
Suraparb KeawsawasvongThammasat University · Department of Civil Engineering
Suraparb Keawsawasvong
PhD (Civil Engineering)
About
379
Publications
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5,545
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Introduction
Education
August 2018 - January 2019
August 2016 - June 2019
June 2013 - May 2015
Publications
Publications (379)
Stone dust is a voluminous solid waste material, a by-product of stone aggregate processing, generally dumped in landfills. Recently, stone dust was utilized as fine aggregates in various concrete applications with a suitable replacement, which can significantly mitigate environmental pollution. This study investigates the potential of utilizing st...
This paper focuses on the stability analysis of three-dimensional rectangular trapdoors beneath cohesive-frictional soils via three-dimensional finite element limit analysis (3D FELA). By applying Terzaghi’s superposition method, the average upper bound and lower bound limit analyses are conducted to determine three stability factors: the cohesion...
This paper investigates the failure envelopes of horizontal strip anchors under combined V-H-M loading conditions in both 2D (H/suTCB, M/suTCB2) and 3D (V/Vult, H/suTCB, M/suTCB2) spaces. It examines how the anisotropy strength ratio (re) and anchor embedment ratio (D/B) affect the behavior of strip anchors in clays using adaptive finite element li...
Naturally characterized by inherent heterogeneity, rock masses exhibit discontinuous composition comprising rock materials, fractures, and bedding planes. The presence of these natural features challenges the adequacy of conventional analytical methods for stability assessment of practical applications. This paper proposes an alternative approach u...
This study evaluates correlations between the effective angle of internal friction in fine-grained soils and clay content, sand content, liquid limit, plastic limit, and plasticity index. Using a comprehensive database, linear one-dimensional regression analysis and evolutionary computing (EPR-MOGA) were applied to develop explicit mathematical mod...
A significant aspect of offshore pipeline engineering involves evaluating the uplift resistance and failure probability of buried pipelines in clay, which are affected by factors such as pipeline geometry, soil characteristics, material properties, and loading conditions. Subsea marine clay is generally not homogeneous, leading to variations in und...
Open caissons are increasingly utilized for underground construction due to the increasing demand for aboveground structures, which employ the principle of submersion using the self-weight of the edge cutting face and the applied bearing pressure to mitigate the vertical soil reaction. This paper examines the bearing capacity factor of the edge cut...
Clay deposits typically exhibit significant degrees of heterogeneity and anisotropy in their various strength and stiffness properties. Such non-monotonic responses can have a significant impact on the stability analysis and design of overlying shallow foundations. In this study, the undrained bearing capacity of shallow foundations resting on inho...
This paper is concerned with the V-H-M failure envelopes for conical foundations under combined loadings on anisotropic clay. The study employs the three-dimensional finite element limit analysis (3D FELA) technique and utilizes the well-established Anisotropic Undrained Shear (AUS) failure criteria. The focus of the study is on evaluating the infl...
This study investigates the uplift resistance of inclined strip anchors embedded in clays where the undrained shear strength varies spatially. Four input parameters are considered, namely the inclination angle (α), the cover-depth ratio (H/B), the coefficient of variation (COV), and the dimensionless correlation length (Θ) of the un-drained shear s...
This paper is concerned with the assessment of V-H-M failure envelopes of ring foundations subjected to general loadings on anisotropic clay using adaptive three-dimensional finite element limit analysis (3D AFELA). The 3D analysis involves calculations of the bearing capacity of ring surface foundations for individual vertical force (V), horizonta...
This study introduces a novel approach in which three-dimensional finite element limit analysis (3D FELA) is employed to investigate an undrained circular pile under combined loads. The primary aim is to analyze how vertical (V), horizontal (H), and moment (M) loads affect the pile's ultimate capacity. Unique to this research is the exploration of...
Adopting alternative energy sources becomes imperative, despite the existing technical and practical obstacles in its implementation. This study aimed to explore the energy harvesting potential of the thermoelectric effect on concrete surfaces. By examining the impact of incorporating graphite powder into concrete (at 0.5-2.5% of cement weight) and...
This paper proposed a coupling framework based on finite element limit analysis (FELA) and artificial neural network (ANN) to investigate the bearing capacity of ring foundation on slope crest. Six design parameters are considered, namely (i) geometry of slope: slope angle (β), setback ratio (s/B); (ii) geometry of foundation: radius ratio (ri/ro),...
Urban and offshore subterranean comprehensive pipelines are currently utilized frequently as infrastructure for fitting different engineering pipelines used for electricity, signal transmission, natural gas, petroleum, heating, water supply, and drainage systems. This study utilizes the finite element limit analysis (FELA) and artificial neural net...
Tunnel heading stability in two dimensions (2D) has been extensively investigated by numerous scholars in the past decade. One significant limitation of 2D analysis is the absence of actual tunnel geometry modeling with a considerable degree of idealization. Nevertheless, it is possible to study the stability of tunnels in three dimensions (3D) wit...
This review paper investigates the progression of building energy optimization (BEO), with particular emphasis on metaheuristic algorithms (MAs) within this field. This review emphasizes the need for energy-efficient buildings to reduce carbon footprints in response to global warming and the goals of the Paris Agreement. The paper outlines the scop...
Shape of soil grains has a major role in the characterization of its behavior. This important feature has an appreciable impact on all mechanical properties of granular soils. In order to accurately capture such an important contribution, the grain morphological features should be carefully analyzed and described in a systematic manner. The present...
One of the main concerns of underground engineering works, such as subsurface structures and mining in rock formations, is ensuring their safety. The objective of this work is to present the stability analysis of trapdoors in Hoek-Brown (HB) rock masses, and to propose an innovative soft-computing approach utilizing optimized ANN-based surrogate mo...
This study presents a novel machine learning framework for predicting the probability of failure (PoF) of tunnels constructed in spatially random clays considering a soil strength gradient that increases with soil depth. By using random adaptive finite element limit analysis (RAFELA) and an advanced machine learning algorithm, namely Categorical Gr...
This paper provides a comprehensive analysis of the undrained failure envelope for embedded foundations in anisotropic clays. Using the AUS failure criterion as the soil strength model, the study examines how the anisotropic strength (r e) and embedment depth (D/B) affect the behavior of the footing under combined loading conditions. Failure envelo...
This paper presents a novel three-phase damage model for the prediction of the post-peak responses of composite materials, such as recycled aggregate concrete (RAC). The proposed damage model is based on composite damage mechanics and is composed of three phases: cement paste, interface transition zone (ITZ), and aggregate. All phases are assumed t...
In response to the limitations of traditional deterministic machine learning approaches in geotechnical engineering, this study introduces a probabilistic model to quantify uncertainty in bearing capacity predictions for cohesionless soils. Using a dataset from existing literature, the Probabilistic Gradient Boosting Machine (PGBM) was employed to...
The aim of this study is to investigate the influence of rock variability on the failure mechanism and bearing capacity of strip footings. A probabilistic analysis of the bearing capacity of footings on rock masses is conducted in this paper, where random adaptive finite-element limit analysis (RAFELA) with the Hoek‒Brown yield criterion and the Mo...
The uplift capacity of pipelines buried in clay is a critical aspect of their structural integrity, affecting their stability and performance under varying conditions. This study investigates the probabilistic solutions of pipeline stability considering the spatial variability of soil strength by integrating random field theory and adaptive finite...
The rubber wood fly ash (RWFA) was a by-product of heat energy production in Songkhla, Thailand. This research aims to investigate the possibility of using the RWFA and cement (PC) to produce a sustainable starting material. The PC was used to enhance the properties of cellular lightweight rubber wood fly ash geopolymer mortar containing cement (CL...
In this paper, both the finite element limit analysis (FELA) and soft computing techniques of four hybrid XGBoost (XGB) models, namely, GA-XGB, optimized with Genetic Algorithms; SMA-XGB, optimized with Slime Mould Algorithms; PSO-XGB, optimized with Particle Swarm Optimization; ACO-XGB, Ant Colony Optimization; and one Genetic Programing model (GP...
A novel approach based on the coupling of Finite Element Limit Analysis (FELA) and Artificial Neural Network (ANN) is adopted to investigate the effect of the inclination angle and the natural clay properties on the uplift resistance of inclined circular anchors embedded in anisotropic and non-homogenous clays. Totally 1296 3D FELA models with the...
Concrete gravity dams are critical infrastructure assets, and their failure in seismically active regions poses significant risks. The primary problem addressed in this research is the need for a reliable assessment of the seismic fragility of these dams to ensure safety in such areas. The research aims to develop a comprehensive methodology for se...
The stability problem of a tunnel heading in clay remains a significant challenge in geotechnical engineering. Specifically, when considering the spatial variability of the soil, the stability factor may be influenced by geographically random fields. This study investigates the effect of random fields on a probabilistic analysis of a tunnel heading...
This research aimed to examine the effects of an acidic environment on the mechanical properties and durability of bio-mortar (BM) encapsulated with Bacillus subtilis bacteria, in comparison to normal mortar (NM). The results at 28 days indicated that both 3% and 6% HCl significantly increased the compressive strength of the BM by 25% and 50%, resp...
The focus of the study is to examine the undrained behavior of twin circular tunnels in anisotropic and nonhomogeneous clays. To consider the effect of anisotropic soil, the popular anisotropic undrained shear (AUS) failure criteria are adopted in the study while the nonhomogeneous behavior is represented by linearly increasing strength with depth....
This paper employs the Bolton failure criterion, incorporating strength-dilatancy relationships, to analyze the bearing capacity factor of a strip footing on dense sand. Utilizing finite element limit analysis (FELA) based on the lower and upper bound theorems, the study presents the results as average bound solutions. By using the Bolton model, th...
The precise assessment of shallow foundation settlement on cohesionless soils is a challenging geotechnical issue, primarily due to the significant uncertainties related to the factors influencing the settlement. This study aims to create an advanced hybrid machine learning methodology for accurately estimating shallow foundations' settlement (Sm)....
This study introduces new numerical investigations of the uplift capacity of inclined strip anchors buried in anisotropic and heterogeneous clays. The analyses utilize Lower Bound (LB) Finite Element Limit Analysis techniques (FELA) under plane strain conditions, employing the Anisotropic Undrained Shear (AUS) failure criterion. The undrained shear...
The response of a circular foundation embedded in a multi-layered transversely isotropic poroelastic half-space under time-harmonic vertical loading is analyzed by treating the foundation as a classical plate and assuming the foundation-soil contact surface to be smooth and either permeable or impermeable. The displacement influence functions for m...
The use of coarse recycled aggregate in structural concrete members is an alternative and beneficial way to reduce the consumption of natural materials. This is not only due to the limitation of resources of aggregates, but also due to the sustainability of concrete that can make construction industry more eco-friendly and consequently mitigate the...
This study investigated the geotechnical and geophysical properties of the soil layers at the Missan combined-cycle power plant in Iraq. The data from 69 boreholes, including physical and chemical soil properties, were analyzed. The soil is primarily classified as silty clay with moderate to high plasticity, with some sandy layers. Since the Missan...
Braced excavation is a common practice in underground construction for buildings and tunneling in urban areas. To determine the stability and failure behavior of the surrounding soil around the excavation, ensuring that it does not collapse and maintains safety, this study focuses on investigating the undrained stability of a fully supported 3D rec...
This study investigated the uplift and penetration resistance of dual interfering pipelines buried in clay using advanced regression machine learning models, specifically the group method of data handling (GMDH), genetic programming (GP), extreme gradient boosting (XGBoost), and random forest (RF). The dataset comprises 256 numerical FELA data poin...
This study introduces a novel approach employing four innovative hybrid CatBoost-based soft-computing models to accurately predict the ultimate bearing capacity of T-shaped strip footings on cohesive-frictional soils. This research aims to enhance the design's safety and economy by defining critical parameters such as the footing width (B), embedme...
In the study, a thorough analysis of the drained bearing capacity factors of cutting edges of open caissons with and without interference has been carried out which helps in planning the controlled sinking of caissons. Five different conditions are analysed in this study: single circular, single planar, V-shape planar, interfering planar, and inter...
Harnessing vibrations in multifunctional nanostructured plates is pivotal to next-gen microsystems but necessitates understanding scale effects under multifield loading. Investigated in this work are the forced and unforced vibrations of multilayered piezoelectric nanoplates supported on a variable viscoelastic medium and loaded hygrothermo-electro...
This paper introduces novel explicit models to predict the frictional resistance of open and closed-ended pipe piles subjected to seismic loading. This research employs genetic programming (GP) and multiobjective genetic algorithm-based evolutionary polynomial regression (EPR-MOGA) to develop closed-form expressions for estimating pile frictional r...
In this paper, a new algorithm named the improved transient search optimization algorithm (ITSOA) is utilized to solve classical test functions, optimize the consumption of building energy, and optimize hybrid energy system production. The conventional TSOA draws inspiration from the fleeting behavior of electrical circuits with energy storage comp...
The problem of trapdoor stability is a crucial problem in geotechnical engineering. This study is the first to introduce novel neural network-based metaheuristic models for the stability prediction of 3D rectangular trapdoors in anisotropic and nonhomogeneous clays. However, no researcher has considered such trapdoor problems in the past. In this s...
This study aims to explore the significant impact of soil fabric anisotropy on the ultimate bearing capacity of eccentrically and obliquely loaded shallow foundations overlying a geosynthetic-reinforced granular deposit. For this purpose, the well-established lower bound theorems of limit analysis (LA) in conjunction with the finite elements (FE) f...
The objective of this study is to investigate the stability of plane strain rectangular tunnels under the effects of soil cohesion, surcharge loading, and soil unit weight. The novelty of the study is to extend Terzaghi's bearing capacity equation approach for determining three tunnel stability factors (Nc, Ns, and Nγ) that can be used to evaluate...
This paper proposes a novel nonlocal beam-substrate model for the static bending analysis of a nanobeam system on a substrate medium. The proposed model incorporates the coupling interaction among nonlocality, surface energy, and substrate-structure interaction. The mixture stress-driven nonlocal model is used to capture the material’s small-scale...
The investigation of the ultimate bearing capacity (UBC) of shallow foundations has consistently been a significant area of study within the realm of geotechnical engineering. Estimating the UBC is a challenging and intricate task due to the influence of various factors, including soil qualities, foundation depth, and shape. Consequently, this subj...
The tunnel face stability in undrained anisotropic clay that has an increasing shear strength with depth is investigated by using three-dimensional (3D) finite element limit analysis (FELA). Four dimensionless input parameters are considered in this study to develop the dataset of the tunnel stability factors, which include the overburden stress ra...
Foundations can be subjected to dynamic or seismic loads depending on their applications and the site being constructed in. The researchers concentrated their works on investigating the reasons of the significant damage of piles during seismic excitation. Based on the findings of laboratory experiments and other numerical analyses, such failures we...
The rock mass deformation modulus (RMDM) plays a crucial role in dam and tunnel design. This study introduces advanced machine-learning (ML) models to predict RMDM using rock mass rating (RMR) and the Q-system at the Khersan-2 dam site in southwestern Iran. Through the analysis of exploratory boreholes, the engineering geological properties of the...
The critical aspect of the seismic bearing capacity of footings holds significant importance in the field of geotechnical engineering. Past research has primarily focused on deterministic analyses, mainly neglecting or ignoring the spatial variability of the soil. This study aims to address this gap by employing a probabilistic approach to assess t...
This paper investigates the stability solutions for plane-strain circular and rectangular tunnels in cohesive-frictional soils using the Mohr-Coulomb failure criteria. The study examines the impact of pseudo-static seismic body forces on tunnel failure behavior during earthquakes. Stability analysis is conducted using two-dimensional finite element...
The fundamental issue of bearing capacity of footings on anisotropic clays holds significant importance in geotechnical engineering. Previous investigations predominantly focused on deterministic analyses, disregarding the spatial variability of soil. A probabilistic analysis of the bearing capacity of footings is conducted in this paper, incorpora...
This work investigates the free vibrations of innovative thermally loaded nanoplates constructed by integrating magneto-electro-elastic (MEE) layers with functionally-graded graphene platelet-reinforced composite cores (FG-GPLRC) and accounting for viscous fluid interactions. An advanced multiphysics model is developed using the Navier–Stokes equat...
The seismic stability of unsupported rectangular excavations poses significant challenges in geotechnical engineering, especially in underground structures. This study addresses the need for accurate prediction methods to assess the vulnerability of such excavations under seismic loading conditions. This study addresses seismic stability in excavat...
The construction of durable and sustainable infrastructure requires the use of industrial byproducts such as fly ash (FA) and silica fume (SF) to enhance strength and durability. This study introduces novel machine learning models to forecast the results of rapid chloride penetration test (RCPT) for self-compacting concrete (SCC) containing high vo...
Sheet piles are essential for maintaining the stability and retention of soil in various applications, including railway and highway embankments, offshore structures, post-excavation sites, and slope stabilization projects. The required depth of sheet piles is contingent upon factors such as soil characteristics, groundwater conditions, and the emp...
Cellulose fiber from banana pseudostem waste (CFBP) was obtained from Chonburi, Thailand. After the ripening and harvesting of bananas, the pseudostem is cut down and repurposed into waste biomass. However, its recent integration into engineering applications, such as reinforced concrete and composite materials, aims to optimize its utilization. Th...
Similar to pile group, the process of designing an anchor group requires the determination of an efficiency factor that describes the overlapping effects of neighboring anchors. This research article introduces an efficiency factor denoted as n, which represents the ratio of the ultimate uplift pressure of a single anchor within a group to the ulti...
In this study, the interaction of reverse fault rupture outcrop with rigid strip foundations overlying a sand deposit is examined using the well-established method of upper bound limit analysis in conjunction with the finite element discretization and linear programming technique. The results of the numerical analyses are compared with the experime...
It is normal to do a pile load test to verify the pile capacity before construction using either a static load test or a high-strain dynamic test (HSDT). The latter is favourable due to its simplicity and lower cost, but it lacks a simple equation that could be used to interpret its results. This study aims to develop a simple model that could be e...
This paper presents a comprehensive investigation into the influence of subbase layer thickness and shear strength on the performance of footings situated on very soft, soft, and medium clays using two-dimensional finite element analysis. Subbase thicknesses of 0.5, 1.0, 1.5, and 2.0 m have been considered in the study based on practical considerat...
Open caissons are commonly used in the construction of various underground structures, such as launch and reception shafts for tunnel-boring machines, storage or attenuation tanks, and cofferdams. During the sinking phase, the cutting edge of a caisson wall with a cutting face encounters soil and is subjected to loading to facilitate and control th...
In the present study, the drained bearing capacity factors N’c, N’q and N’γ for rough base circular and ring footings with and without skirts are determined by using the finite element limit analysis (FELA) method. These footings are provided with skirts to increase the bearing capacity and reduce the settlements. The Mohr–Coulomb model and the ass...
Ensuring the reliability of pipe pile designs under earthquake loading necessitates an accurate determination of lateral displacement and bending moment, typically achieved through complex numerical modeling to address the intricacies of soil-pile interaction. Despite recent advancements in machine learning techniques, there is a persistent need to...
The finite element limit analysis solution presented in this paper offers novel approaches for estimating the ultimate bearing capacity of annular foundations on Hoek-Brown criterion. The study examines the effects of five of dimensionless parameters, including the ratio of internal to external radii, the depth ratio, the adhesive factor, the yield...
Determining soil resilient modulus for pavement design traditionally involves resource-intensive repeated load triaxial testing, prompting the need for a reliable and efficient prediction model. While previous research studies have explored evolutionary algorithms and genetic programming to create closed-form models, a significant gap exists in inc...
This study aimed to investigate the effects of cellulose fiber (CF) as a natural waste, glass fiber (GF), and polypropylene fiber (PPF) on the mechanical properties and microstructure of high-strength concrete (HSC). The analysis of the results focused on two main parameters: fiber type and fiber proportion. The study revealed that the proportion o...
The conical base of spudcan foundation supporting offshore structures is also called as conical footing contributes to the overall capacity of the foundation. In the study, the vertical bearing capacity factors for the conical footing considering different base roughness (α = 0 and 1), varying friction angles of soil (f = 0–40°), and different apex...
Foundations can be exposed to seismic loads in addition to static loads in seismic active areas. Thus, it might be necessary in this situation to use deep foundations rather than shallow foundations in order to prevent bearing capacity failure, improve the system's dynamic stiffness, and/or minimize dynamic oscillations. In a seismically active are...