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Nature
Switched On
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introduction |
a S T A M M E R project 2008 October 25 & 26, Saturday & Sunday Autumn has begun and it behaves as it should:
with a lot of rain. The vegetation reacts wonderfully, adopting a
fresh green colour as if it were a second spring. The showers
haven't been torrential yet and the ponds are not completely filled.
This is perhaps a mayor disadvantage of using load bearing straw bale walls ('Nebraska' method) especially if you can only work at weekends: the structure is too much and too long exposed to inclement weather.
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The wrapping with PE sheets was not completely waterproof. |
The water in the upper pond is crystal clear. |
The European nettle tree (Celtis
australis) on the right is turning yellow. Photograph taken on 19 Oct. 16:55 |
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A typical autumn morning : fog in the lower and
colder surrounding valleys. |
Interior of the garden house
with the enforced door section. Bales in the centre serve as scaffolds. Photograph taken on 19 Oct. 8.40 |
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This weekend we started with the arrangement of some scaffolding around the garden house and then we put the ring beams on top of the walls. They are used to (pre-)pressure the straw bale walls and they will support the roof. They are an exact copy of the structure below the bale walls and were made one month ago.
When we fixed and tensed the first straps around the walls and made a first checking of the correct wall heights, there was a nice surprise: they were exactly level. Considering the irregular straw bales and different strap tensions, this is really a small wonder.
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Scaffolds and ring beams in place. |
Detail of the ring beam, with EPDM sheet to protect the bale
wall and the beam sections joined with two bolts. |
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Level! |
This corner of 43º causes some
headaches with the strawbales and is not recommended. Sunday 11:08 |
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Before fixing all the straps (which are positioned with spaces of
about 50 cm in between) it is recommendable to 'shave' the interior and
exterior of the walls with a hedge trimmer (or weedwhacker). The
idea is to take away any loose straw and, to a minor extent, shape
some bales that need to. Care must be taken not to cut the straps or
the bale strings. |
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This Cordstrap works really
nice. It is normally used for packaging and is tensioned with a
special tensor. The provider in Zaragoza (Pivalco) insisted that wood will break before the strapping. Sunday 14:43 |
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This plant, Hemp agrimony (Eupatorium cannabinum), I sowed at the end of last year's summer and it finally appeared one year later. It is remarkable low (40 cm) for being in the flower stage. The plants I took the seed from (near the river Susia in Huesca, Aragon) were also relatively low, much lower than the ones I know from Holland where they can easily reach 2 metres. It is probably an effect of low nutrient conditions. |
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Eupatorium cannabinum in the upper
pond. |
Close-up of the composite
flowers of Eupatorium cannabinum. Photograph taken on 19 Oct. 8:53 |
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Lunch time. |
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Tucked in for the rain. Sunday 17:57 |
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introduction
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Latest revision on: 01/08/2018