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Geotechnical Characterization of Fine-Grained Spoil Material from Surface Coal Mines (2021)
Journal Article
Zevgolis, I. E., Theocharis, A. I., Deliveris, A. V., Koukouzas, N. C., Roumpos, C., & Marshall, A. M. (2021). Geotechnical Characterization of Fine-Grained Spoil Material from Surface Coal Mines. Journal of Geotechnical and Geoenvironmental Engineering, 147(7), Article 04021050. https://doi.org/10.1061/%28asce%29gt.1943-5606.0002550

Coal mines produce large amounts of excavated waste soils, known as spoils. These materials can cover vast areas, are typically dumped in heaps without any treatment and are difficult to exploit for engineering purposes because of their significant v... Read More about Geotechnical Characterization of Fine-Grained Spoil Material from Surface Coal Mines.

Cavity expansion-contraction based method for tunnel-soil-pile interaction in a unified clay and sand model: drained analysis (2021)
Journal Article
Mo, P., Marshall, A. M., & Fang, Y. (2021). Cavity expansion-contraction based method for tunnel-soil-pile interaction in a unified clay and sand model: drained analysis. International Journal of Geomechanics, 21(5), https://doi.org/10.1061/%28ASCE%29GM.1943-5622.0002016

This paper proposes an analytical method based on drained solutions of cavity expansion and contraction in a unified clay and sand model to investigate tunnel-soil-pile interactions. Cavity expansion analyses are used to evaluate the effects of pile... Read More about Cavity expansion-contraction based method for tunnel-soil-pile interaction in a unified clay and sand model: drained analysis.

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.

Assessment of the Posttunneling Safety Factor of Piles under Drained Soil Conditions (2020)
Journal Article
Marshall, A. M., Franza, A., & Jacobsz, S. W. (2020). Assessment of the Posttunneling Safety Factor of Piles under Drained Soil Conditions. Journal of Geotechnical and Geoenvironmental Engineering, 146(9), Article 04020097. https://doi.org/10.1061/%28ASCE%29GT.1943-5606.0002348

The need to tunnel closely beneath piles is increasing due to the development of urban areas. This poses a risk to the stability and serviceability of overlying structures (e.g., buildings, piers, and piled embankments). The impact of tunneling on pi... Read More about Assessment of the Posttunneling Safety Factor of Piles under Drained Soil Conditions.

Centrifuge modelling of tunnelling induced ground displacements: pressure and displacement control tunnels (2020)
Journal Article
Marshall, A. M., & Song, G. (2020). Centrifuge modelling of tunnelling induced ground displacements: pressure and displacement control tunnels. Tunnelling and Underground Space Technology, 103, https://doi.org/10.1016/j.tust.2020.103461

Predicting the impact of tunnelling-induced ground movements on existing foundation systems or infrastructure is an important stage during tunnel design or risk assessment processes. Centrifuge modelling has been used extensively as a tool to study s... Read More about Centrifuge modelling of tunnelling induced ground displacements: pressure and displacement control tunnels.

Geocellular railway drainage systems: physical and numerical modelling (2019)
Journal Article
Tasalloti, A., Marshall, A. M., Heron, C. M., & Hashemi, M. A. (2020). Geocellular railway drainage systems: physical and numerical modelling. Transportation Geotechnics, 22, 1-12

The importance of resilient railway infrastructure is paramount when considering the increased likelihood of extreme weather and flash flood events in coming years. One of the main causes of instability of railway tracks is excess water in the trackb... Read More about Geocellular railway drainage systems: physical and numerical modelling.

Nonlinear soil-pile interaction induced by ground settlements: pile displacements and internal forces (2019)
Journal Article
Franza, A., Marshall, A. M., & Jimenez, R. (2019). Nonlinear soil-pile interaction induced by ground settlements: pile displacements and internal forces. Géotechnique, 71(3), Article 239-249. https://doi.org/10.1680/jgeot.19.p.078

In urban areas, the construction of tunnels and deep-excavations beneath and near to pile foundations can be detrimental for the superstructure and the foundation. A two-stage continuum-based nonlinear soil-pile interaction model is presented in this... Read More about Nonlinear soil-pile interaction induced by ground settlements: pile displacements and internal forces.

Stability and characterisation of spoil heaps in European surface lignite mines: a state-of-the-art review in light of new data (2019)
Journal Article
Masoudian, M. S., Zevgolis, I. E., Deliveris, A. V., Marshall, A. M., Heron, C. M., & Koukouzas, N. C. (2019). Stability and characterisation of spoil heaps in European surface lignite mines: a state-of-the-art review in light of new data. Environmental Earth Sciences, 78(16), https://doi.org/10.1007/s12665-019-8506-7

The large amount of spoil material produced during the mining process imposes a significant economic and environmental liability on lignite producers. In this context, the present paper provides an overview of the geotechnical characteristics of Euro... Read More about Stability and characterisation of spoil heaps in European surface lignite mines: a state-of-the-art review in light of new data.

A general framework for coupled hydro-mechanical modelling of rainfall-induced instability in unsaturated slopes with multivariate random fields (2019)
Journal Article
Masoudian, M. S., Hashemi Afrapoli, M. A., Tasalloti, A., & Marshall, A. M. (2019). A general framework for coupled hydro-mechanical modelling of rainfall-induced instability in unsaturated slopes with multivariate random fields. Computers and Geotechnics, 115, 1-12. https://doi.org/10.1016/j.compgeo.2019.103162

An accurate estimation of rainfall-induced instability of slopes for extremely nonhomogeneous materials such as lignite mine spoils is a major challenge. This paper investigates the stability of nonhomogeneous soil slopes with respect to slip surface... Read More about A general framework for coupled hydro-mechanical modelling of rainfall-induced instability in unsaturated slopes with multivariate random fields.

Real-time data coupling for hybrid testing in a geotechnical centrifuge (2019)
Journal Article
Idinyang, S., Franza, A., Heron, C. M., & Marshall, A. M. (2019). Real-time data coupling for hybrid testing in a geotechnical centrifuge. International Journal of Physical Modelling in Geotechnics, 19(4), 208-220. https://doi.org/10.1680/jphmg.17.00063

Geotechnical centrifuge models necessarily involve simplifications compared to the full-scale scenario under investigation. In particular, structural systems (e.g. buildings or foundations) generally can’t be replicated such that complex full-scale c... Read More about Real-time data coupling for hybrid testing in a geotechnical centrifuge.

Greenfield tunnelling in sands: the effects of soil density and relative depth (2019)
Journal Article
Franza, A., Marshall, A. M., & Zhou, B. (2019). Greenfield tunnelling in sands: the effects of soil density and relative depth. Géotechnique, 69(4), 297-307. https://doi.org/10.1680/jgeot.17.P.091

Tunnel construction is vital for the development of urban infrastructure systems throughout the world. An understanding of tunnelling-induced displacements is needed to evaluate the impact of tunnel construction on existing structures. Recent researc... Read More about Greenfield tunnelling in sands: the effects of soil density and relative depth.

Empirical and semi-analytical methods for evaluating tunnelling-induced ground movements in sands (2019)
Journal Article
Franza, A., & Marshall, A. M. (2019). Empirical and semi-analytical methods for evaluating tunnelling-induced ground movements in sands. Tunnelling and Underground Space Technology, 88, 47-62. https://doi.org/10.1016/j.tust.2019.02.016

Empirical formulas and closed-form solutions provide, in many cases, good predictions of tunnelling-induced ground movements which, when combined with their computational efficiency, make them valuable for tunnel-structure interaction analyses. For s... Read More about Empirical and semi-analytical methods for evaluating tunnelling-induced ground movements in sands.

Centrifuge and Real-Time Hybrid Testing of Tunneling beneath Piles and Piled Buildings (2018)
Journal Article
Andrea, F., & Alec M., M. (2019). Centrifuge and Real-Time Hybrid Testing of Tunneling beneath Piles and Piled Buildings. Journal of Geotechnical and Geoenvironmental Engineering, 145(3), Article 04018110. https://doi.org/10.1061/%28ASCE%29GT.1943-5606.0002003

Tunnels are constructed increasingly close to existing buried structures, including pile foundations. This poses a serious concern, especially for tunnels built beneath piles. Current understanding of the global tunnel-soil-pile-building interaction... Read More about Centrifuge and Real-Time Hybrid Testing of Tunneling beneath Piles and Piled Buildings.

A coupled thermal-mechanical numerical model of underground coal gasification (UCG) including spontaneous coal combustion and its effects (2018)
Journal Article
Ekneligoda, T., & Marshall, A. (2018). A coupled thermal-mechanical numerical model of underground coal gasification (UCG) including spontaneous coal combustion and its effects. International Journal of Coal Geology, 199, 31-38. https://doi.org/10.1016/j.coal.2018.09.015

Underground coal gasification (UCG) is a promising option for extracting energy from coal in unworked or hard to access areas of the subsurface. From a geotechnical perspective, UCG involves various complex phenomena resulting from the elevated tempe... Read More about A coupled thermal-mechanical numerical model of underground coal gasification (UCG) including spontaneous coal combustion and its effects.

A dynamic gradient ratio test apparatus (2018)
Journal Article
Khan, M., Dawson, A., & Marshall, A. (2018). A dynamic gradient ratio test apparatus. Geotextiles and Geomembranes, 46(6), https://doi.org/10.1016/j.geotexmem.2018.07.003

The soil-geotextile filtration mechanism is a complex process which depends on physical compatibility between the geotextile and the soil to be retained. Several methods have been proposed by researchers for assessing the filtration behaviour of soil... Read More about A dynamic gradient ratio test apparatus.

Direct displacement-based seismic design of flexible-base structures subjected to pulse-like ground motions (2018)
Journal Article
Hajirasouliha, I., Marshall, A. M., & Lu, Y. (2018). Direct displacement-based seismic design of flexible-base structures subjected to pulse-like ground motions. Engineering Structures, 168, 276-289. https://doi.org/10.1016/j.engstruct.2018.04.079

In this paper, a practical displacement-based framework is presented for seismic design of flexible-base structures in near-fault regions. Particular attention is given to pulse-like motions that may cause significant damage to building structures. T... Read More about Direct displacement-based seismic design of flexible-base structures subjected to pulse-like ground motions.

An improved replacement oscillator approach for soil-structure interaction analysis considering soft soils (2018)
Journal Article
Lu, Y., Hajirasouliha, I., & Marshall, A. M. (2018). An improved replacement oscillator approach for soil-structure interaction analysis considering soft soils. Engineering Structures, 167, 26-38. https://doi.org/10.1016/j.engstruct.2018.04.005

This paper aims to improve the effectiveness of the replacement oscillator approach for soil-structure interaction (SSI) analysis of flexible-base structures on soft soil deposits. The replacement oscillator approach transforms a flexible-base single... Read More about An improved replacement oscillator approach for soil-structure interaction analysis considering soft soils.