Paper · 2011 · https://www.researchgate.net/profile/Faisal_Ali17/publication/235439077_Soil-root_Shear_Strength_Properties_of_Some_Slope_Plants/links/54581e6d0cf2cf51648226e6.pdf?origin%3Dpublication_detail

Soil-root Shear Strength Properties of Some Slope Plants

Normaniza Osman

5
claims
5
verbatim quotes
37
citations
2
research areas
—
Not open access

Abstract

Rapid development in hilly areas in Malaysia has become a trend that put a stress to the sloping area. It reduces the factor of safety by reducing the resistant force and therefore leads to slope failure. Vegetation plays a big role in reinforcement functions via anchoring the soils and forms a binding network within the soil layer that tied the soil masses together. In this research, three plant species namely Acacia mangium, Dillenia suffruticosa and Leucaena leucocephala were assessed in term of their soil-root shear strength properties. Our results showed that Acacia mangium had the highest shear strength values, 30.4 kPa and 50.2 kPa at loads 13.3 kPa and 24.3 kPa, respectively. Leucaena leucocephala showed the highest in cohesion factor, which was almost double the value in those of Dillenia suffruticosa and Acacia mangium. The root profile analysis indicated Dillenia suffruticosa exhibited the highest values in both root length density and root volume, whilst Leucaena leucocephala had the highest average of root diameter.

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Claims 5

Observationobservedoriginal resultmeasured

Claim · model-written summary

Acacia mangium had the highest soil-root shear strength, 30.4 kPa at a load of 13.3 kPa.

Taxon
Acacia mangiumAcacia mangiume1
Outcome
shear strengthe1
Direction
higheste1
Value
30.4 kPae1
Qualifier
13.3 kPae1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Acacia mangium
Acacia mangium · TaxonRodrigo Padula · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“Acacia mangium had the highest shear strength values, 30.4 kPa and 50.2 kPa at loads 13.3 kPa and 24.3 kPa, respectively”

✓ located verbatim in the source · abstract, characters 571–691 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Acacia mangium had the highest soil-root shear strength, 50.2 kPa at a load of 24.3 kPa.

Taxon
Acacia mangiumAcacia mangiume1
Outcome
shear strengthe1
Direction
higheste1
Value
50.2 kPae1
Qualifier
24.3 kPae1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Acacia mangium
Acacia mangium · TaxonRodrigo Padula · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“Acacia mangium had the highest shear strength values, 30.4 kPa and 50.2 kPa at loads 13.3 kPa and 24.3 kPa, respectively”

✓ located verbatim in the source · abstract, characters 571–691 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Leucaena leucocephala had a cohesion factor almost double that of Dillenia suffruticosa and Acacia mangium.

Taxon
Leucaena leucocephalaLeucaena leucocephalae2
Outcome
cohesion factore2
Direction
higheste2
Value
almost doublee2
Comparator
Dillenia suffruticosa and Acacia mangiume2

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Leucaena leucocephala
Leucaena leucocephala · TaxonAris riyanto · CC BY 3.0 · Wikimedia Commons ↗

Verbatim

e2

“Leucaena leucocephala showed the highest in cohesion factor, which was almost double the value in those of Dillenia suffruticosa and Acacia mangium”

✓ located verbatim in the source · abstract, characters 693–840 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Dillenia suffruticosa had the highest root length density and root volume.

Taxon
Dillenia suffruticosaDillenia suffruticosae3
Outcome
root length density and root volumee3
Direction
higheste3

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Dillenia suffruticosa
Dillenia suffruticosa · TaxonWibowo Djatmiko ( Wie146 ) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e3

“The root profile analysis indicated Dillenia suffruticosa exhibited the highest values in both root length density and root volume”

✓ located verbatim in the source · abstract, characters 842–972 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Leucaena leucocephala had the highest average root diameter.

Taxon
Leucaena leucocephalaLeucaena leucocephalae4
Outcome
average of root diametere4
Direction
higheste4

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Leucaena leucocephala
Leucaena leucocephala · TaxonAris riyanto · CC BY 3.0 · Wikimedia Commons ↗

Verbatim

e4

“Leucaena leucocephala had the highest average of root diameter”

✓ located verbatim in the source · abstract, characters 981–1043 · show in text ↑