Evaluation of Theoretical Models to Predict the Pullout Capacity of a Vertical Anchor Embedded in Cohesionless Soil

Jadid, Rowshon; Shahriar, Azmayeen Rafat; Rahman, Rejwanur; Imtiaz, Tanvir

doi:10.1007/s10706-019-00870-9

Cited by 10 publications

(3 citation statements)

References 22 publications

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“…No. The laboratory density parameters obtained from the standard compaction test (Standard Proctor Test) were the maximum moisture content of Wopt = 38% and the maximum dry weight of 1.26 gr/cm 3 . The soil moisture content to be compacted was w = 81.87 percent with a dry volume weight of d = 0.25 gr/cm 3 based on the density of the soil in the test container/test column.…”

Section: Table 1 Soil Investigation Resultsmentioning

confidence: 99%

“…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. To maintain stability owing to vertical uplift, a retaining structure known as an anchor is required [3]. Soil anchor structures have been created for a variety of applications, including slope reinforcement, retaining walls (pipe), tunnel stability, transmission tower foundations to bear tensile pressures, overturning, and so on [4].…”

Section: Introductionmentioning

confidence: 99%

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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: Table 1 Soil Investigation Resultsmentioning

confidence: 99%

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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“…[1,2]. Because the bearing capacity design has been a focus [3], the bearing behavior of vertical plate anchors becomes critical for its theoretical basis signi cance.…”

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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Comparison of the Performance of Self-Drilled Hollow Bar and Strand Anchors in Soft Soil: A field Study

2020

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Evaluation of Theoretical Models to Predict the Pullout Capacity of a Vertical Anchor Embedded in Cohesionless Soil

Cited by 10 publications

References 22 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

Comparison of the Performance of Self-Drilled Hollow Bar and Strand Anchors in Soft Soil: A field Study

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