Pin‐Qiang Mo
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View article: Semi‐analytical solution for the stability of deep vertical shaft considering time‐dependent rock‐structure interaction
Semi‐analytical solution for the stability of deep vertical shaft considering time‐dependent rock‐structure interaction Open
This study focuses on the stability of deep vertical shafts in underground construction, addressing critical concerns in mining and geotechnical engineering. A semi‐analytical approach is proposed to capture the time‐dependent ground respo…
View article: Cylindrical cavity expansion analysis under partially drained conditions for normalisation of excess water pressure in CPTU
Cylindrical cavity expansion analysis under partially drained conditions for normalisation of excess water pressure in CPTU Open
Cone tip resistance and excess water pressure (EWP) measured by piezocone penetration tests (CPTU) may be significantly affected by the partially drained effect in soils with intermediate permeability. To capture this effect, the paper pro…
View article: Form and load transfer aspects of foundation systems: Case‐based implementation and adaptation for buildings
Form and load transfer aspects of foundation systems: Case‐based implementation and adaptation for buildings Open
Conventionally, foundations have been classified as shallow or deep in routine civil engineering practice. However, due to recent developments, two other approaches, semi‐deep and ground modification foundations, are now available, complic…
View article: Coupled THMC model-based prediction of hydraulic fracture geometry and size under self-propping phase-transition fracturing
Coupled THMC model-based prediction of hydraulic fracture geometry and size under self-propping phase-transition fracturing Open
The Self-Propping Phase-transition Fracturing Technology (SPFT) represents a novel and environmentally friendly approach for a cost-effective and efficient development of the world’s abundant unconventional resources, especially in the con…
View article: Analytical solution for transient radial interaction between energy piles and soils: Thermo-elastic cavity expansion analysis
Analytical solution for transient radial interaction between energy piles and soils: Thermo-elastic cavity expansion analysis Open
Bearing capacity of energy piles may be affected by the Radial Interaction between Energy Piles and Soils (RIEPS) such as energy pile expansion and transient radial heat conduction. This paper proposes a cavity-expansion-based solution to …
View article: Modeling footing resting on anisotropic sand using material point method
Modeling footing resting on anisotropic sand using material point method Open
Sand typically exhibits anisotropic internal structure which may significantly influence its mechanical behavior. The material point method (MPM) can eliminate mesh distortion and thus is suitable for investigating geotechnical problems wi…
View article: An elastic-plastic solution for the optimal thickness of a frozen soil wall considering an interaction with the surrounding rock
An elastic-plastic solution for the optimal thickness of a frozen soil wall considering an interaction with the surrounding rock Open
The technology of artificial ground freezing has been widely applied in geotechnical engineering to support underground spaces, whereas the effects of excavation-induced large deformation and frictional and dilatant behavior of geomaterial…
View article: An undrained expansion solution of cylindrical cavity in SANICLAY for K0-consolidated clays
An undrained expansion solution of cylindrical cavity in SANICLAY for K0-consolidated clays Open
This paper proposes a rigorous undrained solution for cylindrical cavity expansion problems in K0-consolidated clays, adopting a simple non-associated and anisotropic model, SANICLAY. The cavity expansion theory is well extended to conside…
View article: Analysis of Pile-Soil Interaction of Precast Pile Driven in Coastal Strata
Analysis of Pile-Soil Interaction of Precast Pile Driven in Coastal Strata Open
In order to further reveal the pile-soil interaction mechanism during precast pile driving in saturated soft soil in coastal areas, the compaction effect and excess pore pressure response of a single pile and adjacent pile penetration unde…
View article: Cavity Expansion–Contraction-Based Method for Tunnel–Soil–Pile Interaction in a Unified Clay and Sand Model: Drained Analysis
Cavity Expansion–Contraction-Based Method for Tunnel–Soil–Pile Interaction in a Unified Clay and Sand Model: Drained Analysis Open
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 effec…
View article: Bearing capacity of surface circular footings on granular material under low gravity fields
Bearing capacity of surface circular footings on granular material under low gravity fields Open
Low gravity fields have been simulated through magnetic acceleration to conduct experimental study on bearing capacity of circular footings on a type of crushable planetary regolith simulant, which has comparable density and particle size …
View article: Internal rolling method for particle shape evaluation and reconstruction
Internal rolling method for particle shape evaluation and reconstruction Open
A concise and robust method for 2D particle shape evaluation and reconstruction is proposed using the concept of the internal rolling of covering discs within the outline of a particle. By downscaling the covering disc size for capturing m…
View article: Shakedown analysis of cavities in cohesive-frictional materials and its application to underground energy storage caverns
Shakedown analysis of cavities in cohesive-frictional materials and its application to underground energy storage caverns Open
In this paper, a shakedown analysis is conducted for both cylindrical and spherical cavities in cohesive-frictional materials subjected to cyclic internal pressures. Based on Melan's lower-bound shakedown theorem, theoretical shakedown con…
View article: Interpretation of Cone Penetration Test Data in Layered Soils Using Cavity Expansion Analysis
Interpretation of Cone Penetration Test Data in Layered Soils Using Cavity Expansion Analysis Open
Cavity expansion theory plays an important role in many geotechnical engineering problems, including the cone penetration test (CPT). One of the challenges of interpreting CPT data is the delineation of interfaces between soil layers and t…