All Outputs (13)

The role of abrasion in cyclically sheared soil-structure interfaces (2023)
Journal Article
Pettey, A., & Heron, C. M. (2023). The role of abrasion in cyclically sheared soil-structure interfaces. Géotechnique, https://doi.org/10.1680/jgeot.22.00326

A limiting factor in the drive to deliver performance-based design is the lack of knowledge regarding the constitutive behaviour of soil-structure interfaces, particularly in the case of cyclic loading. A series of experiments were undertaken using b... Read More about The role of abrasion in cyclically sheared soil-structure interfaces.

Inertial effects in just-saturated axisymmetric column collapses (2023)
Journal Article
Webb, W., Heron, C., & Turnbull, B. (2023). Inertial effects in just-saturated axisymmetric column collapses. Granular Matter, 25(2), Article 40. https://doi.org/10.1007/s10035-023-01326-x

This work introduces a scaling analysis of sub-aerial axisymmetric column collapses of glass beads and Newtonian glycerol-water solutions mimicking some of the behaviours of debris flows. The beads were in a size range where their inertia partly deco... Read More about Inertial effects in just-saturated axisymmetric column collapses.

Closure to “Centrifuge Tests on Rock-Socketed Piles: Effect of Socket Roughness on Shaft Resistance” by J. G. Gutierrez-Ch, G. Song, C. M. Heron, A. Marshall, and R. Jimenez (2022)
Journal Article
Gutierrez-Ch, J. G., Song, G., Heron, C. M., Marshall, A., & Jimenez, R. (2022). Closure to “Centrifuge Tests on Rock-Socketed Piles: Effect of Socket Roughness on Shaft Resistance” by J. G. Gutierrez-Ch, G. Song, C. M. Heron, A. Marshall, and R. Jimenez. Journal of Geotechnical and Geoenvironmental Engineering, 148(7), https://doi.org/10.1061/%28asce%29gt.1943-5606.0002832

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.

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.

Calibration of strain gauged square tunnels for centrifuge testing (2016)
Journal Article
Tsinidis, G., Heron, C., Madabhushi, G., & Pitilakis, K. (in press). Calibration of strain gauged square tunnels for centrifuge testing. Geotechnical and Geological Engineering, 34(3), https://doi.org/10.1007/s10706-016-0015-9

A series of dynamic centrifuge tests were conducted on square aluminum model tunnels embedded in dry sand. The tests were carried out at the Schofield Centre of the Cambridge University Engineering Department, aiming to investigate the dynamic respon... Read More about Calibration of strain gauged square tunnels for centrifuge testing.

A new macro-element model encapsulating the dynamic moment-rotation behaviour of raft foundations (2015)
Journal Article
Heron, C., Haigh, S., & Madabhushi, S. (2015). A new macro-element model encapsulating the dynamic moment-rotation behaviour of raft foundations. Géotechnique, 65(5), https://doi.org/10.1680/geot.SIP.15.P.020

The interaction of shallow foundations with the underlying soil during dynamic loading can have both positive and negative effects on the behaviour of the superstructure. Although the negative impacts are generally considered within design codes, sel... Read More about A new macro-element model encapsulating the dynamic moment-rotation behaviour of raft foundations.

Dynamic response of flexible square tunnels: centrifuge testing and validation of existing design methodologies (2015)
Journal Article
Tsinidis, G., Pitilakis, K., Madabhushi, G., & Heron, C. (2015). Dynamic response of flexible square tunnels: centrifuge testing and validation of existing design methodologies. Géotechnique, 65(5), https://doi.org/10.1680/geot.SIP.15.P.004

A series of dynamic centrifuge tests were performed on a flexible aluminium square tunnel model embedded in Hostun dry sand. The tests were carried out at the centrifuge facility of the University of Cambridge in order to further improve knowledge re... Read More about Dynamic response of flexible square tunnels: centrifuge testing and validation of existing design methodologies.

Susceptibility of shallow foundation to rocking and sliding movements during seismic loading (2014)
Book Chapter
Heron, C., Haigh, S., & Madabhushi, G. (2014). Susceptibility of shallow foundation to rocking and sliding movements during seismic loading. In Seismic evaluation and rehabilitation of structures (407-424). Springer. https://doi.org/10.1007/978-3-319-00458-7_23

Current design codes prevent the rocking and sliding of shallow foundations during seismic loading despite much research indicating the beneficial nature of allowing such movements. The primary benefit is the partial isolation of the structure from t... Read More about Susceptibility of shallow foundation to rocking and sliding movements during seismic loading.

Physical modeling for the evaluation of the seismic behavior of square tunnels (2014)
Book Chapter
Tsinidis, G., Heron, C., Pitilakis, K., & Madabhushi, G. (2014). Physical modeling for the evaluation of the seismic behavior of square tunnels. In A. Ilki, & M. N. Fardis (Eds.), Seismic evaluation and rehabilitation of structures (389-406). Springer. https://doi.org/10.1007/978-3-319-00458-7_22

The Chapter summarizes results from dynamic centrifuge tests performed on a rectangular tunnel model embedded in dry sand. The tests were carried out at the geotechnical centrifuge facility of the University of Cambridge, within the Transnational Acc... Read More about Physical modeling for the evaluation of the seismic behavior of square tunnels.

Imaging the failure of a rock-fill dam following liquefaction (2013)
Journal Article
Heron, C. M., Lam, A., Haigh, S. K., & Madabhushi, G. S. P. (2013). Imaging the failure of a rock-fill dam following liquefaction. Dams and Reservoirs, 23(1), 15-24. https://doi.org/10.1680/dare.13.00005

Rock-fill dams are popular in developing countries due to their ease of construction and use of local materials. They are used to store water and to provide flood defences. The presence of such dams in earthquake-prone regions poses risks, particular... Read More about Imaging the failure of a rock-fill dam following liquefaction.

Fines-controlled drainage in just-saturated, inertial column collapses
Presentation / Conference Contribution
Webb, W., Heron, C., & Turnbull, B. Fines-controlled drainage in just-saturated, inertial column collapses. Presented at 8th International Conference on Debris Flow Hazard Mitigation, Turin, Italy

The wide particle size distributions, over several orders of magnitude, observed in debris flows leads to a diverse range of rheological behaviours controlling flow outcomes. This study explores the influence of different scale grains by conducting s... Read More about Fines-controlled drainage in just-saturated, inertial column collapses.

Setup and calibration of piles with FBG strain sensors in a geotechnical centrifuge
Presentation / Conference Contribution
Tang, C., Marshall, A. M., Heron, C., Franza, A., & Xu, J. (2024, August). Setup and calibration of piles with FBG strain sensors in a geotechnical centrifuge. Presented at XVIII European Conference on Soil Mechanics and Geotechnical Engineering, Lisbon (Portugal)

This paper discusses technical aspects of the experimental setup and calibration processing during centrifuge testing of single piles, instrumented with fibre Bragg grating (FBG) strain sensors, under vertical loads. Results illustrate the influence... Read More about Setup and calibration of piles with FBG strain sensors in a geotechnical centrifuge.