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Effects of embedded walls on tunnelling-induced sandy ground displacements: a numerical investigation (2024)
Journal Article
Xu, J., Zheng, L., Song, G., Zhang, D., Sheil, B., & Marshall, A. M. (2024). Effects of embedded walls on tunnelling-induced sandy ground displacements: a numerical investigation. Géotechnique, https://doi.org/10.1680/jgeot.23.00307

Urban tunnelling projects pose significant risks to the integrity of nearby structures due to ground movements induced by the excavation process. Embedded walls are commonly employed as a protective measure to mitigate these adverse effects. This pap... Read More about Effects of embedded walls on tunnelling-induced sandy ground displacements: a numerical investigation.

Assessing the performance of winged caisson foundations for offshore wind turbines (2023)
Journal Article
Faizi, K., Faramarzi, A., Dirar, S., Chapman, D., Cui, G., Heron, C. M., & Marshall, A. M. (2023). Assessing the performance of winged caisson foundations for offshore wind turbines. Marine Georesources and Geotechnology, https://doi.org/10.1080/1064119x.2023.2179445

The foundation of an offshore wind turbine (OWT) accounts for up to 20% of the total cost; therefore, investigations into reliable and efficient foundations are important for the offshore wind energy industry. This article describes an innovative win... Read More about Assessing the performance of winged caisson foundations for offshore wind turbines.

Numerical study on the effect of protective wall depth in reducing structure deformations caused by tunnelling (2023)
Journal Article
Song, G., Xu, J., & Marshall, A. M. (2023). Numerical study on the effect of protective wall depth in reducing structure deformations caused by tunnelling. Computers and Geotechnics, 158, Article 105374. https://doi.org/10.1016/j.compgeo.2023.105374

To reduce tunnelling induced damage of buildings, a ‘protective wall’ is sometimes constructed between the location of the new tunnel and existing foundations. One of the key design questions relates to the optimal wall depth, where further increase... Read More about Numerical study on the effect of protective wall depth in reducing structure deformations caused by tunnelling.

Characterisation of spoil materials to develop an equivalent spoil material for physical model tests (2022)
Journal Article
Garala, T. K., Cui, G., Kantesaria, N., Heron, C. M., Marshall, A. M., & Žižka, L. (2022). Characterisation of spoil materials to develop an equivalent spoil material for physical model tests. Gornictwo Odkrywkowe, LXIII(4), 23-29. https://doi.org/10.5604/01.3001.0053.8055

The engineering behaviour of spoil (overburden) needs to be explored either to understand the stability of reservoir slopes under various geological and climatic conditions or for the effective utilisation of reclaimed mines for sustainable infrastru... Read More about Characterisation of spoil materials to develop an equivalent spoil material for physical model tests.

Effect of spatial variation of spoil material properties on slope displacements under rapid drawndown of pit lakes (2022)
Journal Article
Halder, K., Doan, N., Garala, T. K., Cui, G., Kantesaria, N., Heron, C. M., & Marshall, A. M. (2022). Effect of spatial variation of spoil material properties on slope displacements under rapid drawndown of pit lakes. Gornictwo Odkrywkowe, LXIII(4), 33-39. https://doi.org/10.5604/01.3001.0053.8057

In many European countries, lignite or brown coal is used as a fuel source in steam-electric power generation. Upon completion of mining activities, a reclamation plan is imperative to ensure environmental and social prosperity of local areas. Abando... Read More about Effect of spatial variation of spoil material properties on slope displacements under rapid drawndown of pit lakes.

Centrifuge modelling of spoil slopes within pit-lake mine reclamations (2022)
Journal Article
Cui, G., Garala, T. K., Kantesaria, N., Doan, N., Heron, C. M., Marshall, A. M., & Halder, K. (2022). Centrifuge modelling of spoil slopes within pit-lake mine reclamations. Gornictwo Odkrywkowe, LXIII(3), 23-28. https://doi.org/10.5604/01.3001.0053.8046

Pit lakes are a common form of reclamation of areas where open pit mining activities have taken place. The development of these lakes often uses previous overburden materials, or “spoils”, that are readily available. Depending on the local geology, t... Read More about Centrifuge modelling of spoil slopes within pit-lake mine reclamations.

Foundation systems for sustainable revitalisation of spoil dump areas (2022)
Journal Article
Kantesaria, N., Cui, G., Garala, T. K., Doan, N., Heron, C. M., Halder, K., & Marshall, A. M. (2022). Foundation systems for sustainable revitalisation of spoil dump areas. Gornictwo Odkrywkowe, LXIII(4), 10-15. https://doi.org/10.5604/01.3001.0053.8053

The design of foundations systems is well established in the literature and codes of practice. However, these are generally applicable to well characterised, homogenous ground conditions. Spoil materials represent a significant challenge when impleme... Read More about Foundation systems for sustainable revitalisation of spoil dump areas.

The challenges associated with laboratory scale physical modelling of high-plasticity spoil materials (2022)
Journal Article
Garala, T. K., Cui, G., Kantesaria, N., Heron, C. M., & Marshall, A. M. (2022). The challenges associated with laboratory scale physical modelling of high-plasticity spoil materials. Gornictwo Odkrywkowe, LXIII(3), 10-15. https://doi.org/10.5604/01.3001.0053.8044

Characterisation of spoil (surface mine overburden) material is essential when investigating geotechnical issues associated with the spoil, e.g., for investigating the stability of pit lakes formed with spoil or spoil-structure interaction for any st... Read More about The challenges associated with laboratory scale physical modelling of high-plasticity spoil materials.

Effect of Duxseal on Horizontal Stress and Soil Stiffness in Small-Amplitude Dynamic Centrifuge Models (2022)
Journal Article
Cui, G., Heron, C., & Marshall, A. (2022). Effect of Duxseal on Horizontal Stress and Soil Stiffness in Small-Amplitude Dynamic Centrifuge Models. Geotechnical Testing Journal, 45(3), Article GTJ20200308. https://doi.org/10.1520/GTJ20200308

The constitutive behavior of soil is stress dependent. Therefore, geotechnical centrifuges are widely used to replicate full-scale stress fields, thereby ensuring the correct soil response within reduced-scale centrifuge models. A vibration-absorbing... Read More about Effect of Duxseal on Horizontal Stress and Soil Stiffness in Small-Amplitude Dynamic Centrifuge Models.

Filtration performance of non- woven geotextiles with internally-stable and -unstable soils under dynamic loading (2022)
Journal Article
Khan, M. W., Dawson, A. R., & Marshall, A. M. (2022). Filtration performance of non- woven geotextiles with internally-stable and -unstable soils under dynamic loading. Geotextiles and Geomembranes, 50(2), 293-311. https://doi.org/10.1016/j.geotexmem.2021.11.007

In many applications, geotextiles are subjected to dynamic loading conditions, for example, below roads and railways, for which a Gradient Ratio (GR) test is often used to assess filtration compatibility of soil-geotextile systems. This paper present... Read More about Filtration performance of non- woven geotextiles with internally-stable and -unstable soils under dynamic loading.

Tunnel–piled structure interaction: Numerical simulation of hybrid centrifuge tests (2021)
Journal Article
Song, G., & Marshall, A. M. (2021). Tunnel–piled structure interaction: Numerical simulation of hybrid centrifuge tests. Computers and Geotechnics, 140, Article 104477. https://doi.org/10.1016/j.compgeo.2021.104477

Tunnel excavation in urban areas causes ground movements that could damage existing nearby piled structures. Geotechnical centrifuge modelling has been widely used as a tool to study problems related to tunnelling activities and its interaction with... Read More about Tunnel–piled structure interaction: Numerical simulation of hybrid centrifuge tests.

Investigation of soil-pile-structure interaction induced by vertical loads and tunnelling (2021)
Journal Article
Franza, A., Zheng, C., Marshall, A. M., & Jimenez, R. (2021). Investigation of soil-pile-structure interaction induced by vertical loads and tunnelling. Computers and Geotechnics, 139, Article 104386. https://doi.org/10.1016/j.compgeo.2021.104386

The response of pile groups and piled structures to vertical and tunnelling-induced loads is studied. A two-stage model is adopted that can efficiently consider external actions, greenfield tunnelling movements, superstructure stiffness, ultimate pil... Read More about Investigation of soil-pile-structure interaction induced by vertical loads and tunnelling.

Centrifuge Tests on Rock-Socketed Piles: Effect of Socket Roughness on Shaft Resistance (2021)
Journal Article
Gutiérrez-Ch, J. G., Song, G., Heron, C. M., Marshall, A., & Jimenez, R. (2021). Centrifuge Tests on Rock-Socketed Piles: Effect of Socket Roughness on Shaft Resistance. Journal of Geotechnical and Geoenvironmental Engineering, 147(11), Article 04021125. https://doi.org/10.1061/%28ASCE%29GT.1943-5606.0002665

Preliminary estimations of shaft resistance of rock-socketed piles are usually conducted using empirical formulations that relate to the uniaxial compressive strength (σc) of the weaker material involved (intact rock or pile). However, there are othe... Read More about Centrifuge Tests on Rock-Socketed Piles: Effect of Socket Roughness on Shaft Resistance.

Tunneling-Induced Deformation of Bare Frame Structures on Sand: Numerical Study of Building Deformations (2021)
Journal Article
Boldini, D., Losacco, N., Franza, A., DeJong, M. J., Xu, J., & Marshall, A. M. (2021). Tunneling-Induced Deformation of Bare Frame Structures on Sand: Numerical Study of Building Deformations. Journal of Geotechnical and Geoenvironmental Engineering, 147(11), Article 0002627. https://doi.org/10.1061/%28asce%29gt.1943-5606.0002627

The paper compares the performance of two Finite Element Method approaches in reproducing the response of bare frame structures to tunneling in dry dense sand. A fully coupled approach, in which the tunnel, frame and soil are accounted for, is comp... Read More about Tunneling-Induced Deformation of Bare Frame Structures on Sand: Numerical Study of Building Deformations.

Role of Footing Embedment on Tunnel–Foundation Interaction (2021)
Journal Article
Xu, J., Franza, A., Marshall, A. M., & Losacco, N. (2021). Role of Footing Embedment on Tunnel–Foundation Interaction. Journal of Geotechnical and Geoenvironmental Engineering, 147(9), Article 06021009. https://doi.org/10.1061/%28asce%29gt.1943-5606.0002603

This technical note investigates the effect of footing embedment depth on tunnel-structure interaction using geotechnical centrifuge testing. A two-story framed building on separate footings, either resting directly on the surface or embedded in the... Read More about Role of Footing Embedment on Tunnel–Foundation Interaction.

Centrifuge study on the use of protective walls to reduce tunnelling-induced damage of buildings (2021)
Journal Article
Song, G., & Marshall, A. M. (2021). Centrifuge study on the use of protective walls to reduce tunnelling-induced damage of buildings. Tunnelling and Underground Space Technology, 115, Article 104064. https://doi.org/10.1016/j.tust.2021.104064

Tunnel excavation in urban areas causes ground movements that could damage existing nearby piled structures. In practice, to protect structures from tunnelling-induced damage, a stiff protective wall can be constructed between the tunnel and the adja... Read More about Centrifuge study on the use of protective walls to reduce tunnelling-induced damage of buildings.

Tunnel–framed building interaction: comparison between raft and separate footing foundations (2020)
Journal Article
Xu, J., Franza, A., Marshall, A. M., Losacco, N., & Boldini, D. (2021). Tunnel–framed building interaction: comparison between raft and separate footing foundations. Géotechnique, 71(7), 631-644. https://doi.org/10.1680/jgeot.19.P.393

This paper investigates the influence of the foundation configuration (raft or separate footings) on tunnel-soil-framed building interaction using geotechnical centrifuge testing. Tunnelling-induced soil movements and deformation fields, framed build... Read More about Tunnel–framed building interaction: comparison between raft and separate footing foundations.

Centrifuge Study on the Influence of Tunnel Excavation on Piles in Sand (2020)
Journal Article
Song, G., & Marshall, A. M. (2020). Centrifuge Study on the Influence of Tunnel Excavation on Piles in Sand. Journal of Geotechnical and Geoenvironmental Engineering, 146(12), Article 04020129. https://doi.org/10.1061/%28ASCE%29GT.1943-5606.0002401

© 2020 American Society of Civil Engineers. Tunneling-induced ground movements can affect the equilibrium state of an existing pile, causing uneven settlement among pile groups and damage to connected structures. This paper presents results from five... Read More about Centrifuge Study on the Influence of Tunnel Excavation on Piles in Sand.

Response of Framed Buildings on Raft Foundations to Tunneling (2020)
Journal Article
Xu, J., Franza, A., & Marshall, A. M. (2020). Response of Framed Buildings on Raft Foundations to Tunneling. Journal of Geotechnical and Geoenvironmental Engineering, 146(11), Article 04020120. https://doi.org/10.1061/%28asce%29gt.1943-5606.0002376

This paper investigates the response of framed buildings on raft foundations to tunnel construction using geotechnical centrifuge testing. Five framed building models were considered and the influence of building configuration, weight, eccentricity,... Read More about Response of Framed Buildings on Raft Foundations to Tunneling.