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Laboratory footing test on partially saturated sandy soil
Nyuin, J.D1, Md Noor, M.J2, Ashaarib, Y3, Petrus, C4, Albar, A5.
Conventional analysis and design of shallow foundation are based on the assumption that
the soil is under fully saturated condition. However, shallow foundations are typically
constructed near the ground surface where the soil is under partially saturated condition.
Therefore, more research to investigate the behaviour of shallow foundation in unsaturated
soil is very essential in order to aid engineers in making good analysis and design. This paper
presents a series of laboratory footing tests conducted on unsaturated sandy soil. A specially
designed test tank was fabricated for the test. Square footings of two different sizes (100 mm
x 100 mm and 150 mm x150 mm) were used and loaded on Rawang sand which has
residual suction value of 10 kPa. The measured values of matric suction of the soil in the test
tank were in the range of 0 to 30 kPa. Based on the results, it was observed that bearing
capacities of shallow foundation under fully saturated condition were the lowest compared
to soil under unsaturated conditions. The highest values were measured at matric suction
equals to residual suction (i.e 10 kPa). Furthermore, the relationship between the bearing
capacities of shallow foundation with the matric suction was observed to be non-linear.
Affiliation:
- Universiti Teknologi MARA, Malaysia
- Universiti Teknologi MARA, Malaysia
- Universiti Teknologi MARA, Malaysia
- Universiti Teknologi MARA, Malaysia
- Universiti Teknologi MARA, Malaysia
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Indexation |
Indexed by |
MyJurnal (2021) |
H-Index
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6 |
Immediacy Index
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0.000 |
Rank |
0 |
Indexed by |
Scopus 2020 |
Impact Factor
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CiteScore (1.4) |
Rank |
Q3 (Engineering (all)) |
Additional Information |
SJR (0.191) |
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