Shui-Long Shen

Shui-Long Shen
Shantou University | STU · College of Engineering

PhD

About

403
Publications
199,737
Reads
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13,551
Citations
Additional affiliations
May 2019 - present
Shantou University
Position
  • Head of Faculty
August 2004 - April 2019
Shanghai Jiao Tong University
Position
  • Professor
March 2003 - August 2004
Shanghai Jiao Tong University
Position
  • Lecturer
Description
  • Full time
Education
October 1995 - September 1998
Saga University
Field of study
  • Social System Engineering (Geotechnical Engineering)
September 1986 - March 1989
Tongji University
Field of study
  • Structural Engineering
September 1982 - July 1986
Tongji University
Field of study
  • Civil Engineering (Tunnelling)

Publications

Publications (403)
Article
The pore morphology method (PMM) has been widely applied to simulate the quasi–static drainage process of porous media, which requires less computational time and computer memory compared to other two–phase flow simulation methods. However, most of the existing pore morphology simulations were restricted to totally wetting systems (i.e., contact an...
Article
Many technologies have been designed to monitor, evaluate, and improve surface water quality, as high-quality water is essential for human activities including agriculture, livestock, and industry. As such, in this study, we investigated water quality indices (WQIs), trophic status indices (TSIs), and heavy metal indices (HMIs) for assessing surfac...
Article
Full-text available
This paper proposes a framework to identify geological characteristics (GC) based on borehole data and operational data during shield tunnelling using a fuzzy C-means algorithm. The proposed fuzzy C-means model was established by integrating the K-means ++ algorithm into the fuzzy set theory. The identified factors for GC include advance rate, cutt...
Article
Inaccurate estimation of energy from the shield driving system may result in serious energy loss and low tunneling efficiency. A deep learning network is developed in this study to optimize the energy consumption of cutterhead drives in a shield tunneling system. The proposed model, KCNN-LSTM, cooperates convolutional neural network (CNN) and long...
Article
This study investigates the safety status for a shield machine during tunnelling. An enhancement of the existing set pair analysis (SPA) method incorporating with interval-based fuzzy numbers is proposed to assess the safety status. The enhanced SPA overcomes the limitation of a judgment procedure concerning the positive or negative characteristic...
Article
Full-text available
This paper presents a risk evaluation model of excavation system. The model is developed based on extended TODIM method (TODIM is an acronym in Portuguese for Interactive Multi-criteria Decision Making). Developed model consists of three phases: data collection and benchmark risk level classification, extended TODIM method application and risk stat...
Article
A risk evaluation model for an excavation system incorporating the technique for order preference by similarity to an ideal solution with hybrid fuzzy sets (Pythagorean and triangular fuzzy sets) is developed. The proposed model consists of three phases: i) decision hierarchy construction, ii) multi-source data integration, and iii) high-risk facto...
Article
Full-text available
This paper presents a novel deep learning model for real-time prediction of shield moving trajectory during tunnelling. The proposed model incorporates a wavelet transform (WT) into Adam-optimised long short-term memory (LSTM) (WT-Adam-LSTM). The WT is employed to remove the irrelevant noise of data in the time and frequency domains, which allows t...
Article
A novel activation function (referred to as tanhLU) that integrates hyperbolic tangent function (tanh) with a linear unit is proposed as a promising alternative to tanh for neural networks. The tanhLU is inspired by the boundlessness of rectified linear unit (ReLU) and the symmetry of tanh. Three variable parameters in tanhLU controlling activation...
Article
This study presents a framework for predicting geological characteristics based on integrating a stacking classification algorithm (SCA) with a grid search (GS) and K-fold cross validation (K-CV). The SCA includes two learner layers: a primary learner's layer and meta-classifier layer. The accuracy of the SCA can be improved by using the GS and K-C...
Article
This paper presents a numerical investigation of the mechanical behaviour of segmental linings owing to the existence of voids in the composite lining. The composite lining was formed by mining outside and shield tunnelling inside with backfill in between. Finite element method was conducted to analyse the axial forces and bending moment for voids...
Article
This study presents a hybrid model based on the particle swarm optimization (PSO) algorithm and a long short-term memory (LSTM) neural network. PSO can determine the hyperparameters for the LSTM neural network. Using this approach, a framework for automatic data collection and application of the developed model during tunnel excavation was explored...
Article
Existing penetration models for grouting slurry seldomly consider the relationship between dry density and complexity of soil. A novel penetration model, in which the complexity of the flow path in soil was described by fractal theory, has been proposed for quantifying the maximum penetration distance of grout slurry flowing through soils with diff...
Article
This study develops a risk status evaluation model by integrating the technique for order preference by similarity to an ideal solution (TOPSIS) and Monte Carlo simulation (MCS) methods. The excavation system is divided into subsystems based on the monitoring scheme. The TOPSIS method integrates the information on the influential factors, and MCS o...
Article
Strengthened recycled aggregate concrete (RAC) with pozzolanic materials is considered eco-friendly concrete and the early assessment of its hardened characteristics is vital for the design and implementation procedures. Therefore, developing an accurate approach for modeling the compressive strength of strengthened RAC is essential since the compr...
Article
The interface between unsaturated soil and structure plays an important role in various geotechnical structures in natural environment. In this study, a series of three-dimensional numerical direct shear tests are conducted on a soil-structure interface under various suctions and normal stresses by using the discrete element method (DEM). The simul...
Article
Thermal and saline environment significantly affects the swelling behavior of montmorillonite (Mt) that is crucial for the safety of engineering barrier. However, the swelling mechanism of Mt under non-isothermal and saline environment remains poorly understood. A molecular Na-Mt model is proposed to analyze the swelling pressure change of Mt under...
Article
A novel and effective artificial neural network (ANN) optimized using differential evolution (DE) is first introduced to provide a robust and reliable forecasting of jet grouted column diameters. The proposed computational method adopts the DE algorithm to tackle the difficulties in the training and performance of neural networks and optimize the f...
Article
This paper presents a series of experimental investigations on the time-dependent characteristics of ethylene-propylene-diene monomer (EPDM) under various temperatures and strain conditions. The time-dependent mechanical properties including relaxation modulus and creep compliance of EPDM are investigated through short-term experiments. Based on th...
Article
This study presents a non-linear spring model for modelling the backfill grout consolidation behind shield tunnel lining. Two important parameters, i.e. the time-dependent grout pressure decay induced by consolidation and the grout-cake thickness, were derived through a non-linear spring model and continuity equation. The proposed non-linear spring...
Article
Consolidation deformation induced by low frequency cyclic loads was investigated by finite element analysis (FEA) and some available test data. Both one-dimensional (1D) consolidation and the consolidation of a prefabricated vertical drain (PVD) unit cell were considered. With theoretical reasoning and using the results of FEA, it has been establis...
Article
Earthquakes are natural phenomena which cannot be controlled, but their effects can be minimised. This study proposes a state-of-the-art review of the main effects of earthquakes on civil engineering structures and provides possible mitigation solutions to reduce seismic vulnerability. The main aspects reviewed include the liquefaction in dams and...
Article
This article integrates the truncated hierarchical B-spline into the material point method (MPM) to address the large deformation problem in geotechnical engineering. The proposed approach allows the MPM to work with a locally refined hierarchical background grid, by which computational resources could be concentrated in spatial domains of concern....
Article
This study presents a case study on construction efficiency during earth pressure balance (EPB) shield tunnelling in the soft deposit of Tianjin, China. To evaluate the construction efficiency, energy consumption during tunnelling is summarised and soil properties are analysed in terms of several key factors related to energy consumption during the...
Article
The use of cement as a curing agent has been widely adopted in soft soil engineering to increase the strength of soft soil. The cemented soil is gradually exposed to the air and in a natural environment becomes unsaturated. Unconfined compressive strength (UCS) of the unsaturated cemented soils is a key parameter for assessing their strength behavi...
Article
This paper presents the measurement and prediction of the tunnelling-induced surface response in karst ground, Guangzhou, China. A predictive method of ground settlement is proposed named as the expanding deep learning method. This method kinetically uses the expanding tunnelling data to predict ground settlement in real time. Four types of deep le...
Article
This study presents a numerical investigation of dewatering-induced settlement and wall deflection during pumping tests in Tianjin, China. Based on the measured groundwater head and building settlement during the pumping test, a three-dimensional liquid-solid coupling model is established by using the finite element method (FEM). The void ratio, hy...
Article
Full-text available
In a composite column, the performance of both the concrete and steel has a considerable effect on the structural behaviour under different loading conditions. This study applies several artificial intelligence (AI) techniques to optimise the bearing capacity of concrete-filled steel tube (CFST) columns. First, the bearing capacity values of the CF...
Article
Full-text available
This study investigates the hydrochemistry of the Mandi Baha-Ud-Din district, which is an important part of the Jhelum Basin. The study area is highly populated with low facilities in the provision of clean drinking water. A Geographic Information System (GIS) was used to map the spatial variability of different physicochemical parameters. A total...
Article
Full-text available
The data presented in this article pertain to field records of EPB shield machine in Metro Line No.5 in Tianjin, China. Field performance of shield machine (cutterhead, screw machine, and shield advancing) are shown in the figures. Specifically, the database consists of the main parameters for shield tunnelling including cutterhead rotation speed,...
Article
Full-text available
We have established a stable regional geodetic reference frame, designated as SChina20, using approximately 10-year observations (2010-2019) at 40 Global Navigation Satellite System (GNSS) sites in South China. The regional reference frame is tied to the International GNSS Service (IGS) Reference Frame 2014 (IGS14) at epoch 2020.0. The primary prod...
Article
This paper presents a new trial to reproduce soil stress–strain behaviour by adapting a long short-term memory (LSTM) deep learning method. LSTM is an approach that employs time sequence data to predict future occurrences, and it can be used to consider the stress history of soil behaviour. The proposed LSTM method includes the following three step...
Article
The construction of a metro system in groundwater-rich stratums can cause an imbalance in groundwater levels. This study presents an automatic pumping-recharge system (APRS) to maintain groundwater balance during dewatering, thereby protecting the environment. The APRS overcomes the limitations of the traditional pumping-recharge operation performe...
Article
This study presents an approach based on the improved technique for order preference by similarity to an ideal solution (TOPSIS) to perform comprehensive environmental impact evaluation for concrete mixing station (CMS) and to determine the optimal location of CMS. An evaluation framework consisting of four indicators and 12 sub-indicators from the...
Article
Full-text available
Monte Carlo simulation (MCS) is applied in the engineering with great fuzziness and uncertainty. Technique for order preference by similarity to an ideal solution (TOPSIS) method is used to deal with multi-criteria decision-making issue. Membership function is used to determine the membership degree of evaluated index. This paper presents the metho...
Article
This paper presents a brief review on major accidents and conducts bibliometric analysis of risk assessment methods for excavation system in recent year. The summarization of potential risks during excavation provides an important index for establishing an early warning system. The applications of fuzzy set theory and machine learning methods in ri...
Article
Full-text available
This paper introduces an intelligent framework for predicting the advancing speed during earth pressure balance (EPB) shield tunnelling. Five artificial intelligence (AI) models based on machine and deep learning techniques—back-propagation neural network (BPNN), extreme learning machine (ELM), support vector machine (SVM), long-short term memory (...
Article
Full-text available
• Water quality is one of the most essential factors to influence human daily life and environment health. Risk assessment of water quality has critical significance to sustainable development of human society and natural systems. Set pair analysis (SPA) methods are widely used in risk assessment, especially in water resources. The essence of SPA i...
Article
This study proposes a novel fuzzy model for identifying high-risk factors during excavations in urban karst geological environments. The proposed model incorporates the interval analytic hierarchy process (I-AHP) into the technique for order preference by similarity to an ideal solution (TOPSIS). The developed model considers the complex geological...
Article
Full-text available
The bidirectional long short-term memory (Bi-LSTM) network is an innovative computation paradigm that learns bidirectional long-term dependencies between time steps and sequence data to predict future occurrences. This study proposes a framework to incorporate Bi-LSTM and data sequencing to predict diameter of jet grouted columns in soft soil in re...
Article
Geological uncertainty exists widely in nature, which has a pivotal influence on the deformation and stability of the geotechnical structure. The coupled Markov chain (CMC) model is a widely used method to simulate the variability of strata. However, the difficulty to determine the horizontal transition probability matrix (HTPM), one of the importa...
Article
Cracking of concrete structures during hydration often occurs during construction. This study investigated the expansive property of concrete with an unstrained expansive agent to reduce cracking. Laboratory tests, field measurement, and numerical simulations on deformation during hydration were investigated. The test results of the unstrained spec...
Article
Full-text available
This article presents a case study on the risk assessment of geohazards along Cheng-Kun railway line. Cheng-Kun railway passes through a region of highly varied elevation and faults and the operation of Cheng-Kun railway has been frequently interrupted owing to geological disasters. A hybrid method via integrating triangular fuzzy number (TFN) and...
Article
Full-text available
The hydro-mechanical behaviour of a reconstituted unsaturated soil under different suctions and strain rates was studied through various rate-controlled unsaturated/undrained triaxial tests. The fully saturated reconstituted specimens were desaturated to four different initial suctions (s0 = 0, 100 kPa, 200 kPa and 300 kPa) and then triaxially shea...
Article
This study presents an approach for eutrophication evaluation based on the technique for order preference by similarity to an ideal solution (TOPSIS) method and Monte Carlo simulation (MCS). The MCS is employed to produce a normally distributed dataset based on the observed data while the TOPSIS method and membership function are used to evaluate t...
Article
This paper summarized the shallow geothermal resources within a depth of 200 m in China. This geothermal resource is divided into five regions based on the geological structures, geomorphology, geology, and hydrogeology. The recoverable amount of shallow geothermal energy (SGE) is equivalent to 7 × 10¹² kg of standard coal in a survey area of 1.69...
Article
This study proposes an artificial intelligence approach to predict ground settlement during shield tunneling via considering the interactions among multi-factors, e.g., geological conditions, construction parameters, construction sequences, and grouting volume and timing. The artificial intelligence approach employs a hybrid neural network model th...
Article
Full-text available
The dataset presented in this article pertains to records of shield tunneling-induced ground settlements in Guangzhou Metro Line No. 9. Field monitoring results obtained from both the two tunnel lines are put on display. In total, 17 principal variables affecting ground settlements are tabulated, which can be divided into two categories: geological...
Article
Full-text available
Slope failures lead to catastrophic consequences in numerous countries and thus the stability assessment for slopes is of high interest in geotechnical and geological engineering researches. A hybrid stacking ensemble approach is proposed in this study for enhancing the prediction of slope stability. In the hybrid stacking ensemble approach, we use...
Article
This paper presents an analytical model to investigate backfill grout diffusion behind tunnel segmental lining, in which the backfill grout is taken as a Bingham fluid. The analytical model of grout diffusion is derived based on force–equilibrium principle, Darcy's law, and the law of momentum conservation of the grout. Time‐dependent grout diffusi...
Article
Full-text available
This data in brief presents the monitoring data measured during shield tunnelling of Guangzhou–Shenzhen intercity railway project. The monitoring data includes shield operational parameters, geological conditions, and geometry at the site. The presented data were arbitrarily split into two subsets including the training and testing datasets. The fi...
Article
Full-text available
Tunnel pressure from the surrounding rocks plays a critical role for the safety of tunnel. The existing methods for calculate twin-tunnel pressure supposed that the tunnel is buried in a uniform soil layer. This work presents detailed equations of an analytical method to calculate the twin-tunnel pressure in layered strata, which can consider the e...
Article
Full-text available
Discussion on a case study of EPB tunnelling in weathered granite with boulders
Article
Full-text available
Inspection scheduling is an important task in the maintenance of tunnels, which will obviously affect the lifetime maintenance cost and risk. Traditional periodic inspection with fixed inspection interval has low efficiency in the early age or high risk in the later age of tunnel. This study aims at developing a novel non-periodic inspection policy...
Article
This study proposes a new set-pair analysis (SPA) method by enhancing existing SPA methods using interval-based fuzzy numbers (IFN), referred to as the IFN-SPA method. The IFN-SPA method uses the relative distance to express the degree of importance between assessment samples and criteria, which overcomes the limitations of existing SPA methods. It...
Article
Full-text available
Disc cutter consumption is a critical problem that influences work performance during shield tunneling processes and directly affects the cutter change decision. This study proposes a new model to estimate the disc cutter life (H f) by integrating a group method of data handling (GMDH)-type neural network (NN) with a genetic algorithm (GA). The eff...
Article
This paper presents an experimental investigation on the water-swelling characteristics of two polymers used for shield tunnel sealing gaskets: water-swelling polyurethane (WSP) and a mixture (WSRP) of WSP and water-swelling rubber (WSR). Scanning electron microscopy, Fourier transform infrared spectroscopy, thermogravimetric analysis, and water-sw...
Article
The injection of large volumes of pressurized water and grout into the subsoil during jet grouting generates a sudden increase in excess pore water pressure. This study proposes a theoretical approach to evaluate the variation in excess pore water pressure caused by the installation of a jet grouting column in clay, accounting for the chronological...
Article
This study proposes a novel analytical approach to calculate tunnel pressure due to the surrounding rock of a twin-tunnel in layered strata. The proposed approach is based on a limit equilibrium analysis that considers different failure patterns (depending on whether failures are located in the upper or lower layers). The proposed approach is adopt...
Article
Full-text available
When pumping is conducted in confined aquifer inside excavation pit (waterproof curtain), the direction of the groundwater seepage outside the excavation changes from horizontal to vertical owing to the existence of the curtain barrier. There is no analytical calculation method for the groundwater head distribution induced by dewatering inside exca...
Article
This study investigates the mechanical, flame‐retarding, and creep‐recovery proprieties of ethylene–propylene–diene monomer (EPDM) composites. The EPDM composites are filled with different contents of nano‐Mg(OH)2 (NMH) or nano‐Al(OH)3 (NATH). To examine the effect of contents of NMH (or NATH) and seawater immersion, mechanical tests are conducted...
Article
Some wastewater sources, such as agricultural waste and runoff, and industrial sewage, can degrade water quality. This study summarises the sources and corresponding mechanisms that trigger eutrophication in lakes. Additionally, the trophic status index and water quality index (WQI) which are effective tools for evaluating the degree of eutrophicat...
Article
This paper presents a case history of an earth pressure balance shield tunnelling project in Guangzhou, China. It beings with an explanation of the project background and geological conditions on site. The shield machine passed through variably weathered granite with randomly distributed boulders. Based on the different geological formations, the t...
Article
This paper investigates the waterproofing properties of two water swelling gasket materials, i.e. water-swelling rubber (WSR) and water-swelling polyurethane (WSP). Swelling tests were performed to measure the swelling ratios in both compression and free swelling states. A dynamic mechanical analyzer (DMA) was employed to measure the storage moduli...
Article
The degradation mechanism of ethylene–propylene–diene monomer (EPDM), when used as a sealant material for shield tunnels, must be known to assess of the service life of sealant gaskets. This paper presents a series of experimental investigations on the degradation performance of EPDM due to aging under artificial seawater and hot air conditions. Th...
Article
Full-text available
This article provides comprehensive experimental data of two polymers for shield tunnel sealing gasket: i) water swelling polyurethane (WSP) and ii) a mixture (WSRP) of WSP and water swelling rubber (WSR). Water-swelling tests are conducted to investigate the microstructural changes and properties of both WSP and WSRP during water swelling. These d...