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Prototype For Adjustable Height Footing Base Plate & Leg for Small & Light OutBuilding / Shelter Mk 1 & Mk 2. (untested)

MK 1


  Aim

To design a footing  base plate with adjustable height. This is to cope with uneven ground or a flood risk area

Method 

Using a scaffolding 4 tonne  Base Jack (cost £6.5) , turned upside down & inserted into a tube clamp hand rail holder. Then carrying on into a hole, so end is inserted into soft ground.

The base plate is made of 2 layers of cross facing composite door offcuts (top & bottom)  nailed gunned with 75mm nails & glued with Everlast Lumberjack Pu glue (5 min cure)

 A longer section of rebar is inserted as well. to a deeper depth.

Seperate 10-12mm rebar rods may be inserted at an angle if required. Alternatively a concrete fence post beam can be placed on top of the base plate. The concrete beam could be used as thermal mass, perhaps with a heat harvesting fluid pipe system from the roof.



 The base or frame of shelter can be screwed. or preferably bolted to base jack via 4 holes


Side view. This would normally be filled by base sections

Close up of tube clamp, which would be bolted to base plate

.......................................................................................

Mk. 2 





30cm long 48.3mm Dia. aluminium  scaffolding pole with m24mm nuts inserted with hammer / hydraulic press at bothe end. 

3 x  scaffolding base plates have their centre removed with a hammer, and the bolts are threaded though nuts ateither end 





Shows top with base plate removed

 Side view of base (made of composite door off cuts from top & bottom of door)

Underside view


Top down review without top plaste


Unscrewed


Shows nut hammered into tube. Although a tight fit, edges have been bashed over to  stop nut from coming out (testing will determine if thsi is necessary )
Side view showing bolt side. This will be covered with door off cut in situ

Comments

  1. You're a best!! Very well done and explained because i'm trying to set up a aluminium scaffold and it seems a bit difficult... Thanks for the tips Cabinz

    ReplyDelete

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