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
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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
Experimental study on optimization of pipe jacking mud mixture ratio based on MICP technology
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-83133-9
Abstract: In the course of pipe jacking construction, the carrying-soil effect frequently arises, influenced by factors such as excavation unloading, ongoing disturbance from successive pipe sections, and the progressive accumulation of soil adhesion. The pipe jacking… read more here.
Keywords: pipe jacking; micp slurry; micp; soil ... See more keywords
Comparative research on the pipe-soil frictional resistances of circular and rectangular pipe sections during trenchless pipe jacking
Sign Up to like & getrecommendations! Published in 2024 at "PLOS ONE"
DOI: 10.1371/journal.pone.0297537
Abstract: Pipe jacking is a trenchless construction method to achieve forward tunneling and efficient construction of underground structure simultaneously without extensive surface excavation. In the process of pipe jacking construction, the jacking force provided by the… read more here.
Keywords: pipe; soil frictional; pipe jacking; pipe soil ... 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
Numerical Analysis of Friction Reduction of Grouting in Long-Distance Pipe Jacking
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DOI: 10.3390/app15041782
Abstract: During pipe jacking construction, in addition to overcoming the resistance at the front, there is also the need to overcome significant frictional resistance. Grouting technology is commonly used in engineering to reduce the frictional resistance… read more here.
Keywords: friction reduction; pipe jacking; numerical analysis; reduction ... 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
Numerical Simulation Study on Evolution Process of Carrying-Soil Effect of Rectangular Pipe Jacking
Sign Up to like & getrecommendations! Published in 2024 at "Buildings"
DOI: 10.3390/buildings14103057
Abstract: The carrying-soil effect is an important factor affecting the success or failure of rectangular pipe jacking construction. Because it is difficult to explore the dynamic evolution process of the carrying-soil effect in the field test,… read more here.
Keywords: pipe jacking; soil effect; soil; carrying soil ... See more keywords