ORCID Profile
0000-0003-0110-5034
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Civil Engineering | Civil Geotechnical Engineering | Construction Engineering | Civil Engineering not elsewhere classified | Infrastructure Engineering and Asset Management | Structural Engineering | Construction Materials
Rail Equipment | Cement and Concrete Materials | Civil Construction Processes | Rail Infrastructure and Networks | Civil Construction Planning |
Publisher: American Society of Civil Engineers (ASCE)
Date: 05-2013
Publisher: Elsevier BV
Date: 06-2018
Publisher: Springer Singapore
Date: 04-09-2020
Publisher: Elsevier BV
Date: 06-2017
Publisher: Springer International Publishing
Date: 27-09-2022
Publisher: American Society of Civil Engineers (ASCE)
Date: 12-2020
Publisher: Elsevier BV
Date: 05-2020
Publisher: American Society of Civil Engineers (ASCE)
Date: 06-2023
Publisher: Elsevier BV
Date: 12-2019
Publisher: Elsevier BV
Date: 04-2023
Publisher: Springer Nature Singapore
Date: 21-09-2022
Publisher: Thomas Telford Ltd.
Date: 10-2010
DOI: 10.1680/MACR.2010.62.10.741
Abstract: Significant research efforts have been devoted in recent years to the development of displacement-based seismic assessment and design methodology, recognising the shortcomings of traditional, code-specified force-based procedures. Recent advances in direct displacement-based seismic design of columns rely on the estimates of yield curvature for determining seismic design forces to satisfy the specified seismic performance levels. This paper presents simple expressions for estimating the effective yield curvature for normal- and high-strength circular reinforced concrete columns based on moment–curvature analyses of a large number of column sections. Such expressions can be programmed into spreadsheet format and can be used for the direct displacement-based design of circular reinforced concrete columns. Influences of different parameters on the effective yield curvature have been quantified. Effective yield curvature is presented in terms of the gross diameter of the section and the yield strain of longitudinal reinforcement together with three modification factors that take into account the effects of the strength of concrete, axial load ratio and the amount of longitudinal reinforcement. An ex le illustrating the preliminary design of bridge columns based on the developed expressions is presented.
Publisher: ISEC Press
Date: 05-2016
DOI: 10.14455/ISEC.RES.2016.56
Abstract: High strength concrete has higher strength but lower ductility. Inclusion of single type of fibers into concrete has been proven to improve the behavior of concrete to a limited extent. However, recently it was found that the behavior of concrete can be improved more with the addition of hybrid fiber i.e., a combination of different types of fiber. This paper presents the results of an experimental investigation on the behavior of Hybrid Steel Fibre Reinforced High Strength Concrete (HSFR-HSC). A total of eight cylinder specimens with 150 mm in diameter and 300 mm in height were cast and tested under uniaxial compression. Three different combinations of HSFR-HSC specimens and reference specimens without steel fibers were prepared. The first combination of HSFR-HSC included 1.5% Micro Steel (MS) fibers and 1% Deformed Steel (DS) fibers. The second combination included 1.5% MS fibers and 1.5% Hooked-end Steel (HS) fibers. The third combination included 1% DS fibers and 1.5% HS fibers. The experimental results showed that the addition of hybrid steel fibers improved the strength and ductility of high strength concrete compared to the reference specimens. The results also showed that the specimens reinforced with different hybrid steel fibers failed in a ductile manner, while the reference specimens failed in a brittle manner.
Publisher: Springer Science and Business Media LLC
Date: 10-07-2019
Publisher: American Concrete Institute
Date: 07-2022
DOI: 10.14359/51734659
Publisher: Elsevier BV
Date: 05-2018
Publisher: American Society of Civil Engineers (ASCE)
Date: 06-2022
Publisher: Elsevier BV
Date: 03-2012
Publisher: Elsevier BV
Date: 08-2021
Publisher: Elsevier BV
Date: 2023
Publisher: American Society of Civil Engineers (ASCE)
Date: 04-2022
Publisher: Elsevier BV
Date: 04-2015
Publisher: Elsevier BV
Date: 12-2021
Publisher: Informa UK Limited
Date: 07-08-2021
Publisher: Springer International Publishing
Date: 27-09-2022
Publisher: Springer Science and Business Media LLC
Date: 05-2019
Publisher: Thomas Telford Ltd.
Date: 05-2020
Abstract: Geopolymers are recognised for their environmental benefits and excellent chloride and sulfate resistance. However, information on the material characteristics and bond behaviour of geopolymers based on fly ash (FA) and slag is still relatively scarce. This paper presents a comprehensive study on the integration of two modern construction materials – geopolymer concrete (GPC) based on FA and ground granulated blast-furnace slag and glass-fibre-reinforced polymer (GFRP) bars. The aim of the study was to assist concrete structural design by identifying the key preparation parameters such as hardening and bond behaviour. It was found that the hardening of the GPC was much faster than that of ordinary Portland cement (OPC) concrete at an early age and the stress–strain curves, elastic moduli and splitting tensile strengths of the GPC were accurately predicted by existing models developed for OPC concrete. The GFRP bars in the GPC outperformed those in the OPC concrete in terms of normalised bond strength. The GPC reinforced with both GFRP and steel rebars exhibited similar bond–slip curves to the OPC concrete. Overall, the behaviour of the GFRP-reinforced GPC was found to be analogous to that of the OPC concrete while providing adequate compressive, tensile and bond strength for the construction of foundations of low-rise buildings.
Publisher: American Society of Civil Engineers (ASCE)
Date: 10-2017
Publisher: Elsevier BV
Date: 12-2021
Publisher: American Concrete Institute
Date: 2022
DOI: 10.14359/51732986
Publisher: Wiley
Date: 25-11-2022
Abstract: This paper presents the results of an experimental investigation on the behavior of glass fiber reinforced polymer (GFRP) bar‐reinforced hollow‐core (GFRP‐HC) circular concrete specimens under concentric, 25 mm and 50 mm eccentric axial loading and four‐point bending. The main parameters investigated include the type of reinforcing bars, pitch of the helices and loading conditions. The test matrix of this study consists of 12 specimens, among which nine specimens (850 mm high) were tested under concentric and eccentric axial loading and the remaining three specimens (1500 mm long) were tested under four‐point bending. The specimens were circular in cross‐section with an outer diameter of 214 mm and an inner circular hole diameter of 56 mm. The experimental results showed that, for the similar amount of reinforcement, steel bar‐reinforced hollow‐core (steel‐HC) specimens sustained higher loads than the GFRP‐HC specimens under different loading conditions. Also, the steel‐HC specimens achieved higher ductility than the GFRP‐HC specimens under 50 mm eccentric axial loading and four‐point bending. However, under concentric and 25 mm eccentric axial loading, the GFRP‐HC specimens achieved higher ductility than the steel‐HC specimens. The close pitch of the GFRP helices significantly enhanced the load carrying capacity and ductility of the GFRP‐HC specimens.
Publisher: American Society of Civil Engineers (ASCE)
Date: 12-2018
Publisher: Emerald
Date: 07-01-2019
Abstract: Many corporate scandals that occurred recently have indicated the importance of a whistle-blowing mechanism in preventing fraud and malpractices from damaging the organizations. By selecting one organization that has experienced a corporate scandal, this study aims to examine factors that influence employee’s intention to blow the whistle to prevent malpractices in the company. In addition, this study also examines the perceptions of employees regarding the business culture in their organization and how this culture impacts their intention to whistle-blow. This study engages in a mixed method of data collection, namely, survey questionnaire and interviews to gather the data. It is found that retaliation is the most important factor that influences the employee’s intention to whistle-blow, followed by the burden to prove the malpractices, cost implications as a result of the wrongdoing and the action taken by the authority as a result of the fraud reporting. In terms of business culture, a large number of employees are reluctant to become a whistle-blower, although a secured and safe whistle-blowing mechanism is in place, indicating that Asian customs of collectivism and assertiveness play a major part in shaping the whistle-blowing mechanism in Malaysian organizations. The results provide further confirmation of the determinants that influence employees to report wrongdoings in the organizations. This study however may subject to self-reported data biasness because of sensitivity of the research that related to fraud and immoral behaviours that occur in the company. Owing to this sensitivity, the study only focuses on employees’ internal whistle-blowing intentions rather than their actual intentions. This study helps the management to understand the working culture in the company so that they can identify the weak area of governance which needs improvement such as whistle-blower protection. This study is original, as it focuses on the employees in a big organization such as government link companies that have experienced corporate scandals albeit having whistle-blowing mechanism in place. In addition, the finding of this study contributes to the theory and body of the literature on the whistle-blowing determinants, currently scarce in the context of a developing country like Malaysia.
Publisher: American Concrete Institute
Date: 07-2017
DOI: 10.14359/51689781
Publisher: American Society of Civil Engineers (ASCE)
Date: 02-2021
Publisher: Elsevier BV
Date: 05-2018
Publisher: American Society of Civil Engineers (ASCE)
Date: 06-2017
Publisher: Wiley
Date: 07-2022
Abstract: Millions of tons of waste glass are produced globally. The use of waste glass in concrete is an environmentally friendly solution, contributing to sustainable construction practices. This study investigates the potential of using recycled waste glass powder ( RWGP ) in foamed concrete nonload bearing wall panels as acoustic barriers. This study investigates the axial and flexural behavior of wall panels constructed with foamed concrete incorporating RWGP . A total of ten 900 mm long and 700 mm wide wall panels of foamed concrete with RWGP reinforced with 7.6 mm diameter steel mesh were cast and tested. Five wall panels were 75 mm thick and reinforced with one layer of steel mesh and the other five wall panels were 120 mm thick and reinforced with two layers of steel mesh. The experimental results exhibited that 120 mm thick wall panels sustained significantly higher peak axial and flexural loads, bending moments, axial deformations at peak axial load and midspan deflections at peak flexural load than 75 mm thick wall panels. The available design codes of masonry structures underestimated the peak axial loads and the bending moments of wall panels by about 9% and 17%, respectively.
Publisher: Elsevier BV
Date: 2018
Publisher: IGI Global
Date: 2012
Abstract: This paper presents seismic site classification practices for urban centres in Australia, China, and India with special emphasis on their suitability for shallow soil sites. The geotechnical aspects of seismic site classifications play a critical role in the development of site response spectra, which is the basis for the seismic design of new structures and seismic assessment of existing structures. Seismic site classifications have used weighted average shear wave velocity of top 30 m soil layers, following the recommendations of National Earthquake Hazards Reduction Program (NEHRP) or International Building Code (IBC) site classification system. The site classification system is based on the studies carried out in the United States where soil layer may extend up to several hundred meters before reaching any distinct soil-bedrock interface. Most of the urban centers in Australia, China, and India are located on distinct bedrocks within few meter depth of soil deposits. For such shallow depth soil sites, NEHRP or IBC site classification system is not suitable. A new site classification based on average soil thickness, shear wave velocity up to engineering bedrock is proposed. The study shows that spectral value and lification ratio estimated from site response study considering top 30 m soil layers are different from those determined considering soil thickness up to engineering bedrock.
Publisher: ISEC Press
Date: 05-2016
DOI: 10.14455/ISEC.RES.2016.83
Abstract: The strength and ductility of high strength concrete columns improve with the addition of steel fiber. This paper reports the behavior of circular High Strength Concrete (HSC) columns reinforced with Hybrid Steel Fibers (HSF) under different loading conditions. In this study, HSF consisted of a combination of macro steel fibers and micro steel fibers. A total of eight circular specimens of 205 mm diameter and 800 mm height were cast and tested. All specimens were reinforced with same amount of steel reinforcements. The specimens were ided into two groups of four specimens. Group RC (reference group) contained no steel fibers. Group HSF (hybrid steel fibers) contained 2.5% by volume of HSF. From each group one specimen was tested under concentric loading, one under 25 mm eccentric loading, one under 50 mm eccentric loading, and one under four-point loading. The results showed that the specimens reinforced with HSF achieved higher strength and ductility compared to RC specimens under different loading conditions. It was also observed that the presence of HSF delayed the spalling of the concrete cover.
Publisher: Springer Science and Business Media LLC
Date: 03-11-2010
Publisher: Elsevier BV
Date: 03-2017
Publisher: Elsevier BV
Date: 09-2022
Publisher: Elsevier BV
Date: 04-2022
Publisher: Elsevier BV
Date: 08-2017
Publisher: Wiley
Date: 20-11-2022
Abstract: This study investigated the feasibility of using two types of waste glass sand as fine aggregate replacement in ambient cured alkali‐activated mortars (AAMs). Fly ash (FA) and ground granulated blast furnace slag were used as aluminosilicate source materials to produce the AAMs. The waste glass sand was used to replace 0%, 25%, 50%, 75%, and 100% fine aggregate (by mass) in AAMs. The influences of the use of waste glass sand, for the replacement of fine aggregate, on slump flow, setting time, compressive strength, and flexural strength of ambient cured AAMs were evaluated. It was found that the slump flow and setting time of ambient cured AAMs significantly increased as the percentage of replacement of fine aggregate by waste glass sand increased. However, the compressive and flexural strengths of ambient cured AAMs decreased when 50% and over fine aggregate were replaced by waste glass sand. The ambient cured AAMs with 25% replacement of fine aggregate with waste glass sand achieved the highest compressive and flexural strengths. Scanning electron microscope analysis indicated that the increase in the compressive strength and flexural strength of AAMs was due to the bridging‐like effect and filling effect provided by the waste glass sand. The use of waste glass sand as a partial replacement of fine aggregate in ambient cured AAMs was found to be feasible. In addition, 25% of the fine aggregate replaced by waste glass sand resulted in the best mechanical properties for ambient cured AAMs.
Publisher: Elsevier BV
Date: 2023
Publisher: American Concrete Institute
Date: 07-2020
DOI: 10.14359/51723509
Publisher: ASTM International
Date: 02-07-2019
DOI: 10.1520/JTE20180660
Publisher: Elsevier BV
Date: 2019
Publisher: American Concrete Institute
Date: 05-2019
DOI: 10.14359/51714473
Publisher: American Concrete Institute
Date: 09-2018
DOI: 10.14359/51702250
Publisher: Elsevier BV
Date: 08-2018
Publisher: Elsevier BV
Date: 08-2019
Publisher: American Concrete Institute
Date: 09-2018
DOI: 10.14359/51702375
Publisher: Thomas Telford Ltd.
Date: 08-2018
Abstract: This study explores the effect of length to diameter (L/D) ratio on the axial load capacity of small-diameter self-compacting concrete-filled steel tube (SCFT) specimens. The SCFT specimens with L/D ratio of 2 to 14 were tested. Two different cold-formed steel tubes with diameters of 26·9 and 33·7 mm were used in the construction of the SCFT specimens. The behaviour of the SCFT specimens was compared with the unfilled steel tube (UT) specimens. The axial load capacity of SCFT specimens was found to be higher than the axial load capacity of UT specimens. The compressive failure of SCFT and UT specimens with a ratio of 2 and 4 occurred due to local buckling, and with L/D ratio ≥ 6 failure occurred due to global buckling. However, the self-compacting concrete inside the steel tubes improved the ductility and the post-peak axial load–axial deformation response of SCFT specimens compared to the UT specimens.
Publisher: Wiley
Date: 21-09-2023
Publisher: Informa UK Limited
Date: 02-10-2017
Publisher: Elsevier BV
Date: 10-2021
Publisher: American Society of Civil Engineers (ASCE)
Date: 12-2021
Publisher: American Society of Civil Engineers (ASCE)
Date: 06-2017
Publisher: American Concrete Institute
Date: 07-2019
DOI: 10.14359/51715573
Publisher: Elsevier BV
Date: 10-2018
Publisher: Wiley
Date: 08-02-2023
Abstract: In this paper, low‐strength polyvinyl alcohol (L‐PVA) fibers, high‐strength polyvinyl alcohol (H‐PVA) fibers, and polyethylene (PE) fibers were used to prepare ambient cured fly ash‐slag‐based engineered geopolymer composites (EGC). The effects of fiber types and fiber volume fractions (1.5%, 1.75%, 2.0%, 2.25%, and 2.5%) on the compressive strength and tensile performance of EGC were evaluated. It was found that by increasing the fiber volume fraction from 1.5% to 2.5%, L‐PVA fibers had the lowest influence, whereas PE fibers had the highest influence on the compressive strength of EGC. The optimum fiber volume fractions of L‐PVA, H‐PVA, and PE fibers were 1.75%, 2.25%, and 1.5%, respectively, for EGC to achieve the best tensile performance. Scanning electron microscope (SEM) investigations showed that the bonding performance of PE fibers to the EGC matrix was higher than those of L‐PVA and H‐PVA fibers to the EGC matrix.
Publisher: Thomas Telford Ltd.
Date: 04-2019
Abstract: This study presents an experimental evaluation of three different methods for determining the tensile strength of steel fibre reinforced concrete (SFRC). The test methods include the splitting test (ST), double punch test (DPT) and direct tensile test (DTT). The compressive strength of the concrete used in this study ranged between 30 and 80 MPa with 0%, 1·5% and 3% steel fibre by volume of the concrete. In total, 81 concrete cylinders were cast and tested for 28-d compressive strength, splitting tensile strength and double punch tensile strength of the concrete. In addition, 27 concrete prism specimens were cast and tested to determine the direct tensile strength of the concrete. The test results show that, compared to the ST, the DPT is more effective in predicting the tensile strength of SFRC, as the tensile strengths obtained from the DPT and the direct tensile test are very close. The DPT is easier to perform and costs less than the ST and the DTT.
Publisher: Elsevier BV
Date: 09-2018
Publisher: Elsevier BV
Date: 2021
DOI: 10.2139/SSRN.3973730
Publisher: Elsevier BV
Date: 11-2021
Publisher: Wiley
Date: 27-11-2019
Publisher: American Concrete Institute
Date: 05-2017
DOI: 10.14359/51689439
Publisher: Elsevier BV
Date: 08-2002
Publisher: Wiley
Date: 2005
DOI: 10.1002/TAL.266
Publisher: American Society of Civil Engineers (ASCE)
Date: 06-2022
Publisher: ASTM International
Date: 03-2019
DOI: 10.1520/ACEM20190014
Publisher: Elsevier BV
Date: 10-2021
Publisher: ASTM International
Date: 25-04-2018
DOI: 10.1520/JTE20170067
Publisher: Elsevier BV
Date: 10-2015
Publisher: Elsevier BV
Date: 12-2022
Publisher: Elsevier BV
Date: 06-2016
Publisher: Elsevier BV
Date: 09-2021
Publisher: Elsevier BV
Date: 06-2016
Publisher: Informa UK Limited
Date: 29-08-2019
Publisher: Elsevier BV
Date: 11-2022
Publisher: Elsevier BV
Date: 10-2010
Publisher: American Concrete Institute
Date: 03-2022
DOI: 10.14359/51734342
Publisher: Elsevier BV
Date: 03-2021
Publisher: Elsevier BV
Date: 2023
Publisher: Canadian Science Publishing
Date: 08-2022
Abstract: Past studies suggested various methods to determine the onset of instability of soil under constant shear drained (CSD) stress path using triaxial equipment. These methods were based on the characteristic features observed on the CSD stress path, axial and volumetric strains. However, the characteristic features are not similar for every soil leading to inconsistencies in predicting the onset of instability under the CSD stress path. This paper presents a strain ratio (ε v /ε a ) – mean effective stress (p′) based method for determining the onset of instability of sand in the CSD stress path. The proposed method identifies the onset of instability at the drop of the ε v /ε a –p′ curve and features a distinctive value to mark the onset of instability. A series of CSD tests have been carried out on sand s les to verify the applicability of the proposed method. The proposed method captured the onset of instability similar to the other methods available in the literature.
Publisher: Informa UK Limited
Date: 07-06-2019
Publisher: American Concrete Institute
Date: 09-2019
DOI: 10.14359/51715658
Publisher: Elsevier BV
Date: 03-2019
Publisher: American Society of Civil Engineers (ASCE)
Date: 10-2016
Publisher: American Concrete Institute
Date: 2020
DOI: 10.14359/51720206
Publisher: Elsevier BV
Date: 2017
Publisher: American Society of Civil Engineers (ASCE)
Date: 10-2013
Publisher: Elsevier BV
Date: 08-2018
Publisher: Elsevier BV
Date: 12-2018
Publisher: Elsevier BV
Date: 09-2019
Publisher: American Society of Civil Engineers (ASCE)
Date: 02-2017
Publisher: Elsevier BV
Date: 09-2022
Publisher: SAGE Publications
Date: 04-12-2018
Abstract: Numerous research studies experimentally investigated the axial compressive behavior of fiber-reinforced polymer tube confined concrete cylinders in the past two decades. However, only a limited number of research studies developed stress–strain models to predict the strength and strain enhancement ratio of fiber-reinforced polymer tube confined concrete cylinders under axial compression. The available strength and strain enhancement ratio models of fiber-reinforced polymer tube confined concrete cylinders are a function of actual confinement ratio only. This study develops strength and strain enhancement ratio models for circular fiber-reinforced polymer tube confined concrete under axial compression based on artificial neural network analyses using Purelin and Tansig transfer functions. The developed strength and strain enhancement ratio models are functions of actual confinement ratio, orientation of fibers, height to diameter ratio, and axial strain in unconfined concrete at peak axial stress. The formulation and performance evaluation of the developed strength and strain enhancement ratio models are carried out using experimental investigation results of 238 circular fiber-reinforced polymer tube confined concrete under concentric axial compression compiled from a database of 599 fiber-reinforced polymer tube confined concrete specimens. The predictions of the developed strength and strain enhancement ratio models match well with the experimental investigation results of the compiled database. The developed strength and strain enhancement ratio models exhibit smaller statistical errors than the available models in the research studies for predicting the strength and strain enhancement ratios of circular fiber-reinforced polymer tube confined concrete under axial compression.
Publisher: Elsevier BV
Date: 09-2019
Publisher: Elsevier BV
Date: 02-2020
Publisher: Thomas Telford Ltd.
Date: 08-2022
Abstract: Cross-sectional analyses of circular and square reinforced concrete (RC) columns strengthened with reactive powder concrete jacketing and fibre-reinforced polymer (FRP) wrapping were undertaken. The stress block method was used to determine theoretical axial load–bending moment (AL–BM) interactions of the columns. These were then compared with experimental results and found to be in very good agreement. A parametric study was also undertaken to investigate the most important factors that influence the AL–BM capacity of circular and square strengthened columns. Finally, a group of theoretical AL–BM interactions for circular and square strengthened columns was produced. These can be used in a wide range of applications for strengthening RC columns with high-performance concrete jackets and FRP wraps.
Publisher: Wiley
Date: 02-01-2021
Abstract: In this study, the behavior of axially loaded plain and fiber‐reinforced geopolymer concrete columns reinforced with glass fiber‐reinforced polymer (GFRP) bars and helices was investigated. Ten ambient‐cured geopolymer concrete columns of 160 mm diameter and 640 mm height were cast and tested under concentric axial loads. The behavior of the columns was investigated under the effect of the type of reinforcement (steel vs. GFRP), pitch of the GFRP helices (40, 75, 100 mm), and addition of nonmetallic fibers, that is, glass fiber and polypropylene fiber. It was found that GFRP bar reinforced geopolymer concrete column achieved less axial load, confinement efficiency, and ductility compared to the geopolymer concrete column reinforced with the same amount of the steel reinforcement. Overall, the reduction in the pitch of the GFRP helices enhanced the confinement efficiency, post‐peak behavior, and ductility of the plain and fiber‐reinforced geopolymer concrete columns. Also, the addition of fibers significantly improved the ductility of the GFRP bar reinforced geopolymer concrete columns.
Publisher: Elsevier BV
Date: 08-2018
Publisher: Springer Science and Business Media LLC
Date: 28-02-2017
Publisher: Elsevier BV
Date: 09-2017
Publisher: Springer Science and Business Media LLC
Date: 27-11-2015
Publisher: Informa UK Limited
Date: 15-12-2022
Publisher: Elsevier BV
Date: 04-2018
Publisher: American Society of Civil Engineers (ASCE)
Date: 07-2018
Publisher: American Society of Civil Engineers (ASCE)
Date: 04-2023
Publisher: Elsevier BV
Date: 11-2020
Publisher: American Society of Civil Engineers (ASCE)
Date: 08-2017
Publisher: American Society of Civil Engineers (ASCE)
Date: 12-2020
Publisher: Elsevier BV
Date: 06-2020
Publisher: Informa UK Limited
Date: 28-03-2019
Publisher: Elsevier BV
Date: 07-2017
Publisher: Trans Tech Publications, Ltd.
Date: 07-2013
DOI: 10.4028/WWW.SCIENTIFIC.NET/KEM.569-570.1257
Abstract: The offshore hydrocarbon industry operates in more hostile environments as more of marginal fields become economically viable. This means that more floating production systems and economical mooring systems will be needed. With this increase in the use of marginal fields goes the need to re-use vessels and moorings. Floating production systems, such as FPSOs, need to survive extreme events and extreme damage conditions. When one mooring line is damaged, the remaining ones must be sufficient to avoid a complete failure and still protect critical components such as the riser. This paper looks into applying an evolutionary optimisation technique, namely multiple objective particle swarm optimisation, to the damaged mooring design and analysis. The evaluation of offshore objective functions is computationally expensive since it requires use of complex simulations. When the number of objective function evaluations is large, as is the case with evolutionary methods, even a fast computer takes undesirably long to complete the job. Hence, a robust optimisation algorithm with great efficiency is required to minimise the number of total runs.
Publisher: American Society of Civil Engineers (ASCE)
Date: 07-2018
Publisher: Springer International Publishing
Date: 27-09-2022
Publisher: Springer Singapore
Date: 04-09-2020
Publisher: Elsevier BV
Date: 03-2022
Publisher: Elsevier BV
Date: 09-2016
Publisher: Elsevier BV
Date: 06-2019
Publisher: Elsevier BV
Date: 04-2016
Publisher: Elsevier BV
Date: 02-2023
Publisher: American Society of Civil Engineers (ASCE)
Date: 10-2022
Publisher: Elsevier BV
Date: 10-2018
Publisher: Elsevier BV
Date: 12-2021
Publisher: American Society of Civil Engineers (ASCE)
Date: 08-2016
Publisher: American Concrete Institute
Date: 05-2020
DOI: 10.14359/51724591
No related organisations have been discovered for M. Neaz Sheikh.
Start Date: 12-2017
End Date: 12-2022
Amount: $3,937,625.00
Funder: Australian Research Council
View Funded ActivityStart Date: 12-2021
End Date: 12-2024
Amount: $325,000.00
Funder: Australian Research Council
View Funded Activity