Application of GPR reverse time migration in tunnel lining cavity imaging
Sign Up to like & getrecommendations! Published in 2020 at "Applied Geophysics"
DOI: 10.1007/s11770-020-0815-9
Abstract: Correctly locating the tunnel lining cavity is extremely important tunnel quality inspection. High-accuracy imaging results are hard to obtain because conventional one-way wave migration is greatly affected by lateral velocity change and inclination limitation and… read more here.
Keywords: gpr; cavity; migration; lining cavity ... See more keywords
Forward Modelling and GPR Imaging in Leakage Detection and Grouting Evaluation in Tunnel Lining
Sign Up to like & getrecommendations! Published in 2019 at "KSCE Journal of Civil Engineering"
DOI: 10.1007/s12205-020-1530-z
Abstract: Tunnels in the operation period are faced with different types of diseases, such as lining fracture, lining containing voids and lining leakage. In this paper, the common tunnel lining diseases are classified and ground-penetrating radar… read more here.
Keywords: detection; gpr; tunnel; evaluation ... See more keywords
Numerical Investigation of Ground Settlements Induced by the Construction of Nanjing WeiSanLu Tunnel and Parametric Analysis
Sign Up to like & getrecommendations! Published in 2021 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-021-05642-3
Abstract: Tunnel lining stiffness, grout strength and shield-driven speed are important parameters that influence ground surface settlement during tunnel excavation. Optimising these parameters would allow effective control of ground settlement during tunnel construction, specifically the maximum… read more here.
Keywords: tunnel; ground; tunnel lining; construction ... See more keywords
Effect of Internal Blast on Tunnel Lining and Surrounding Soil
Sign Up to like & getrecommendations! Published in 2020 at "Indian Geotechnical Journal"
DOI: 10.1007/s40098-020-00451-1
Abstract: With the recent increase in terrorist attacks on the structures with strategic importance, detailed research intervention is required to study their behaviour under extreme loadings such as loading resulting from blast. Hence, in this investigation,… read more here.
Keywords: tunnel; surrounding soil; cross; soil ... See more keywords
Numerical study of the segmental tunnel lining behavior under a surface explosion – Impact of the longitudinal joints shape
Sign Up to like & getrecommendations! Published in 2020 at "Computers and Geotechnics"
DOI: 10.1016/j.compgeo.2020.103822
Abstract: Abstract In recent years, the vulnerability and protection of subsurface structures under blast loads became a fundamental issue in terms of security (loss of lives and structural damage). A tunnel can be considered as an… read more here.
Keywords: segmental lining; surface explosion; tunnel lining; surface ... See more keywords
Mechanical properties and reasonable proportioning of similar materials in physical model test of tunnel lining cracking
Sign Up to like & getrecommendations! Published in 2021 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2021.123960
Abstract: Abstract Similar materials of surrounding rock and lining suitable for crack of tunnel lining are developed through numerous matching tests according to the numerous theory of geomechanical model test to study the mechanism of crack… read more here.
Keywords: tunnel lining; model test; test; similar materials ... See more keywords
Internal force of a tunnel lining induced by seismic Rayleigh wave
Sign Up to like & getrecommendations! Published in 2018 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2017.11.014
Abstract: Abstract In preliminary seismic analysis and design of a tunnel lining, compared to the frequently-assumed incident S-wave, analytical solutions to internal forces (axial force or thrust, bending moment and shear force) induced by incident R-… read more here.
Keywords: rayleigh wave; tunnel lining; force;
In-situ fire test to assess tunnel lining fire resistance
Sign Up to like & getrecommendations! Published in 2019 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2019.01.002
Abstract: Abstract Tunnels are important elements in road infrastructure. However, as the demand for longer tunnels is growing, the increased traffic volumes can result to potential hazards. Under fire loads concrete tends to spall resulting to… read more here.
Keywords: tunnel; tunnel lining; fire test; situ fire ... See more keywords
Damage evolution of tunnel lining with steel reinforced rubber joints under normal faulting: An experimental and numerical investigation
Sign Up to like & getrecommendations! Published in 2020 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2019.103223
Abstract: Abstract The zones where tunnels through the active faults are proved to be seriously damaged because of the fault dislocation which could be due to strong earthquakes. A steel reinforced rubber joint with flexibility and… read more here.
Keywords: normal faulting; steel reinforced; damage; joints normal ... See more keywords
Mechanical Behavior of RC and SFRC Precast Tunnel Lining Segments under Chloride Ions Exposure
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials in Civil Engineering"
DOI: 10.1061/(asce)mt.1943-5533.0002217
Abstract: AbstractThe structural integrity of precast concrete tunnel lining (PCTL) segments largely depends on its durability performance. The ingress of chloride ions into PCTL segments can induce reinforc... read more here.
Keywords: behavior sfrc; mechanical behavior; precast; chloride ions ... See more keywords
Computational Model of Outer Circle and Inner Ellipse Shield Tunnel Lining Structure
Sign Up to like & getrecommendations! Published in 2021 at "Advances in Civil Engineering"
DOI: 10.1155/2021/2303140
Abstract: Subway tunnels are mostly located in strata with an uneven pressure. This uneven pressure is usually manifested by lateral pressure coefficients less than 1. To adapt to the unevenness of the stratum load, in this… read more here.
Keywords: outer circle; lining structure; structure; tunnel lining ... See more keywords