frame model. If this build was a framed model, beams would have been rigidly connected to one another and then to the column and then the footing.

At the moment, as far as I know, the frame method is the best for different kind of builds, from bungalows to high rise structures.

I got your explanation completely.
As false as it is.

KolaShangOne:


Thats why Its MY advice.

Shaped by my own experience in construction.

Yours will be different, shaped by your own experience.

Well my advice to you is that don't do an experiment on a clients build again. So if a mishap happen you don't go blaming the client.

bixton:


Well my advice to you is that don't do an experiment on a clients build again. So if a mishap happen you don't go blaming the client.

The build I posted is an Experimental build.

It wholly belongs to my construction company..

I'm trying several things on it.

- 6" block foundation. Surface.
- Concrete fascia on 6" blocks
- 2.5m iron span (unsupported)
- 8ft doors
- electrical piping before casting lintels so we dont have to break lintels.
- Fire blanket nailed to kitchen ceiling to stop fire spread.
-Full house automation using Alexa

Etc etc..

Oga Bixton.. further discussions when I come to Port Harcourt.

Hatesin:


By their quotes you will know them.
It's your type that would tell a client to get 100 inches blocks and forget about columns not knowing that a structure can stand without a single block

What are you even saying?