Prediction of jacking force using PSO-BPNN and PSO-SVR algorithm in curved pipe roof

H Zhou, S Huang, P Zhang, B Ma, P Ma… - … and Underground Space …, 2023 - Elsevier
Jacking force prediction is essential for pipe jacking construction, especially when facing
randomness, uncertainty, and nonlinear conditions, which is a challenge for most analysis …

Ground surface deformation caused by pipe jacking construction in a soft soil area: An experiment-based study

J Tang, J Xu, D Zhou, D Huang, K Zeng, Y Li, Z Chen - Buildings, 2023 - mdpi.com
Soft soil has the characteristics of high compressibility, large void ratio, and strong structure.
Therefore, it is more likely to cause surface subsidence or even surface cracking and …

Numerical Model for Rectangular Pedestrian Underpass Excavations with Pipe-Roof Preconstruction Method: A Case Study

SL Chen, SW Chang, ZY Qiu, CW Tang, XL Zhang… - Applied Sciences, 2023 - mdpi.com
Under weak geological conditions, soil deformation and surface settlement are the key
factors affecting the success of shallow-buried rectangular excavation. To investigate this …