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Aesthetic of Construction Joints - Pylon

Aesthetic of Construction Joints - Pylon

Aesthetic of Construction Joints - Pylon

(OP)
I have been requested to assess the aesthetic acceptability of a construction proposal for construction joints between every stay location of a pylon.

I am wondering is a construction joint halfway between each stay location(1.5m c/c) is too much. Or am I being over cautious.

Obviously we will be insisting on property prepared joint surfaces and satisfactory design. I am concerned more about the aesthetics. Have you any thoughts/advise on merit of visible construction joints?

RE: Aesthetic of Construction Joints - Pylon

For something like this which does not affect structural integrity, I would just do what the responsible "aesthetic expert" wants.  I might have an opinion, but usually no one cares what the structural person thinks about aesthetics.

You do not necessarily need a CJ at each location.  The same look could be formed.

In the absense of an "aesthetic expert", I might say that the horizontal scoring between each cable connection looks pretty cool.

 

RE: Aesthetic of Construction Joints - Pylon

(OP)
Thanks Graybeach,

This is a rare time where the structural person has been asked to make a call on the aesthetics!

I note that it's a positive from you. And correct the CJ does not necessarily need to be there. We could insist on less cj's if it was aesthetically merited.

Looking for comments..



 

RE: Aesthetic of Construction Joints - Pylon

graybeach seemed to understand your question, but I don't know what I'm looking at.  What sort of "pylon" and "stay" are you talking about?  Is that a plan view or elevation?

RE: Aesthetic of Construction Joints - Pylon

(OP)
Hi Hokie

It's a rough sketch of a front elevation on the pylon.

The construction lines are the locations of the the proposed Construction joints. The round holes are the stays, as in the approximate cable stay locations.

 

RE: Aesthetic of Construction Joints - Pylon

Ah, I think I get the picture now.  It is a pylon on a cable stayed bridge.  Why didn't you say that?

I would think you would want as few construction joints as possible, but then I'm not a bridge engineer.

RE: Aesthetic of Construction Joints - Pylon

You can have a CJ without the horizontal groove, and you can have horizontal groove without a CJ.  With all the stuff that needs to be installed to support the cable, the contractor might want a CJ between cables, but he might not want it exactly half way between.

I would leave the CJ location to the contractor, and specify grooving based on aesthetics.  I've seen more vertical grooving than horizontal on cable stay towers.

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