Numerical and Experimental Study of Soil-structure Interaction in Structures Resting on Loose Soil Using Laminar Shear Box

Sarlak, A; Saeedmonir, H.; Gheyretmand, C.

doi:10.5829/ije.2017.30.11b.05

Cited by 2 publications

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“…From here, experimental testing evolved to using shake table testing. A shake table is a device that can replicate or produce seismic motions while a laminar soil box is a rigid container that is filled with soil and can mimic soil layers (Sarlak et. al, 2017).…”

Section: Ssimentioning

confidence: 99%

“…For this experimental test approach, a scaled structure is placed onto of the soil base. As a full-scale system is not feasible for most specimens, the structure must be scaled down using Meymand scaling law relations (Sarlak et. al, 2017).…”

Section: Ssimentioning

confidence: 99%

“…Winkler Beam Method, Lumped Parameter Method, and the Finite Element Method (FEM). To model the soil, the Winkler method uses independent, closely spaced, elastic springs, the Lumped Parameter Method uses three translational and rotational springs attached to a foundation, and FEM uses a meshed finite substitute (Sarlak, 2017). Ultimately, the most efficient of the three is the finite element method as it can conduct linear and nonlinear analysis and considers damping (Sarlak, 2017).…”

Section: Ssimentioning

confidence: 99%

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Structural Models for Soil Interaction Experimental Testing

Duran¹

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Section: Ssimentioning

confidence: 99%

Section: Ssimentioning

confidence: 99%

Section: Ssimentioning

confidence: 99%

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Structural Models for Soil Interaction Experimental Testing

Duran¹

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Experimental and Numerical Modeling of the Effect of Groundwater Table Lowering on Bearing Capacity of Shallow Square Footings

Safarzadeh

Aminfar

2019

IJE

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The lowering of the groundwater table causes the area above the water table to become unsaturated and capillary phenomena to appear in this zone. This means that the bearing capacity of shallow footings will be influenced by capillary stress or matric suction. In this research, the effect of groundwater table lowering on the bearing capacity of a shallow square model footing on dense sand has been investigated by conducting plate load tests under different groundwater table conditions. Numerical simulations of the experiments also were performed using the finite element software Optum G2. The results of the experiments showed that lowering of the water table increased the matric suction. At a suction 0.5 to 4.5 kPa, the ultimate bearing capacity in the soil increased non-linearly from 2.5 to 4-times the bearing capacity of the saturated state. Numerical simulation of the experiments by assuming cohesion due to matric suction for the upper part of the groundwater table predicted the same behavior. Very good agreement was obtained between the predicted bearing capacity and the measured values. Pore water pressure (kPa) Normal stress (kPa) Effective cohesion (kN/m 2 ) Internal friction angle of soil (  ) Ultimate bearing capacity (kN/m 2 ) Friction angle related to matric suction (  ) , , Bearing capacity coefficients Shear strength of soil (kN/m 2 ) Surcharge (kN/m 2 ) Unit weight of soil (kN/m 3 ) Width of footing (m) Κ Bearing capacity fitting parameter − = Ψ Matric suction (kPa) , , Shape factors of footing = ⁄ Void ratio of soil " Dilation angle (  ) # = ⁄ Specific gravity of soil particles Saturated unit weight (kN/m 3 ) $ , $ Uniformity and grading coefficients % Unit weight of unsaturated zone (kN/m 3 ) & ' = ( ) − ( ) − (*% ⁄ Relative density (%) + Minimum principal stress , =101.3 Atmospheric pressure (kPa)

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Numerical and Experimental Study of Soil-structure Interaction in Structures Resting on Loose Soil Using Laminar Shear Box

Cited by 2 publications

References 0 publications

Structural Models for Soil Interaction Experimental Testing

Structural Models for Soil Interaction Experimental Testing

Experimental and Numerical Modeling of the Effect of Groundwater Table Lowering on Bearing Capacity of Shallow Square Footings

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