Assessment of non-linear rock strength parameters for the estimation of pipe-jacking forces. Part 1. Direct shear testing and backanalysis
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2018.07.013
Abstract: Abstract A method of backanalysis was used for the assessment of pipe-jacking forces from three pipe-jacking drives in laminated shale and interbedded lithological units of metagraywacke, siltstone, greywacke and phyllite found in the highly weathered… read more here.
Keywords: assessment; jacking forces; pipe jacking; direct shear ... See more keywords
Design of steel pipe-jacking based on buckling analysis by finite strip method
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2016.11.016
Abstract: Abstract In practice, the steel pipe-jacking can be regarded as a thin-walled cylindrical shell mainly subjected to jacking force in the axial direction and surrounded by the soil which is usually simplified and modeled as… read more here.
Keywords: strip method; finite strip; pipe jacking; steel ... See more keywords
Numerical simulation for an estimation of the jacking force of ultra-long-distance pipe jacking with frictional property testing at the rock mass–pipe interface
Sign Up to like & getrecommendations! Published in 2019 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2019.04.004
Abstract: Abstract In ultra-long-distance rock micro-shield pipe jacking, the pipe wall friction resistance is a key factor that determines the magnitude of the jacking force and the layout of the intermediate jacking stations (IJSs), whereas the… read more here.
Keywords: pipe jacking; pipe; rock; jacking force ... See more keywords
Assessment of experimental friction parameters and contact property of pipe string for the estimation and verification of a solution for pipe stuck in the China's first rock pipe jacking
Sign Up to like & getrecommendations! Published in 2021 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2020.103671
Abstract: Abstract The first rock pipe jacking project of China in Chongqing Guanjingkou encountered a pipe sticking problem soon following the abrupt increase of jacking force. It was essential for the direct shear test results and… read more here.
Keywords: pipe string; pipe stuck; rock pipe; first rock ... See more keywords
Discrete- and Finite-Element Analysis on the Tunneling Safety of Pipe Jacking Machine in Coal Rock Formation
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Technology"
DOI: 10.18280/ijht.380405
Abstract: Received: 21 June 2020 Accepted: 17 September 2020 During pipe jacking in unstable coal rock formation, it is difficult to ensure the stability of the workface and the structural safety of the equipment. To solve… read more here.
Keywords: speed; formation; cutterhead; pipe jacking ... See more keywords
Bearing Capacities and Failure Behaviors of F-Type Socket Joint in Rectangular Pipe Jacking Tunnel
Sign Up to like & getrecommendations! Published in 2023 at "Applied Sciences"
DOI: 10.3390/app13095442
Abstract: The joint bending test was carried out to study the bending mechanical property and deformation characteristics of the F-type socket joint in rectangular pipe jacking tunnels under the conditions of foundation settlement, construction disturbance and… read more here.
Keywords: type socket; socket joint; pipe; rectangular pipe ... See more keywords
Prediction of ground deformation during pipe-jacking considering multiple factors
Sign Up to like & getrecommendations! Published in 2018 at "Applied Sciences"
DOI: 10.3390/app8071051
Abstract: Pipe-jacking is a construction method widely used in pipeline constructions. Prediction of ground deformation induced by pipe-jacking, is important for safety and scheduling purposes. This paper presents an approach to predict ground deformation during pipe-jacking… read more here.
Keywords: ground deformation; ground; pipe jacking; prediction ground ... See more keywords
Flow-Induced Stresses and Displacements in Jointed Concrete Pipes Installed by Pipe Jacking Method
Sign Up to like & getrecommendations! Published in 2019 at "Fluids"
DOI: 10.3390/fluids4010034
Abstract: Transient flows result in unbalanced forces and high pressure in pipelines. Under these conditions, the combined effects of flow-induced forces along with sudden pipe displacements can create cracks in the pipeline, especially at the junctions.… read more here.
Keywords: jacking method; installed pipe; pipe jacking; jointed concrete ... See more keywords
Research on Dewatering Characteristics of Waste Slurry from Pipe Jacking Construction
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15062242
Abstract: A large amount of waste slurry is produced during the construction of pipe jacking projects. To avoid the waste slurry occupying too much urban land, it needs to be rapidly reduced. Due to the complex… read more here.
Keywords: waste; pipe jacking; slurry pipe; waste slurry ... See more keywords
Orthogonal Design and Microstructure Mechanism Analysis of Novel Bentonite Polymer Slurry in Pipe Jacking
Sign Up to like & getrecommendations! Published in 2023 at "Polymers"
DOI: 10.3390/polym15061461
Abstract: The selection of an appropriate slurry ingredient and its percentage ratio is a vital and necessary task for engineers in slurry pipe jacking operations. However, traditional bentonite grouting materials are difficult to degrade because of… read more here.
Keywords: orthogonal design; slurry; slurry pipe; pipe jacking ... See more keywords