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Roundwood Construction Order of Events From Foundation to Crucks

 
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Slowly but surely I'm making way towards starting my roundwood timber frame. With the rubble trench filled, I've already harvested the trees over a month ago and I'm almost done debarking them, and pulling them the last 70 meters to the construction site. I decided I will build my home's frame on large, maybe 1 meter long boulders, which I have yet to order from the quarry. The boulders complicate how I envision the order that things should occur in. Here's how I envision the steps:

  • Assemble the logs so they don't get in the way of the truck bringing in the boulders
  • Order the boulders from the quarry
  • Install the boulders in their final places
  • Make the boulder surfaces for each corner level
  • Build the framebed
  • Build the crucks frames


  • Questions:
    - Where do I build the framebed in correllation to the house? My understanding is to build the framebed where the house will sit.
    - If I build the FB on the house site, should I install the boulders in their final positions, and build the frame bed on top of the boulders?
    - If so, it would be less work to lift the crucks legs onto the final resting positions, however, once I'd construct the first crucks frame, I'd have to move it off the framebed to make room to build the second and final crucks frame, might I run out of space?
    - Am I overcomplicating this?
     
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    Are the boulders going to be set in/on the rubble fill, or outside of it? If outside, I presume you would be digging holes for them so they behave similarly to the rubble in freeze-thaw conditions. I don't see the reason for making a framebed based on the boulders if they are going to be outside the rubble perimeter - that would put some horizontal timbers near grade and exposed to weather. Boulders of that size well bedded should support cruck bases well without base ties to hold them in place. I also would not level (as in flatten off) the boulder tops, if that is what you meant. Making the tops end up at the same level with each other is fine. Rough top surfaces, especially domed so that water runs off from the timber bedding zone, is very good for stability, it just requires scribing the post/cruck bases to fit the rock.
     
    Maruf Miliunas
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    I have filled ~60cmx60cm rubble trenches underneath the corner posts outside of the rubble trench. With boulders on top, I was told it will suffice. I figure I would fill the spaces in between the boulders with smaller rocks and lime, though I'm curious if there's something simpler.

    If I understand you correctly:
    - I the corner boulders in their final places
    - I build the frame bed separately to use as a template, possibly, right below the boulders to have less to move (assuming the boulders wouldn't get in the way of construction)
    - I would prepare the tenon + mortise joints. and build both frames
    - Once the boulders are set, I'd know their height, and how much to cut off each leg of the crucks
    - Once the frames are in place, next would come lift preparation

     
    Maruf Miliunas
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    After more consideration, would it not make more sense to build the framebed first, constructed the crucks frames, then bring in the boulders, and reassemble the framebed around the boulders if needed, then prepare for raise.

    Regarding scribing, how would I transfer the boulder's surface onto the foot of the crucks joint while it's lying, if they're both stationary until lift day? Making a cast molding seems overkill. There must be a simpler way.

    Lastly for now, I thought I've seen this, I could be mistaken – would it make sense to raise the wall posts with the crucks frame as a single piece on raise day?
     
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