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Model test study on the influence of the collapsibility of loess stratum on an urban utility tunnel
Urban utility tunnels (UUTs) can significantly alleviate the problem of repeated excavation of traditional municipal pipelines and make full use of...
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Introduction
Dealing with the earth involves substantial uncertainty. Uncertainties range from inherit variations of ground and groundwater profile, their...
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Calculation of Soil Deformation Caused by Shield Tunneling
At present, many researches have been carried out on the longitudinal and lateral displacement mechanism of soil caused by shield construction.
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Determination of geotechnical parameters for underground trenchless construction design
The design of various components of underground trenchless constructions requires geotechnical parameters as inputs. Currently, determination of...
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The effect of cohesion heterogeneity and anisotropy in c–φ soils on the static and seismic bearing capacity of shallow foundations
This research aimed to assess the influence of the cohesion heterogeneity and anisotropy on the ultimate seismic and static bearing capacity, ( q ult ),...
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Improvement to the calculating model of the pressure arch’s height considering the confining pressure in the excavation of shallow tunnels
Based on Platts theory of ground pressure, the traditional formation stress distribution method was improved, and a stress model was constructed by...
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Mechanism and Law Analysis on Ground Settlement Caused by Shield Excavation of Small-Radius Curved Tunnel
The mechanism of ground settlement caused by the construction of small-radius curved tunnels is more complicated compared to straight tunnels. This...
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Analysis of Ground Settlement Caused by Double-line TBM Tunnelling Under Existing Building
TBM tunnelling is less used in the subway construction in prosperous city due to the limitation of the engineering geological conditions. The studies...
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Influence of undercrossing tunnel excavation on the settlement of a metro station in Dalian
Numerous tunnel excavation projects have been undertaken in China to address the ever-increasing demand for tunnels, which is driven by the rapid...
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Investigating the dynamics of water–sand mixing inrush in viscous sand layers: insights from laboratory experiments
The geological hazard of water–sand inrush is a matter of concern for infrastructure construction and resource exploration activities in China, due...
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Model experiment on surface subsidence induced by excavation of shallow small-spacing tunnels
This study proposes a model test system to study the evolutionary process of surface subsidence under the excavation disturbance of shallow depth and...
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Hygroscopic Water Content As an Indicator of Soil Dispersity: Thermodynamic Basis and Experimental Verification
AbstractThe adsorption properties of dispersed systems are determined by their surface energy, therefore the parameters of hygroscopy (adsorbed water...
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An Optimized XGBoost Model for Predicting Tunneling-Induced Ground Settlement
Accurate prediction of ground settlement is vital to guarantee the safety and efficiency of subway tunnel digging. In this study, to accurately...
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Analysis of deformation and spatio–temporal effects during construction of a shallow-buried large cross-sectional loess tunnel
This study considered the Sujiachuan Loess Tunnel of the Baolan Railway in China. When excavating a shallow-buried large cross-sectional tunnel in...
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A numerical model for landslide movement
Starting from the basic equation of landslide movement, a numerical model for landslide movement was presented through the calculus transformation of...
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Characteristics of subway excavation in soft soil and protective effects of partition wall on the historical building and pile foundation building
It has been a key issue how to effectively reduce the construction influence on the excavation deformation and surrounding environment. This paper...
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Geographical distribution of Batrachospermaceae genera in Asia and its environmental factors
Batrachospermaceae is an important group of freshwater red algae. Available data of the latitude, longitude, and environmental factors on...
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A computational method proposal on the determination of grouting parameters for shield construction in water-rich earth materials
Grouting process in shield construction plays an important role in controlling surface deformation and ensuring structural stability. The soil in...
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Face failure mechanism of shield tunnel in sandy ground with different low moisture contents
Maintaining face stability of tunnels during tunnel excavation is essential. Studies on face stability of shield tunnels are generally conducted in...
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Assessing the Effect of Particle Size Distribution on Permeability of Silty-Sandy Soils
The hydraulic conductivity is an important parameter in geotechnical studies. This parameter is required for analyzing, predicting, or modeling water...
