Undrained stability of unlined square tunnels in clays with linearly increasing anisotropic shear strength

B Ukritchon, S Keawsawasvong - Geotechnical and Geological …, 2020 - Springer
In general, the undrained strength anisotropy of clays is found in nature. Its effect on a
stability problem during undrained loading should be considered in order to get a more …

Three-dimensional stability investigation of trapdoors in collapse and blowout conditions

J Shiau, S Keawsawasvong, JS Lee - International Journal of …, 2022 - ascelibrary.org
Road-related sinkholes are of great concerns nowadays, appearing frequently in media
stories. In the undrained stability analysis, a dimensionless stability number that is known as …

Experimental and numerical investigation of the uplift capacity of plate anchors in geocell-reinforced sand

M Rahimi, SNM Tafreshi, B Leshchinsky… - Geotextiles and …, 2018 - Elsevier
Plate anchors are frequently used to provide resistance against uplift forces. This paper
describes the reinforcing effects of a geocell-reinforced soil layer on uplift behavior of anchor …

Novel neural network-based metaheuristic models for the stability prediction of rectangular trapdoors in anisotropic and non-homogeneous clay

K Sangjinda, DR Kumar, S Keawsawasvong… - … in Engineering Software, 2024 - Elsevier
The problem of trapdoor stability is a crucial problem in geotechnical engineering. This study
is the first to introduce novel neural network-based metaheuristic models for the stability …

Support pressure for stability of circular tunnels driven in granular soil under water table

JP Sahoo, B Kumar - Computers and Geotechnics, 2019 - Elsevier
In this paper, the internal pressure required to be offered by a support system to support the
periphery of circular tunnels excavated in granular soils in the presence of groundwater …

Assessing the ultimate uplift capacity of plate anchors in geocell-reinforced sand

M Rahimi, B Leshchinsky… - Geosynthetics …, 2018 - icevirtuallibrary.com
Use of geosynthetic reinforcement may improve the performance of many geotechnical
systems, including anchors. In this study, the uplift capacity of geocell-reinforced sand is …

Experimental study on pullout capacity of geocell and geotextile-reinforced horizontal plate anchors embedded in granular soil

M Aliasgharzadeh, M Yousefzadehfard… - International Journal of …, 2023 - Springer
Various types of anchors are used in civil engineering projects to resist uplift forces. A plate
anchor is one of the most common anchors which was used for bearing static or cyclic uplift …

Model tests on uplift capacity of double-belled pile influenced by distance between bells

T Sun, X Cui, Y Sun, R Han, R Ma, J Yang… - Journal of Central South …, 2022 - Springer
To optimize the distance between the bells in pile design, this paper reports a series of small
scale tests on the uplift capacity of double belled piles embedded in dry dense sand …

Undrained Uplift Capacity of Square and Circular Plate Anchors Embedded Near Clayey Slope

P Bhattacharya, S Sadhukhan - Arabian Journal for Science and …, 2024 - Springer
The decrease in undrained uplift capacity of horizontally placed square and circular plate
anchors due to presence of a nearby saturated undrained clayey slope has been analysed …

Field Pull-Out Tests of Percussion Driven Earth Anchors (PDEAs)

NT Asfaw, G Lei, M Azizian, A Poudel, L Hoyos, X Yu - Applied Sciences, 2023 - mdpi.com
Percussion driven earth anchors (PDEAs) are driven into soils using an installation steel
hammer rod. PDEAs are relatively easy to install and have gained wide applications …