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Keqi Liu

Northeastern University (USA)

220 B RP

Boston, MA 02115

United States

  • Northeastern University (USA)

SCHOLARLY PAPERS

10

DOWNLOADS

233

TOTAL CITATIONS

1

Scholarly Papers (10)

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1.

An Analytical Solution of Equivalent Elastic Modulus Considering Three-Dimensional Stress and its Stress-Kinematic Characteristics for Jointed Rock Masses

Number of pages: 37 Posted: 16 Jan 2025
Honglin LUO, Zhechao Wang, Keqi Liu, Liping Qiao and Hefei YUN
Northeastern University (USA), Northeastern University (USA), Northeastern University (USA), Northeastern University (USA) and Northeastern University (USA)
Downloads 50 (1,074,648)

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Equivalent elastic modulus, Three-dimensional stress, Sensitivity, Stress-kinematic characteristics

2.

Stress-Strain State Zoning Model and Novel Large Deformation Classification Method for Squeezing Tunnels

Number of pages: 33 Posted: 06 Jun 2024
Honglin LUO, Zhechao Wang, Keqi Liu, Liping Qiao and Qing Leilei
Northeastern University (USA), Northeastern University (USA), Northeastern University (USA), Northeastern University (USA) and Northeastern University (USA)
Downloads 33 (1,277,121)
Citation 1

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Squeezing tunnel, Large deformation, Stress-strain state zoning, Relative support pressure, Deformation classification method

3.

Analytical Solution for the Deformation Modulus of Jointed Rock Masses Under Three-Dimensional Stress and its Engineering Applications

Number of pages: 38 Posted: 11 Jun 2025
Honglin LUO, Zhechao Wang, Keqi Liu, Liping Qiao and Tao Wang
Northeastern University (USA), Northeastern University (USA), Northeastern University (USA), Northeastern University (USA) and affiliation not provided to SSRN
Downloads 28 (1,359,097)

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Deformation modulus, Three-dimensional stress, Sensitivity, Stress-kinematic characteristics

4.

Prediction of Soil Conditioner Dosages for Shield Tunneling in Sandy Soil Based on Machine Learning

Number of pages: 49 Posted: 19 May 2025
Keqi Liu, Xueyi Liang, Wen Zhao, Xiumei Cao and Hezheng Pei
Northeastern University (USA), Northeastern University (USA), Northeastern University (USA), Northeastern University (USA) and Northeastern University (USA)
Downloads 28 (1,345,526)

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EBP shield tunneling, soil conditioning, Tunneling parameters, machine learning, Prediction model

5.

Experimental Study on the Workability of Sands Conditioned with Bentonite-Silty Clay Modified Slurry

Number of pages: 32 Posted: 15 Mar 2024
Xin Wang, Wen Zhao, Keqi Liu, Shengang Li, Peng He and Peng Qi
Northeastern University (USA), Northeastern University (USA), Northeastern University (USA), Northeastern University (USA), affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 27 (1,359,097)

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EBP shield Tunnelling, Bentonite slurry, Soil conditioning, Slump test

6.

A Multivariate Model of Deep Slurry Penetration in Slurry Shield Tunneling

Number of pages: 42 Posted: 30 Sep 2023
Keqi Liu, Hezheng Pei, Shuhong Wang, Ze Zhang and Runsheng Yang
Northeastern University (USA), Northeastern University (USA), Northeastern University (USA), Northeastern University (USA) and Northeastern University (USA)
Downloads 26 (1,372,601)

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Slurry, Deep penetration, Multivariate, Moving boundary, Finite difference

7.

Study on recycling waste silty clay as shielding slurry and its filtration performance

Number of pages: 45 Posted: 10 Jan 2026
Hezheng Pei, Quansheng Liu, Keqi Liu and Xueyi Liang
Northeastern University (USA), Wuhan University, Northeastern University (USA) and Northeastern University
Downloads 18 (1,470,786)

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8.

Performance Test and Modification Mechanism of Recycled Silty Clay Slurry as a Slag Conditioner

Number of pages: 36 Posted: 08 Jul 2024
Keqi Liu, Pengxi Lu, Shuhong Wang and Wen Zhao
Northeastern University (USA), Northeastern University (USA), Northeastern University (USA) and Northeastern University (USA)
Downloads 15 (1,500,778)

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EPBS, Silty Clay, Rheological Properties, Modification Mechanism

9.

Orthotropy in elastoplastic properties of carbonaceous slate: experimental observations and constitutive modelling

Number of pages: 40 Posted: 24 Jun 2026
Zhechao Wang, Keqi Liu, Xiumei Cao and Honglin LUO
Northeastern University (USA), Northeastern University (USA), Northeastern University (USA) and Northeastern University (USA)
Downloads 5

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Layered folded carbonaceous slate, Principal axis and principal plane of rock, Orthotropic parameters, Elastoplastic constitutive model, Crack volumetric strain

10.

A machine learning-based approach for predicting slurry properties and optimizing formulations in slurry shield tunneling

Number of pages: 33 Posted: 19 May 2026
Hezheng Pei, Xueyi Liang, Hezheng Pei and Keqi Liu
Wuhan University, Northeastern University, Northeastern University (USA) and Northeastern University (USA)
Downloads 3 (1,584,314)

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