Abstract
A study was undertaken on the green moisture content, basic density and shrinkage properties for the wood of five Ghanaian species: Alstonia boonei (Sinduro), Antrocaryon micraster (Aprokuma), Bombax buonopozense (Akata), Dialium aubrevillei (Duabankye) and Sterculia rhinopetala (Wawabima). The overall green moisture content of the wood species ranged from a low of 51-52% (for D. aubrevillei and A. micraster) to a high of 177% (for B. buonopozense), while the overall mean basic density of the wood species ranged from a low of 366 kg/m3 (for B. buonopozense) to a high of 738 kg/m3 (for A. micraster). Green moisture content appeared to be inversely proportional to the basic density with a correlation coefficient of -0.962. Mean total tangential shrinkage was medium (4.6-4.7%) in A. boonei and B. buonopozense, and very large (9.0-10.3%) in S. rhinopetala, D. aubrevillei and A. micraster. Mean partial tangential shrinkage were small (2.7%) in A. boonei and B. buonopozense, medium (5.0%) in S. rhinopetala and D. aubrevillei, and large (6.1%) in A. micraster. Mean total radial shrinkage was medium (3.6-3.9%) in B. buonopozense and A. boonei, large (4.4%) in S. rhinopetala, and very large (5.3-6.3%) in D. aubrevillei and A. micraster; and mean partial radial shrinkage was medium (2.0-2.5%) in A. boonei, B. buonopozense, D. aubrevillei and S. rhinopetala, and large in A. micraster (3.5%). Except for A. micraster (~ 0.65%) total longitudinal shrinkage was typically less than 0.4%.Keywords: Moisture content, basic density, shrinkage characteristics
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Claims 17
Claim · model-written summary
D. aubrevillei and A. micraster had the lowest green moisture content, 51-52%.
- Taxon
- D. aubrevillei and A. micrasterAntrocaryon micrasterDialium aubrevilleie0
- Outcome
- green moisture contente0
- Direction
- lowe0
- Value
- 51-52%e0
Verbatim
e0“The overall green moisture content of the wood species ranged from a low of 51-52% (for D. aubrevillei and A. micraster)”
Claim · model-written summary
B. buonopozense had the highest green moisture content, 177%.
- Taxon
- B. buonopozense
Bombax buonopozensee0 - Outcome
- highe0
- Value
- 177%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a high of 177% (for B. buonopozense)”
Claim · model-written summary
B. buonopozense had the lowest basic density, 366 kg/m3.
- Taxon
- B. buonopozenseBombax buonopozensee0
- Outcome
- basic densitye0
- Value
- 366 kg/m3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“basic density of the wood species ranged from a low of 366 kg/m3 (for B. buonopozense)”
Claim · model-written summary
A. micraster had the highest basic density, 738 kg/m3.
- Taxon
- A. micrasterAntrocaryon micrastere0
- Outcome
- highe0
- Value
- 738 kg/m3e0
Verbatim
e0“a high of 738 kg/m3 (for A. micraster)”
Claim · model-written summary
Green moisture content and basic density were inversely related, with correlation -0.962.
- Taxon
- Alstonia boonei
Alstonia booneit0 - Outcome
- Green moisture contente0
- Direction
- inversely proportionale0
- Value
- -0.962e0
- Comparator
- basic densitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Green moisture content appeared to be inversely proportional to the basic density with a correlation coefficient of -0.962”
t0“Alstonia boonei”
Claim · model-written summary
Total tangential shrinkage was medium in A. boonei and B. buonopozense at 4.6-4.7%.
- Taxon
- A. boonei and B. buonopozenseBombax buonopozenseAlstonia booneie0
- Outcome
- total tangential shrinkagee0
- Value
- 4.6-4.7%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mean total tangential shrinkage was medium (4.6-4.7%) in A. boonei and B. buonopozense”
Claim · model-written summary
Total tangential shrinkage was very large in three species at 9.0-10.3%.
- Taxon
- S. rhinopetala, D. aubrevillei and A. micrasterAntrocaryon micrasterSterculia rhinopetalaDialium aubrevilleie0
- Outcome
- very largee0
- Value
- 9.0-10.3%e0
Verbatim
e0“very large (9.0-10.3%) in S. rhinopetala, D. aubrevillei and A. micraster”
Claim · model-written summary
Partial tangential shrinkage was small, 2.7%, in A. boonei and B. buonopozense.
- Taxon
- A. boonei and B. buonopozenseBombax buonopozenseAlstonia booneie0
- Outcome
- partial tangential shrinkagee0
- Value
- 2.7%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mean partial tangential shrinkage were small (2.7%) in A. boonei and B. buonopozense”
Claim · model-written summary
Partial tangential shrinkage was medium, 5.0%, in S. rhinopetala and D. aubrevillei.
- Taxon
- S. rhinopetala and D. aubrevilleiSterculia rhinopetalaDialium aubrevilleie0
- Outcome
- mediume0
- Value
- 5.0%e0
Verbatim
e0“medium (5.0%) in S. rhinopetala and D. aubrevillei”
Claim · model-written summary
Partial tangential shrinkage was large, 6.1%, in A. micraster.
- Taxon
- A. micrasterAntrocaryon micrastere0
- Outcome
- largee0
- Value
- 6.1%e0
Verbatim
e0“large (6.1%) in A. micraster”
Claim · model-written summary
Total radial shrinkage was medium, 3.6-3.9%, in B. buonopozense and A. boonei.
- Taxon
- B. buonopozense and A. booneiBombax buonopozenseAlstonia booneie0
- Outcome
- total radial shrinkagee0
- Value
- 3.6-3.9%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mean total radial shrinkage was medium (3.6-3.9%) in B. buonopozense and A. boonei”
Claim · model-written summary
Total radial shrinkage was large, 4.4%, in S. rhinopetala.
- Taxon
- S. rhinopetalaSterculia rhinopetalae0
- Outcome
- largee0
- Value
- 4.4%e0
Verbatim
e0“large (4.4%) in S. rhinopetala”
Claim · model-written summary
Total radial shrinkage was very large, 5.3-6.3%, in D. aubrevillei and A. micraster.
- Taxon
- D. aubrevillei and A. micrasterAntrocaryon micrasterDialium aubrevilleie0
- Outcome
- very largee0
- Value
- 5.3-6.3%e0
Verbatim
e0“very large (5.3-6.3%) in D. aubrevillei and A. micraster”
Claim · model-written summary
Partial radial shrinkage was medium, 2.0-2.5%, in four species.
- Taxon
- A. boonei, B. buonopozense, D. aubrevillei and S. rhinopetalaBombax buonopozenseAlstonia booneiSterculia rhinopetalaDialium aubrevilleie0
- Outcome
- partial radial shrinkagee0
- Value
- 2.0-2.5%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mean partial radial shrinkage was medium (2.0-2.5%) in A. boonei, B. buonopozense, D. aubrevillei and S. rhinopetala”
Claim · model-written summary
Partial radial shrinkage was large, 3.5%, in A. micraster.
- Taxon
- A. micrasterAntrocaryon micrastere0
- Outcome
- largee0
- Value
- 3.5%e0
Verbatim
e0“large in A. micraster (3.5%)”
Claim · model-written summary
Total longitudinal shrinkage in A. micraster was about 0.65%.
- Taxon
- A. micrasterAntrocaryon micrastere0
- Outcome
- total longitudinal shrinkagee0
- Value
- ~ 0.65%e0
Verbatim
e0“Except for A. micraster (~ 0.65%) total longitudinal shrinkage was typically less than 0.4%”
Claim · model-written summary
Total longitudinal shrinkage in other species was typically under 0.4%.
- Taxon
- Alstonia booneiAlstonia booneit0
- Outcome
- total longitudinal shrinkagee0
- Direction
- less thane0
- Value
- 0.4%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“total longitudinal shrinkage was typically less than 0.4%”
t0“Alstonia boonei”