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Performance of soil-nailed wall with three-dimensional geometry: Centrifuge study
| Content Provider | Scilit |
|---|---|
| Author | Sabermahani, M. Moradi, M. Pooresmaeili, A. |
| Copyright Year | 2018 |
| Description | For an irregular shaped excavation, walls deformation pattern is greatly affected by the concave and convex location. The vicinity of convex corners is a problematic zone, and causes problems in everyday practice. In this paper, a series of centrifuge model tests is conducted to investigate the impact of convex corners on the deformation of a soil-nailed walls, and to evaluate the influence of soil-nail layout on wall behavior. In this regard, an excavation with equivalent convex geometry, and different soil-nail layouts were considered, and results were compared with two-dimensional plane strain model. In each test, the centrifugal acceleration was increased gradually to the 40g-level. The observations indicate that deformation pattern of convex corners is thoroughly affected by soil nail horizontal inclination angle, Furthermore, the results show that wall facing plays an effective role in controlling the wall deformations with three-dimensional geometry. This chapter discusses a series of centrifuge model tests is conducted to investigate the impact of convex corners on the deformation of a soil-nailed walls, and to evaluate the influence of soil-nail layout on wall behavior. Soil-nailing is one of the soil reinforcement techniques that can be used to stabilise the excavation walls effectively. An excavation with equivalent convex geometry, and different soil-nail layouts were considered, and results were compared with two-dimensional plane strain model. The observations indicate that deformation pattern of convex corners is thoroughly affected by soil nail horizontal inclination angle, Furthermore, the results show that wall facing plays an effective role in controlling the wall deformations with three-dimensional geometry. The soil-nailed models were instrumented by linearly variable displacement transducers to monitor wall deformation during the test. In each test, the centrifugal acceleration was increased gradually to the 40 g-level. Book Name: Physical Modelling in Geotechnics |
| Related Links | https://content.taylorfrancis.com/books/download?dac=C2018-0-86960-X&isbn=9780429438646&doi=10.1201/9780429438646-76&format=pdf |
| Ending Page | 1252 |
| Page Count | 6 |
| Starting Page | 1247 |
| DOI | 10.1201/9780429438646-76 |
| Language | English |
| Publisher | Informa UK Limited |
| Publisher Date | 2018-07-11 |
| Access Restriction | Open |
| Subject Keyword | Book Name: Physical Modelling in Geotechnics Geological Engineering Excavation Convex Corners Deformation Pattern Soil Nail Effective Role |
| Content Type | Text |
| Resource Type | Chapter |
