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Effects of geogrid reinforcement on the static liquefaction behavior of granular fill by triaxial test method
Widjojo A. Prakoso1, Azzah Balqis Sabbah2.
A typical jacked box tunnel usually consists of a precast concrete box tunnel and a steel
nose blade installed in the box front. Two of many design factors for this tunnel type are the
face stability and the face resistance; an increase in face stability is typically accompanied
by an unintended consequence of an increase in face resistance. A series of numerical
analyses was performed to explore the interaction between the face stability and the face
resistance. Three design parameters were considered, namely amount of unexcavated soil
inside box tunnel, nose blade angle and soil depth. Plane strain finite element models were
used to simulate the tunnel jacking process; the software used was Plaxis 2D. The face
stability represented by safety factor is affected mainly in a decreasing order by the amount
of unexcavated soil inside box tunnel and the nose blade angle. However, if a minimum
jacking force is required, an optimal combination of the two design parameters should be
adopted.
Affiliation:
- Universitas Indonesia, Indonesia
- Universitas Indonesia, Indonesia
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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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