Glass reinforced concrete columns

[Welderpaul]

We're doing some work on a large Grade 1 listed building. Once the structural steel was erected, we were asked if we knew anyone who could form some replica cast iron columns. 40 to do.

Always up for a challenge, we arranged for a 3D scan of an existing column, some CAD trickery to obtain CNC toolpath data, used a 5 axis mill to form male moulds, cast female rubber moulds off these, then cast the columns in glass reinforced concrete.
The columns are split into 3 pieces, the base, and finial which are standard items, then the central fluted part is cut to suit the overall height of our structure behind.

People seem fairly impressed, which is always good.

Another 60 to do on Phase 2.

 

[gaz1]

have you taken that cast image from leeds market ?

from there cast iron pillars

theres a few others around that still exist like bandstands and old market places from halifax to huddersfield and saltaire including harrogate mainstreet

 

[Leecapri83]

That's amazing, great to see modern technology being put to good use.

 

[Gritineye]

Those are rather excellent, how did you achieve the rust pitting?

 

[Welderpaul]

Those are rather excellent, how did you achieve the rust pitting?

They have had a light blast to try match the texture as far as possible.

 

[Welderpaul]

have you taken that cast image from leeds market ?

You have a keen eye Gaz, you are correct.

 

[Ton-up]

They look great but I'm surprised they don't cover the steelwork.

 

[Welderpaul]

They look great but I'm surprised they don't cover the steelwork.

Agreed, but the existing is like that

 

[Erie Fred]

They look great but I'm surprised they don't cover the steelwork.

They will fix it with spackling.....

 

[gaz1]

You have a keen eye Gaz, you are correct.

so the others can see bottom left of the pic used on the shop fronts of the market

 

[Erie Fred]

The John Deere green ones.....

 

[bricol]

so the others can see bottom left of the pic used on the shop fronts of the market

View attachment 406893

Many tired, annoying, "wasted" minutes being dragged around that place as a kid . . . a place I hated trying to get through the narrow, tall, heavy, strongly sprung double swing doors that seemed to have it in for a lightweight southern kid simply trying to get in, or out . . . the place where I learnt the General Lee was orange by staring at the die-cast models we couldn't afford through the back window of the toy shop . . . and where I bought numerous 7" singles when a bit older (which I still have today)

 

[500e]

Very nice job the execution of the thought and top notch, the central section being adjustable Ace @Welderpaul, would think there is more work for that concept (roman baths in Bath etc.)

 

[Shox Dr]

@Welderpaul. They look very nice. Will two mate to make a full one?

 

[tom2207]

very nice job ,, looks original and thats as good as it gets ,,, Ill bet they are eye wateringly expensive though , but its grade 1 so it has to be right , and they certainly look right.

 

[Erie Fred]

very nice job ,, looks original and thats as good as it gets ,,, Ill bet they are eye wateringly expensive though , but its grade 1 so it has to be right , and they certainly look right.

I'm thinking the alternative after scanning would have been an e-mail with the files to India/Pakistan for cast iron of dubious quality.

The concrete idea is a good one, sort of a "room temp casting", that can still be done locally.

 

[gaz1]

Many tired, annoying, "wasted" minutes being dragged around that place as a kid . . . a place I hated trying to get through the narrow, tall, heavy, strongly sprung double swing doors that seemed to have it in for a lightweight southern kid simply trying to get in, or out . . . the place where I learnt the General Lee was orange by staring at the die-cast models we couldn't afford through the back window of the toy shop . . . and where I bought numerous 7" singles when a bit older (which I still have today)

to be honest never went in that dump of a place when i was a kid always prefered wool exchange flea market/second hand place or outside second hand market on a thursday

bradford had its own wool exchange and second hand market in there until it was ruined by a glass wall and its now a solicitors office instead

huddersfield market on tuesday and saturday its how i remember the cast pillars though that top swirl nearly threw me as i more recognise it for being used for bandstands

harrogate has similar cast posts as well

the market has been ruined though it used to go right down to the bottom of the building when i was last there it didnt as you could always see the market from outside at the bottom

 

[Farside]

The John Deere green ones.....

Corpy Green over here.

 

[arther dailey]

very nice, suprised you didnt get one of the foundariesto do them in cast iron though

 

[gaz1]

@Welderpaul

did you get your sandwhiches from that cafe ?

did you try the chicken ticka with salad as thats really nice from that shop or was when i was in the area for 2 months

but to give you an idea what i was doing close to there only across the road

heres the shop my hands are well and truly on that build with multipul jobs

we did the front glass fitting the frame and internals before the barbers

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