Suraparb Keawsawasvong

Suraparb Keawsawasvong
Thammasat University · Department of Civil Engineering

PhD (Civil Engineering)

About

220
Publications
54,675
Reads
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2,520
Citations
Citations since 2017
208 Research Items
2518 Citations
201720182019202020212022202302004006008001,000
201720182019202020212022202302004006008001,000
201720182019202020212022202302004006008001,000
201720182019202020212022202302004006008001,000
Education
August 2018 - January 2019
Simon Fraser University
Field of study
  • Applied Sciences
August 2016 - June 2019
Chulalongkorn University
Field of study
  • Engineering Mechanics
June 2013 - May 2015
Chulalongkorn University
Field of study
  • Geotechnical Engineering

Publications

Publications (220)
Article
Full-text available
This study presents a hybrid framework to predict stability solutions of buried structures under active trapdoor conditions in natural clays with anisotropy and heterogeneity by combining physics-based and data-driven modelling. Finite-element limit analysis (FELA) with a newly developed Anisotropic Undrained Shear (AUS) failure criterion is used t...
Article
This paper introduces the plastic stability solutions of braced circular excavations in anisotropic and non–homogeneous clays. Using the framework of Finite Element Limit Analysis (FELA) under axisymmetric conditions, the upper bound (UB) and lower bound (LB) solutions of the stability of excavations can be obtained. The clay is set to be anisotrop...
Article
Full-text available
Little research can be found in relation to the stability of anisotropic and heterogenous soils in three dimensions. In this paper, we propose a study on the three-dimensional (3D) undrained slopes in anisotropic and heterogenous clay using advanced upper and lower bounds finite element limit analysis (FELA). The obtained stability solutions are no...
Article
A two-dimensional (2D) finite-element limit analysis (FELA) was performed under plane strain conditions to investigate the undrained stability of tunnel launch with a rigid wall in anisotropic clays. The anisotropic undrained shear (AUS) failure criteria were applied to identify anisotropic soil behaviors. The average bound solutions were employed...
Article
Full-text available
The bearing capacity of closely spaced footings has become one of the important topics in geotechnical engineering research owing to the rapid development in urban areas around the world. In this paper, we propose three efficiency factors that can be used to describe the bearing capacity effects of closely spaced footings using Terzaghi’s tradition...
Article
A box culvert is a tunnel under roadways or railways that transports open drains or streams. The geotechnical design of such a structure involves accurate evaluation of the earth pressure on the structure. This short technical note pertains to findings of stability factors in tables and charts as an aid to civil engineers in designing unlined squar...
Article
Pile groups are commonly used as the foundations of many structures including those used in transportation infrastructures. Consolidation settlement of a pile foundation is an important design parameter. A theoretical model is developed in this study to estimate the consolidation settlement and axial load transfer of vertically loaded pile groups i...
Article
Full-text available
Mathematical optimization can be a useful strategy for minimizing energy usage while designing low-energy buildings. To handle building energy optimization challenges, this study provides an effective hybrid technique based on the pelican optimization algorithm (POA) and the single candidate optimizer (SCO). The suggested hybrid algorithm (POSCO) b...
Article
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This study aims to explore relationships between drought indicator values and real drought situations as ground truth information in order that such drought indicators can be used appropriately for drought warnings as well as for mitigation measures. Ping river basin, situated in the northern region of Thailand was selected as a case study due to i...
Article
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This paper presents numerical solutions of the undrained stability of spherical cavities in clay derived using lower and upper bounds from finite element limit analysis. The undrained shear strength of clay is assumed to be linearly increased with depth. The solutions consider the influences of three dimensionless parameters: the cover-depth ratio,...
Article
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A novel investigation of the bearing capacity of ring footings embedded in undrained anisotropic clays using a new hybrid soft computation technique that cooperates between finite element limit analysis (FELA) and artificial neural networks (ANNs) is presented in this paper. The undrained shear strength of clays is considered to be anisotropic and...
Article
Full-text available
In this study, an elastic solution of an axisymmetrically surface-loaded thin layer resting on a rigid substrate is established by taking the surface stress and material microstructural effects into account. Derived solutions provide not only a means to investigate the size effects on the mechanical response but also a set of fundamental solutions...
Chapter
The novel equation for determining the stability number of unsupported conical slopes in anisotropic and heterogeneous clays is presented in this study. Multivariate Adaptive Regression Splines (MARS) model ~ a machine learning approach, is adopted to build the close–form equation between input variables and output results, and also investigate the...
Chapter
The bearing capacity solutions for determining the stability of a circular footing placed above a spherical cavity in clay are presented in this study. The circular footing is modeled by rigid plate elements and placed on clay, where the spherical cavity is located beneath the footing. The considered dimensionless parameters are the ratio between t...
Chapter
The timber structure is widely used for construction around the world. Strengthening techniques are needed to improve the deteriorated timber element. This paper presents an experimental investigation on timber beams reinforced with glass fiber reinforced polymer (GFRP) rods under flexural loading. A total of eight specimens including two un-streng...
Chapter
The scaled boundary finite element method (SBFEM) is a semi-analytical method. It is potentially better than the finite element method and the boundary element method for certain problems. This paper explores the efficiency and the accuracy of the scaled boundary finite element method to analyze two-dimensional heat conduction in an anisotropic pro...
Article
Multilayered nanoscale structures are used in several applications. Because the effect of surface energy becomes nontrivial at such a small scale, a modified continuum theory is required to accurately predict their mechanical behaviors. A Gurtin—Murdoch continuum model of surface elasticity is implemented to establish a computational scheme for inv...
Article
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Concrete is weak in tension, so steel fibres are added to the concrete members to increase shear capability. The shear capacity of steel fibre-reinforced concrete (SFRC) beams is crucial when building reinforced concrete structures. Creating a precise equation to determine the shear resistance of SFRC beams is challenging since many factors can inf...
Article
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Closed-ended pipe piles are usually preferred over traditional piles because they are simpler and easier to handle. Also, their quality could be verified easily and at a low cost. However, the seismic response of these piles is still not clearly understood. Therefore, this paper examines the seismic performance of closed-ended pipe piles embedded i...
Article
Similar to many new engineering ideas that are actually interdisciplinary subjects, magneto-electro-elastic (MEE) structures also need accurate ways of describing their structural behaviors. Based on nonlocal elasticity theory, the present article investigates the vibroacoustic behavior of a hollow multilayer cylindrical nanoshell where the core la...
Article
A narrow backfill zone is formed when retaining walls are built near existing stabilized structures (e.g., rock faces). In such circumstances, the classical passive earth pressure coefficient is no longer applicable, and a correction factor is required for the design. This paper aims to develop analytical solutions for estimating the passive earth...
Article
No attention is given in previous studies to understand the influence of the sophistication of the soil constitutive model on the seismic behaviour of piles, although the seismic analysis of piled foundations requires the use of the finite element analysis. Therefore, the goal of this study is to analyse the seismic response of bored piles using so...
Article
Ballastless railway track has been recently recognized as a feasible solution that increases stability of the railway track and also reduces the cost of maintenance. However, little attention has been paid in past studies to understand how this railway track responses to moving trains traveling at low and high velocity. In addition, there is no res...
Article
Full-text available
There is an increased demand on the use of microtunnelling for the installation of new buried pipelines. However, the effect of microtunnelling on the performance of pavements is poorly understood. Hence, this paper aims at addressing this gap in knowledge. A robust three-dimensional finite element model that considers the combined influence of the...
Article
Orosi is a traditional Iranian window which is made of colorful glasses embedded in wooden latticed frame. This window was designed in traditional courtyard houses located in central Iran and behaved as a passive strategy to control light intensity, provide privacy and aesthetics. However, this type of window is rarely used nowadays due to a lack o...
Article
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Background This paper presents the extended work of a seismic hazard map for Bengkulu City, Indonesia. In this current study, seismic hazard maps are generated by considering site variations in Bengkulu City, Indonesia. Methods First, site investigation data is collected. Furthermore, the probabilistic spectral response for Bengkulu City is analys...
Article
Stability evaluations of soil or rock excavation are significantly affected by the shape of the underground cavity. Whilst most of the previous stability research was in circular tunnelling problems, rectangular tunnels are nevertheless seldom studied even though the latter is gaining more popularity in practices, especially in railway engineering....
Article
Full-text available
Background: This study presents a numerical solution for determining the limiting uniform normal pressure acting horizontally behind cohesive-frictional backfill material in a deep contiguous piled wall. At this limiting pressure, the soil tends to flow out in gaps between a series of vertical piles placed at a certain uniform horizontal spacing. M...
Article
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This study aims to explore the tensile and impact properties (tensile strength, modulus of elasticity, and impact strength) of polypropylene (PP)-based nanocomposites reinforced with graphene nanosheets, nanoclay, and basalt fibers. The response surface methodology (RSM) with Box–Behnken design (BBD) was adopted as the experimental design. An inter...
Article
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This study presents a newly developed size-dependent beam-substrate medium model for bending, buckling, and free-vibration analyses of nanobeams resting on elastic substrate media. The Euler-Bernoulli beam theory describes the beam-section kinematics and the Winkler-foundation model represents interaction between the beam and its underlying substra...
Article
Full-text available
Geological conditions such as soil depth to bedrock, soil types, and shear wave veloc- ity (VS) profile can significantly affect the seismic response of a site. Previous studies have shown that using coarse VS profiles could lead to considerable errors in predict- ing seismic responses using one-dimensional site response analysis. These errors can...
Article
Full-text available
Induced trench method is a well-known technique usually used to reduce the soil pressure applied on buried pipes. This method involves the use of a lightweight compressible material above the buried pipe to increase the positive arching, and thus, to decrease the soil pressure applied on the buried pipe. However, little efforts have been given by p...
Article
Full-text available
A microzonation study deals with the classi cation of hazards in a town or city in terms of surface ground motions that result from ampli cation and resonance frequency in soils against seismic tremors. is paper presents the result of a microzonation study in terms of resonance frequency and peak amplitude for Lahore city, Pakistan. In order to rec...
Article
Full-text available
This paper aims to propose new stability equations for the design of shallow, unlined horseshoe tunnels in rock masses. The computational framework of the upper- and lower-bound finite-element limit analysis is used to numerically derive the stability solutions of this problems using the Hoek–Brown failure criterion. Five dimensionless parameters i...
Article
Full-text available
In this paper, Artificial Neural Networks (ANN) have been utilized to predict the stability of a planar tunnel heading in rock mass based on the well-defined Hoek-Brown (HB) yield criterion. The HB model was developed to capture the failure criterion of rock masses. To provide the datasets for an ANN model, the numerical upper bound (UB) and lower...
Article
Full-text available
Corrosion of steel reinforcement is considered as the main cause of concrete structures deterioration, especially those under humid environmental conditions. Hence, fiber reinforced polymer (FRP) bars are being increasingly used as a replacement for conventional steel owing to their non-corrodible characteristics. However, predicting the shear stre...
Article
Full-text available
An upper bound (UB) and lower bound (LB) finite element limit analysis cooperating with a machine learning method is adopted as a new solution for predicting the bearing capacity of conical foundations embedded in anisotropic and heterogenous clays. The anisotropic and heterogenous clays are simulated by anisotropic undrained strength (AUS) model f...
Article
A spudcan is one of the foundation systems widely used to support the load transferred from a jack-up platform for most offshore drilling operations. The spudcan is an axisymmetric footing with a conical shape. The study on the stability effects of anisotropic and non-homogeneous clays on the bearing capacity of this kind of footings is yet to be f...
Article
Full-text available
Predicting the compressive strength of concrete (CSoC) is of high significance in civil engineering. The CSoC is a highly dependent and non-linear parameter that requires powerful models for its simulation. In this work, two novel optimization techniques, namely evaporation rate-based water cycle algorithm (ER-WCA) and equilibrium optimizer (EO) ar...
Article
This paper reports the experimental results obtained from the frst phase of the study involving the loading tests for reinforced concrete (RC) beams retroftted with the jacketing ferrocement system. Five beams, in which one is the control beam, and the other four beams are enlarged with ferrocement jacket, are prepared for the four-point bending te...
Article
Full-text available
In this paper, a numerical study of undrained lateral resistance of fixed-headed rectangular and circular piles is presented. The 3D finite element limit analysis with upper and lower bound theorems is employed to perform the numerical solutions to the pile problem. This study focuses on the combined effect of the three important dimensionless para...
Article
Full-text available
The ultimate lateral resistance of free- and fixed-headed piles in cohesive soil is examined in this paper using the three-dimensional finite element limit analysis with upper and lower bound theorems. A special concern, and that is the novelty of this study, is devoted to the combined effect of the three important dimensionless parameters; namely,...
Article
Full-text available
This study offers a comprehensive investigation into the parameters affecting the sound transmission characteristics of a double-walled sandwich magneto-electro-elastic cross-ply layered plate resting on viscoelastic medium in thermal environment. To this end, the walls of this sandwich structure are modeled based on the assumptions of the first-or...
Article
Full-text available
In this study, a finite element limit analysis-based numerical simulation is carried out using an adaptive mesh refinement technique to investigate the influence of a circular void/cavity having a diameter, d v , on the ultimate bearing capability (UBC) of a strip footing with a width, B resting over rock mass and subjected to a centrally placed li...
Article
Full-text available
Fragmenting the rock mass is considered as the most important work in open-pit mines. Ground vibration is the most hazardous issue of blasting which can cause critical damage to the surrounding structures. This paper focuses on developing an explicit model to predict the ground vibration through an multi objective evolutionary polynomial regression...
Article
Full-text available
In this study, the Multivariate Adaptive Regression Splines (MARS) model is employed to create a data-driven prediction for the bearing capacity of a strip footing on rock mass subjected to an inclined and eccentric load. The strengths of rock masses are based on the Hoek-Brown failure criterion. To develop the set of training data in MARS, the low...
Article
Full-text available
Resistance value (R-value) is one of the basic subgrade stiffness characterizations that express a material’s resistance to deformation. In this paper, artificial intelligence (AI)-based models—especially M5P, support vector machine (SVM), and Gaussian process regression (GPR) algorithms—are built for R-value evaluation that meets the high precisio...
Article
Full-text available
This paper develops an efficient evolutionary hybrid optimization technique based on the adaptive salp swarm algorithm (ASSA) and pattern search (PS) for the reliability evaluation of earth slopes considering spatial variability of soils under the framework of the limit equilibrium method. In the ASSA, to improve the salp swarm approach's explorati...
Article
Full-text available
The redistribution of stresses caused due to relative induced displacements of the soil particles and the displacement between soil and structure is termed as soil arching. The arching in the soil is generally evaluated using a trapdoor test in active and passive conditions. In the study, the undrained stability of strip, circular, and ring shape t...
Article
Full-text available
The stability of unsupported rectangular excavations in undrained clay is examined under the influence of anisotropy and heterogeneity using the three-dimensional finite element upper and lower bound limit analysis with the Anisotropic Undrained Shear (AUS) failure criterion. Three anisotropic undrained shear strengths are considered in the study,...
Article
Full-text available
This research is aimed at investigating the mechanical behavior of the bitumen by the addition of high-density polyethylene (HDPE) and low-density polyethylene (LDPE) obtained from waste plastic bottles and bags. Polymers (HDPE and LDPE) with percentages of 0%, 2%, 4%, and 6% in shredded form by weight of bitumen were used to evaluate the spectrosc...
Article
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This study proposes a new metaheuristic optimization algorithm, namely the white-tailed eagle algorithm (WEA), for global optimization and optimum design of retaining structures. Me-taheuristic optimization methods are now broadly implemented to address problems in a variety of scientific domains. These algorithms are typically inspired by the natu...
Article
Full-text available
For the safe and economical construction of embankment dams, the mechanical behaviour of the rockfill materials used in the dam's shell must be analyzed. The characterization of rockfill materials with specified shear strength is difficult and expensive due to the presence of particles greater than 500 mm in diameter. This work investigates the fea...
Article
The paper presents axisymmetric FEA solutions for the bearing capacity of conical footings embedded in anisotropic and inhomogeneous clays using NGI-ADP model. The bearing capacity fac- tor of conical footings is defined to be a function of three dimensionless parameters: (i) the cone apex angle, (ii) the increasing strength gradient ratio, and (ii...
Article
Full-text available
It is common that the structures on the hilly terrain have footings laid on rockmass slopes. For such a case, there is a need to evaluate the factors governing the bearing capacity of the strip footing resting on the rockmass slope. In the study, the bearing capacity of strip footing resting on rockmass slope has been evaluated by finite element li...
Article
Underground water main leakage is one of the main causes of instability of soils and sinkholes. In the event of a water main burst, the pressure is upward and hence the soil layer should be analyzed for blowout stability. Conversely, leakage from low-pressure utilities such as sewer pipes would erode the surrounding soil media and leave it unstable...
Article
Tunneling in soft clay requires accurate estimation of the inner support pressure to prevent undesired ground settlement and maintain the overall soil stability. Previous researchers have shown that the stability factor approach, which is analogous to Terzaghi's bearing capacity factors [critical stability number (N c), N s, and N γ)], is effective...
Article
Full-text available
Seismic bearing capacity of strip footings in cohesive soil slopes considering various embedded depths is investigated in this study. Novel solutions using pseudo-static method and finite element limit analysis (FELA) with upper bound (LB) and lower bound (LB) theorems are presented. The influences of footing depth, slope angle, slope height, undra...
Article
Full-text available
• A state of art approach to evaluate the elliptical tunnel stability of Hoek–Brown rock mass. • Rigorous upper bound and lower bound solutions of elliptical tunnel stability are derived using advanced fnite element limit analysis. • Comprehensive design tables and equations are proposed for stability evaluation.
Article
Full-text available
Pit-in-pit (PIP) excavations in an aquifer-aquitard system may be subjected to catastrophic failures under hydraulic uplift, whilst the associated undrained stability problem was not well analyzed in the past. To this end, a hypothetical model of PIP braced excavation in typical soil layers of Shanghai, China is developed using finite element limit...
Article
Full-text available
In the design stage of construction projects, determining the soil permeability coefficient is one of the most important steps in assessing groundwater, infiltration, runoff, and drainage. In this study, various kernel-function-based Gaussian process regression models were developed to estimate the soil permeability coefficient, based on six input...
Article
Full-text available
Back-to-back mechanically stabilized earth (BBMSE) wall is a specific case of modern earth retention technique, where the design of the wall system depends on the spacing between two walls as the limited space behind the wall controls the interaction between them as well as their stability and lateral earth pressure distribution along the wall heig...