Performance Analysis of Nail Walls in Jointed Rocks Based on Excavation-Induced Damage

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NAEIMIFAR I.; Yasrobi Sh.; Uromeie A.; HASHEMI H.

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Paper Information

Journal: JOURNAL OF ENGINEERING GEOLOGY Year:2017 | Volume:10 | Issue:4 Page(s): 3809-3838

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Information Journal Paper

Title

Performance Analysis of Nail Walls in Jointed Rocks Based on Excavation-Induced Damage

Author(s)

NAEIMIFAR I. | Yasrobi Sh. | Uromeie A. | HASHEMI H. | Issue Writer Certificate

Keywords

ExcavationQ1

Nailed WallQ1

PerformanceQ1

DamageQ1

Jointed RockQ1

Abstract

Evaluation of the Excavation-induced ground movements is an important design aspect of supporting system in urban areas. This evaluation process is more critical to the old buildings or sensitive structures exist in the Excavation-affected zone. Frame distortion and crack generation are predictor of building Damage resulted from Excavation-induced ground movements, which pose challenges to projects involving deep Excavations. Geological and geotechnical conditions of Excavation area have significant effects on Excavationinduced ground movements. In some cases, Excavation area may be located in the jointed or weathered rocks. Under such conditions, the geological properties of supported ground becomes more noticed due to the discontinuities and anisotropic effects. This paper is aimed to study the Performance of Excavation walls supported by nails in Jointed Rocks medium. The Performance of Nailed Wall is investigated based on evaluating the Excavation-induced ground movements and Damage levels of structures in the Excavation-affected zone. For this purpose, a set of calibrated 2D finite element models are developed by taking into account the nail-rock-structure interactions, the anisotropic properties of Jointed Rock, and the staged construction process using ABAQUS software. The results of this paper highlight effects of different parameters such as joint inclinations, anisotropy of rocks and nail inclinations on deformation parameters of Excavation wall supported by nails, and induced Damage in the structures adjacent to the Excavation area. The results show that the relationship between Excavation-induced deformation and the level of Damage in the adjacent structure.

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APA: Copy

NAEIMIFAR, I., Yasrobi, Sh., Uromeie, A., & HASHEMI, H.. (2017). Performance Analysis of Nail Walls in Jointed Rocks Based on Excavation-Induced Damage. JOURNAL OF ENGINEERING GEOLOGY, 10(4 ), 3809-3838. SID. https://sid.ir/paper/186316/en

Vancouver: Copy

NAEIMIFAR I., Yasrobi Sh., Uromeie A., HASHEMI H.. Performance Analysis of Nail Walls in Jointed Rocks Based on Excavation-Induced Damage. JOURNAL OF ENGINEERING GEOLOGY[Internet]. 2017;10(4 ):3809-3838. Available from: https://sid.ir/paper/186316/en

IEEE: Copy

I. NAEIMIFAR, Sh. Yasrobi, A. Uromeie, and H. HASHEMI, “Performance Analysis of Nail Walls in Jointed Rocks Based on Excavation-Induced Damage,” JOURNAL OF ENGINEERING GEOLOGY, vol. 10, no. 4 , pp. 3809–3838, 2017, [Online]. Available: https://sid.ir/paper/186316/en

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