 | Home > Off Topic > 'Pier' advice required please |
 
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| Go Beyond Member Since: 30 Jan 2012 Location: Headcorn, Kent Posts: 6678  
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Not entirely off topic
In my garden I have a 'bomb hole / pond' that I have permission from Mrs Fcx.Me to build some sort of 'pier' into. The idea of the 'pier' is for it to consist of two 'gang plank' looking things that are the width of the Trayback - The Trayback is driven on and can then be jetwashed from underneath with the mud dropping off into the 'pond' - The pond is dry for 11 months of the year Question is, what sort of construction do I need to be strong enough and more importantly, safe to be under - Also want it to look 'quite' nice (evidently  )
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29th Mar 2012 9:09am |
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| farmer giles Member Since: 09 Feb 2011 Location: worcestershire Posts: 1299 
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do you want safe but expensive or do you want to chance it and cheap?
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29th Mar 2012 9:15am |
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| farmer giles Member Since: 09 Feb 2011 Location: worcestershire Posts: 1299
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it may be cheeper to get an old car transporter trailer and place that onto glyns telegraph poles.
the poles should be well driven it or have substantial diagonal bracing to prevent collapse. |
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29th Mar 2012 9:27am |
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| Go Beyond Member Since: 30 Jan 2012 Location: Headcorn, Kent Posts: 6678
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Thanks for the replies, 'Safe' (but not too expensive
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The 'pond' is quite wide so posts into the bottom will be required either way. The 'bank' is stepped so actually reasonably 'hard' Telegraph pole idea is a good one ! - Although i'm concerned about the posibility of the structure going sideways rather than collapsing downwards but I dont really want to span between the two as it will limit access. I wondered if there might be an 'engineer' type person out there who could come up with a loadings to thickness of post idea ? |
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29th Mar 2012 9:27am |
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| Go Beyond Member Since: 30 Jan 2012 Location: Headcorn, Kent Posts: 6678
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Not sure Mrs Fcx.Me will go for that 
Any idea how deep we are talking for the posts and thickness ? |
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29th Mar 2012 9:29am |
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| Go Beyond Member Since: 30 Jan 2012 Location: Headcorn, Kent Posts: 6678
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I guess this is the kind of 'look' i'm after (but not as long and two of them)
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29th Mar 2012 9:32am |
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| farmer giles Member Since: 09 Feb 2011 Location: worcestershire Posts: 1299
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railway sleepers maybe more appropriate and accessable; i'm not a structural engineer but i would think that their cross sectional area would have sufficient strength, and as they are treated like telegraph poles they will be more rot resistant.
the depth of burial of the sleepers or telegraph poles will be dependant on you ground conditions, but assume 1/3 burial as a starting point. if you don't go for burial then you could have raking shores instead. i would be concerned about stability issues of twin wheel track piers, i think a single pier with a few more centre gaps would be more appropriate |
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29th Mar 2012 9:52am |
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| Go Beyond Member Since: 30 Jan 2012 Location: Headcorn, Kent Posts: 6678
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Thank you FG
What is a 'raking shore' ? I think you are probably correct about having to make as one structure, I couldn't think of way of stopping the 'cantilever' effect - I guess I could have lift out 'planks' .... |
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29th Mar 2012 10:00am |
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| farmer giles Member Since: 09 Feb 2011 Location: worcestershire Posts: 1299
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Raking shores are like diagonal stabilizers, they would be used to stop the structure collapsing sideways.
you will also need to ensure the structure won't sink when you take your trayback on it. This will depend on the ground bearing strength, but you may need a spreader plate beneath the posts to dissapate the load. |
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29th Mar 2012 1:05pm |
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| Go Beyond Member Since: 30 Jan 2012 Location: Headcorn, Kent Posts: 6678
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Thank you again FG
Lots of useful info, i'll let you all know how I get on |
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29th Mar 2012 1:11pm |
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| AndrewS Member Since: 10 Apr 2007 Location: Hereford Posts: 3709 
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4 poles or trees and bolt 2 'ties' to the underside
Click image to enlarge 130's have feeling's as well you know  |
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29th Mar 2012 1:34pm |
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| Go Beyond Member Since: 30 Jan 2012 Location: Headcorn, Kent Posts: 6678
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Glyn came up with the bridge idea earlier which I dismissed, but now having seen this pic hmmmm
I wonder where you'd get timber that long, more to the point how to get it delivered ??? Thank you |
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29th Mar 2012 1:39pm |
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| BigMike Member Since: 13 Jul 2010 Location: Lancashire Posts: 2253
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Or drop it as a daft idea, jet wash the vehicle anyway then brush the mud towards a drain and wash it away would be the cheapest solution.
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29th Mar 2012 2:11pm |
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| farmer giles Member Since: 09 Feb 2011 Location: worcestershire Posts: 1299
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just found a pic of a timber pier with raking shores |
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29th Mar 2012 2:42pm |
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