durability of bamboo — guadua bamboo
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Stéphane Schröder (/preservation/?author=53407b1be4b01b8f6b772224) · November
30, 2014 (/preservation/durability-of-bamboo)
Durability of BambooWithout any protective treatment, most bamboo species have an average natural
durability of less than 2 years. Stored under cover, untreated bamboo may last 4-7 years.
These variations in bamboo durability strongly depend on the species, the length of the
culm, the thickness of the wall, but also, and equally important, the time of harvesting
(/cultivation/when-and-how-to-harvest-bamboo).
The lower portion of the bamboo culm is
considered more durable, while the soft
inner part of the wall deteriorates faster
than the outer harder portion. This is
related to the anatomical and chemical
nature of the woody cells. Although some
of the characteristics of bamboo resemble
those of wood, its growth characteristics
and microstructure is different. Unlike
timber varieties like teak, the structure of
bamboo is void of toxic deposits.
The large amounts of starch present in bamboo makes it highly attractive to mold and
fungi, termites and powder-post beetles. They cause much damage during drying,
storage, and subsequent use. Tests have also shown that bamboo is more prone to soft
rot and white rot attack than to brown rot.
Bamboo consists of 50-70% hemicellulose, 30% pentosans, and 20-25% lignin. The lignin
present in bamboos is unique, and undergoes changes during the growth of the
culm. Bamboo is also known to be rich in silica (0.5 to 4%), but the entire silica is
located in the outer layer (1 mm), with hardly any silica in the rest of the wall. Bamboos
also have minor amounts of waxes, resins and tannins, but none of these have enough
toxicity to improve its natural durability.
The Importance Bamboo Preservation
Many developing counties (where most
Preservation
Chemical Treatment
(/preservation/?
tag=Chemical+Treatment)
Drying Bamboo
(/preservation/?
tag=Drying+Bamboo)
Durability of Bamboo
(/preservation/?
tag=Durability+of+Bamboo)
Insect Infestation
(/preservation/?
tag=Insect+Infestation)
Leaching Bamboo
(/preservation/?
tag=Leaching+Bamboo)
Mold and Fungus
(/preservation/?
tag=Mold+and+Fungus)
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Untreated Bamboo Poles
Bamboo Preservation (/preservation/?category=Bamboo+Preservation)
Durability of Bamboo
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Tagged: Durability of Bamboo (/preservation/?tag=Durability+of+Bamboo)
Why is the "Bamboo Preservation" done horizontal and not vertical or in a angel?
Now many air will stay in the bamboo and where there is air there is no liquid?
Thanks.
Older Post
Bamboo Insect Infestation
(/preservation/bamboo-insect-infestation)
Many developing counties (where most
bamboos grow) suffer a lack of
awareness and professional
treatment facilities. Furthermore, not all
curing methods ensure satisfying results
which leads to uncertainties about the
advantages of using bamboo all together.
A lot of bamboos used for structural
purposes in rural housing are untreated
(or the wrong species) and deteriorate in
just a couple of years, hence the reason
bamboo is still considered as a poor
man's timber.
Not only does the incorrect use affect the
reputation of bamboo, it also puts heavy
pressure on the resource, since frequent
replacement is necessary.
Chemical preservatives (/preservation/chemical-bamboo-preservation) should be used
to protect bamboo products from such degradation. These are well established methods
providing good protection even in adverse conditions.
The selection of the appropriate treatment method depends on various factors:
State of the bamboo; green or dry.
Form of the bamboo: round bamboo or splits.
End applications; in ground contact, exposed to atmosphere, undercover,
structural/non-structural.
Scale; quantity to be treated and available time.
Potential causes of decay; biotic (fungus/insects) and abiotic (cracks/weathering).
We think it is important to promote the correct use of bamboo in order to increase the
durability, utilization, and popularity of this versatile and environmentally friendly material.
Increasing the shelve-life of bamboo to 50 years or more is certainly possible by
applying the appropriate treatments which is also more economical and sustainable in
the long run.
RECOMMENDED FOR YOU
Durability of Bamboo(/preservation/durability-of-bamboo)
Bamboo Insect Infestation(/preservation/bamboo-insect-infestation)
How to Remove BambooMold (/preservation/how-to-remove-bamboo-mold)
Leaching Bamboo(/preservation/leaching-bamboo)
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Albert000 8 months ago
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