Sealant behavior of gasketed segmental joints in shield tunnels: An experimental and numerical study
Sign Up to like & getrecommendations! Published in 2018 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2018.03.029
Abstract: Abstract Segmental joints are vulnerable parts of the lining structure in precast shield tunnels, both from the structural (lower stiffness compared to main segments) and non-structural (potential water leakage points) perspectives. Previous works have focused… read more here.
Keywords: gasket; study; segmental joints; shield tunnels ... See more keywords
A study on critical dislocation of gasket for segmental linings of shield tunnels
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-024-83882-7
Abstract: Dislocation of segments in shield tunnels significantly contributes to joint leakage, making it crucial to identify the critical dislocation amount of segment linings. To explore the waterproofing mechanism of sealing gaskets under water pressure, a… read more here.
Keywords: critical dislocation; contact stress; dislocation; shield tunnels ... See more keywords
Theoretical solution for the impact of foundation pit excavation with support measures on the underlying shield tunnel
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-13157-2
Abstract: With the rapid development of urban rail transit construction, shield tunnels are increasingly prevalent underground in many cities, resulting in an inevitable increase in foundation pit projects located above existing shield tunnels. Close-proximity excavation of… read more here.
Keywords: shield; foundation; excavation support; shield tunnels ... See more keywords
Influence of the Cutterhead Configuration and Operation Parameters on the Face Stability of EPB Shield Tunnels in Dry Granular Soils
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Geomechanics"
DOI: 10.1061/(asce)gm.1943-5622.0002008
Abstract: Abstract This paper presents a study on the face stability of earth pressure balance (EPB) shield tunnels in dry granular soils using the discrete element model (DEM) method to replicate realistic ... read more here.
Keywords: granular soils; shield tunnels; dry granular; tunnels dry ... See more keywords
Experimental Evaluation of Aging Characteristics of EPDM as a Sealant for Undersea Shield Tunnels
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials in Civil Engineering"
DOI: 10.1061/(asce)mt.1943-5533.0003242
Abstract: AbstractThe degradation mechanism of ethylene–propylene–diene monomer (EPDM), when used as a sealant material for shield tunnels, must be known to assess of the service life of sealant gaskets. Thi... read more here.
Keywords: experimental evaluation; shield; characteristics epdm; shield tunnels ... See more keywords
Life-cycle reliability-based design and reliability updating of reinforced concrete shield tunnels in coastal regions
Sign Up to like & getrecommendations! Published in 2019 at "Structure and Infrastructure Engineering"
DOI: 10.1080/15732479.2019.1674343
Abstract: Abstract In this paper, a novel approach for life-cycle reliability-based design and reliability updating of reinforced concrete (RC) shield tunnels in coastal regions has been developed. For new shield tunnels, a reliability-based durability design criterion… read more here.
Keywords: reliability based; shield tunnels; reliability; life ... See more keywords
Failure Characteristics of Joint Bolts in Shield Tunnels Subjected to Impact Loads from a Derailed Train
Sign Up to like & getrecommendations! Published in 2017 at "Shock and Vibration"
DOI: 10.1155/2017/2829783
Abstract: Impact loads generated by derailed trains can be extremely high, especially in the case of heavy trains running at high speeds, which usually cause significant safety issues to the rail infrastructures. In shield tunnels, such… read more here.
Keywords: impact loads; joint bolts; segmental joint; shield tunnels ... See more keywords
Analysis of Shield Tunnels Undercrossing an Existing Building and Tunnel Reinforcement Measures
Sign Up to like & getrecommendations! Published in 2023 at "Applied Sciences"
DOI: 10.3390/app13095729
Abstract: Research on tunnel excavation has rarely considered the effect of the tunnel excavation on a complete building. Therefore, this paper considered a building with a double basement and piles, and a three-dimensional finite-element model for… read more here.
Keywords: reinforcement; shield tunnels; building; excavation ... See more keywords
Optimisation of Synchronous Grouting Mix Ratio for Shield Tunnels
Sign Up to like & getrecommendations! Published in 2024 at "Applied Sciences"
DOI: 10.3390/app14104098
Abstract: During shield construction in underground spaces, synchronous grouting slurry is poured between the surrounding rock and tunnel lining to ensure stability. For synchronous grouting slurries, few studies have investigated the relationship between the rheological parameters… read more here.
Keywords: segregation; rate; synchronous grouting; mix ratio ... See more keywords