Pullout capacity of multi-plate horizontal anchors in sand: an experimental study

Tilak, B. Vidya; Samadhiya, N. K.

doi:10.1007/s11440-021-01173-1

Cited by 13 publications

(2 citation statements)

References 34 publications

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“…One of the engineering geological restrictions that might pose issues in infrastructure development and spatial planning is soft soil. Because of their limited bearing capacity, soft soils often pose issues in building, and settlements are possible [2]. The fundamental issue that coastal or offshore structures confront is structural stability owing to seawater movement, both vertically due to tides and horizontally due to currents, wind, and waves.…”

Section: Introductionmentioning

confidence: 99%

Model Test of the Pull-up Capacity of Folding Type Ground Anchors in Cohesive Soil

et al. 2022

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The purpose of this research is to develop a folding anchor model, which is a modification of the star-shaped plate anchor, and to investigate the pull-up capability operating in cohesive soils. Physical testing is performed in the laboratory and on a full scale in the field, with the findings of the pull-up capacity achieved compared. The anchor model is made up of four leaves with varying widths and depths. It is flexible and may be closed and opened like an inverted umbrella. The effective area of each anchor was determined in laboratory experiments to be A1=30.00, A2=57.60, and A3=147.20 cm2, evaluated in a test column bath and filled with statically compressed, cohesive soil in four layers to a height of 30 cm. Each model was evaluated at three different depths: 30, 60, and 90 cm. The effective area of each anchor in field testing is B1=57.60, B2=147.20, and B3=600 cm2. The qualities of the soils chosen in the laboratory and in the field are identical. Each model was tested at three different depths: 100, 200, and 300 cm. The most resemblance to pull-up test results was found in laboratory and outdoor testing. The findings indicated that the area of each anchor model increased at each depth, resulting in a considerable rise in pull-up load. The change in depth of each anchor variation, however, did not result in a substantial increase in pull-up load. This implies that the folding type model anchors do not need extensive design. Each area change has a fundamental constraint in that adding depth will no longer result in a higher maximum pull-up capability. It also shows that these anchors are relatively simple to install in the field using basic tools without excavating or drilling the soil. Doi: 10.28991/CEJ-2022-08-09-07 Full Text: PDF

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Section: Introductionmentioning

confidence: 99%

Model Test of the Pull-up Capacity of Folding Type Ground Anchors in Cohesive Soil

et al. 2022

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“…o et al [14] used the finite element method to conduct simulation tests and concluded that the pullout force of a plate anchor in soil with a linear increase in strength was lower than that in uniform soil. Tilak and Samadhiya [15], through the ultimate pullout ability test of a multi-plate horizontal bolt, determined that, compared with a single-plate bolt, the pullout ability of a multi-plate bolt in shallow layers decreased and that of a multi-plate bolt in deep layers increased. Choudhary and Dash [16] showed that plate anchor failure displacement and bearing capacity are closely related to soil density and burial depth.…”

Section: Introductionmentioning

confidence: 99%

Microscopic Bearing Behavior of Horizontally Loaded Vertical Plate Anchors in Sandy Soil

Zhang

Wang

et al. 2022

Advances in Civil Engineering

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Vertical plate anchors are an effective technique to enhance the stability of various structures, such as retaining walls and sheet piles. More research has been devoted to their bearing capacity and macroscopically affecting parameters, while less research can be found on their microscopic bearing behavior. In this paper, the microscopic bearing behavior of vertical plate anchors subjected to a horizontal pullout load in sandy soil was investigated with the particle flow code (PFC) based on the model test results. Results show that the larger-sized anchor plates withstand greater soil pressure and affect a broader range of soil during the pullout process. The soil not behind the anchor plate is pressed, and the pressure in front of the anchor plate increases with increasing size. The soil close to the plate anchor suffers larger pressure while the soil far away from the plate anchor is less affected, and the soil is redistributed to a more stable state during the pullout process of the plate anchor. The particles with a long axis distributed in the horizontal direction are the most stable, while those with a long axis distributed in the vertical direction are the most unstable.

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Centrifugal Model Test Based Bearing Characteristics and Analytical Model of Uplift Pile in Combined Composite Ground

Wang

et al. 2022

Rock Mech Rock Eng

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Pullout capacity of multi-plate horizontal anchors in sand: an experimental study

Cited by 13 publications

References 34 publications

Model Test of the Pull-up Capacity of Folding Type Ground Anchors in Cohesive Soil

Model Test of the Pull-up Capacity of Folding Type Ground Anchors in Cohesive Soil

Microscopic Bearing Behavior of Horizontally Loaded Vertical Plate Anchors in Sandy Soil

Centrifugal Model Test Based Bearing Characteristics and Analytical Model of Uplift Pile in Combined Composite Ground

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