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Optimizing Sequential Excavation Method for Ground Settlement Control in Tehran Subway Tunnel Line 6
The present study aims to investigate the excavation method, excavation sequence, and optimum trailing distance between excavation stages of the...
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Excavation-induced deformation and stress responses of a highway tunnel in fault fracture rock zone with high geo-stress: a case study of **angjunshan tunnel
Tunnel excavation in high geo-stress shattered fault zone usually causes lining cracking, tunnel collapse and arch settlement because of rock...
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Study on Influence of Shallow Buried Tunnel Excavation on Adjacent Bridge Piles
The influence of metro tunnel excavation on the surrounding existing structures should not be ignored. According to the characteristics of the tunnel...
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Experimental and numerical investigations on cross rock pillar method for super large cross-sectional tunnel excavation
To solve stability issues of super large cross-sectional tunnel with greater than 20 m across and an overall area greater than 314 m 2 during...
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Influence of Anisotropic Stress Conditions on Tunnel Deformation and Sequential Excavation Performance in Rock Mass
This study looks at how anisotropic stress conditions affect the mechanical response of circular tunnels in rock mass using a finite element plane...
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The Floor Heave Mechanism of a Deep Clastic Rock Tunnel in Southwest China: An Experimental Study Based on Excavation Stress Paths
Excavation in deep weak rock engineering can significantly alter the stress state in the surrounding rock, often leading to varying degrees of floor...
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Excavation Stress Path Induced Fracturing Mechanism of Hard Rock in Deep Tunnel
Excavation of deep hard rock tunnels disturbs the initial stress imbalance, which can lead to rockburst, spalling and/or collapse. The disasters are...
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Hydrogeologic Exploration during Excavation of the Lötschberg Base Tunnel (AlpTransit Switzerland)
Many tunnels that are currently being built through the Alps have to cross fractured and karstified formations at great depth and many hundreds of...
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Basement excavation influences zones for deformation of the adjacent side tunnel
Tunnel deformation is hard to predict since the complicated geological conditions and lack of understanding of soil-structure interactions. This...
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Investigation on the deformation mechanism of the full-section tunnel excavation in the complex geological environment based on the PSO-BP neural network
In full-section excavated tunnel construction, the abnormal deformation of the surrounding rock, such as arch cracking and surrounding rock collapse,...
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Large-scale model test for studying the water inrush during tunnel excavation in fault
Water-rich fault fracture zone is one of the main factors leading to water and mud inrush in tunnels, which has attracted wide attention of scholars....
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A Novel Mixed-Mode Power Exponent Cohesive Zone Model for FDEM and Its Application to Tunnel Excavation in the Layered Rock Mass
To investigate the asymmetric failure mechanism and failure mode of layered rock tunnels, a novel mixed-mode power exponent cohesive zone model...
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Computational modeling of seepage in a fractured rock mass during tunnel excavation: a case study from Liaoning Province, China
The research team’s developed GeoSMA-3D (three-dimensional geotechnical structure and model analysis) program was used to enable the visualization...
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Research on the escape mechanism and influencing factors of harmful gas induced by blasting excavation in deep rock tunnel
Based on real-time monitoring data of harmful gasses during blasting and excavation of Yuelongmen Tunnel on Chengdu–Lanzhou Railway, this study...
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Analysis of the Deformation Characteristics of the Surrounding Rock Mass of a Deep Tunnel During Excavation Through a Fracture Zone
Aiming at geological disasters triggered by fracture zones in the surrounding rock mass during the excavation of deep railway tunnels, deformation...
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Application of the NATM Methodology for the Excavation of Rail Tunnel in Difficult Geological Conditions: A Case from Garhwal Himalaya, Uttarakhand
The documentation of excavation method and support design based on rock mass classification systems i.e. rock mass rating (RMR), Q-system and New...
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The spatial distribution of excavation damaged zone around underground roadways during blasting excavation
Knowledge of the degree and depth of the excavation damaged zone (EDZ) resulting from drill-and-blast excavations has important influences on the...
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Study on Excavation Sequence of Pilot Tunnels for a Rectangular Tunnel Using Numerical Simulation and Field Monitoring Method
Cross diaphragm (CRD) method divides the tunnel into multiple pilot tunnels to reduce the span of a single excavation, which is beneficial to reduce...
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Excavation-Induced Fault Instability: A Machine Learning Perspective
Excavation-induced fault instability has been known as a major barrier for underground engineering in deep rocks. A comprehensive understanding of...
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Comparison of spatio-temporal characteristic of microseismic events in deep-buried tunnels with two excavation methods
Two main methods are commonly used in tunnel excavation, drilling and blasting (DB) and tunnel boring machine (TBM) tunnelling method. To better...
