Siti Fatin Mohd Razali

Siti Fatin Mohd Razali
Universiti Kebangsaan Malaysia | ukm · Department of Civil Engineering

PhD in Civil Engineering

About

48
Publications
24,054
Reads
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493
Citations
Introduction
My current research interests are water resources and hydrology. I am working on low flow streamflow in the Malaysia region. The title of my research project is 'Derivation of low flow curves with drought severity index'.
Additional affiliations
June 2006 - February 2021
Universiti Kebangsaan Malaysia
Position
  • Professor (Associate)
Description
  • r. Dr. Siti Fatin Mohd Razali is an Associate Professor at the Department of Civil Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia. Currently, Siti Fatin is a professional engineer in the water resources engineering field, awarded by the Board of Engineers Malaysia (BEM) and Institute of Engineers Malaysia (IEM) in 2017. Her research and teaching are focused on hydraulic-hydrological modeling and water resources engineering.
Education
June 2007 - December 2010
University of Western Australia
Field of study
  • Civil Engineering
September 2002 - September 2006
Universiti Teknologi Malaysia
Field of study
  • Civil Engineering

Publications

Publications (48)
Article
Full-text available
This paper reviews current optimization technique developed to solve reservoir operation problems in water resources. The application of conventional, especially evolutionary computation, combination of simulation-optimization and multi objectives optimization in reservoir operation will be discussed and investigated. Furthermore, new optimization...
Article
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The frequency and severity of global drought-induced impacts have led to raising awareness of the need for improved river management. Although academic publications on drought have proliferated, a systematic review of literature has not yet been conducted to identify trends, themes, key topics, and authorships. This study aims to evaluate the scien...
Article
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In recent decades, Malaysia has become one of the world's most urbanized nations, causing severe flash flooding. Urbanization should meet the population's needs by increasing the development of paved areas, which has significantly changed the catchment's hydrological and hydraulic characteristics. Therefore, the frequency of flash flooding in Malay...
Preprint
Full-text available
Abstract. Streamflow information is critical to the management and development of water resources strategies. The reliability of water supply from rivers depends on their low flow characteristics. Low flow frequency analysis was derived using the Weibull plotting position and four specific distributions. Maximum likelihood was used to parameterise,...
Article
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Management of water supply in urban areas is a challenge that must be faced by water supply companies to ensure the continuity of domestic water supply to the residents in the area. Hence, this study aims to identify local people’s behavior and daily activities that led to domestic water wastage. Furthermore, the relationship between the demographi...
Article
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The deep beam in load transfer is very important as well as difficult to design due to its shear stress problems. Accurate estimation of shear stress would help engineers to get a safer design. One of the major obstacles in building an accurate prediction model is optimising the input variables. Therefore, developing an efficient algorithm to selec...
Article
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This study was conducted using a modified drought risk assessment in which hydrological data were processed to assess the hazards and risk of hydrological drought in Peninsular Malaysia. Although drought vulnerability and risk assessment are critical components of the drought phenomenon, the lack of a comprehensive integrated drought risk assessmen...
Article
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Water is essential to support daily life, ecosystem, environment, and development. Due to rapid industrialisation, population growth, and economic development, the water demand increases worldwide. For this reason, research is being conducted to find alternative sources of water for non-potable purposes. Domestic greywater is receiving much attenti...
Article
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The prediction of slope stability was performed using artificial neural networks (ANNs) in this work. The factor of safety determined by numerical analysis was used to develop ANN's data sets. The inputs to the network are slope height, applied surcharge and slope angle. Correlation coefficients between numerical data and ANNs outputs showed the fe...
Article
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This study is aimed at investigating the association between child-pedestrian severity levels of collisions and physical environmental variables. The outcome of this study could be applied to road safety intervention for improving engineering modifications related to children pedestrians. The retrospective analysis was carried out using 6-year data...
Article
Missing value in hydrological studies is a common issue for hydrologists especially for statistical analysis as a complete dataset is required. This work evaluates the performance of multiple imputations by chained equations (MICE) approach to predicting recurrence in streamflow datasets. To evaluate and verify the effectiveness of the MICE approac...
Article
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Missing data is a common problem in hydrological studies; therefore, data reconstruction is critical, especially when it is crucial to employ all available resources, even incomplete records. Furthermore, missing data could have an impact on statistical analysis results, and the amount of variability in the data would not be fittingly anticipated....
Preprint
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Drought is considered a damaging natural disaster causing significant economic, social, and environmental impacts. The challenge of drought is to determine the characteristics of drought, its frequency, duration, and severity, which are critical for controlling the effects of drought and mitigation strategies. The objective of this study is to iden...
Article
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Reference evapotranspiration ETo is one of the most significant factors in the hydrological cycle since it has a great influence on water resource planning and management, agriculture and irrigation management, and other processes in the hydrological sector. In this study, an efficient and local predictive model was established to forecast the mont...
Article
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Missing value in hydrological research is common, and there is a growing interest to recover missing streamflow data as accurate information is required for various purposes. Due to missing data limitations, this study aims to evaluate the performance of the RNN-based method compared to the non-RNN based imputation methods to predict recurrence in...
Preprint
Full-text available
Drought is considered a damaging natural disaster for economic, societal, and ecological impacts. The challenge of drought is to determine the drought characteristics, frequency, duration and severity, vital for drought's impact control and mitigation strategies. This paper adopts the spatial pattern of Streamflow Drought Index (SDI) for three, six...
Article
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The artificial or neural network is one of the branches of the artificial intelligence method. Over the last few decades, artificial neural networks (ANNs) have been widely used to predict embankment stability. This paper will provide a detailed review of the ANN application, which is multilayer feedforward neural networks (MLFNN) in road embankmen...
Article
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Rapid urbanization in the state of Selangor, Malaysia, has led to a change in the land use, physical properties of basins, vegetation cover and impermeable surface water. These changes have affected the pattern and processes of the hydrological cycle, resulting in the ability of the basin region to store water supply to decline. Reliability on wate...
Chapter
Green roofs are known as an effective and sustainable design tool to mitigate urban heat island (UHI) effects. Generally, green roofs can be categorized as intensive and extensive roofs based on their purpose, design and characteristics. Green roofs built with several different layers and thicknesses depending on the roof type, the aim of the desig...
Chapter
Green roof application provided sustainable actions to mitigate the impact of urbanization and climate changes. Conventional and green roof simulations were conducted by EPA SWMM software to obtain the rainfall infiltration and flow rates. The study also looks into the effect of roof gradient on the rainfall-runoff. The results show that the runoff...
Article
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This paper presents the prediction of slope stability for road embankment constructed on the soft ground treated with prefabricated vertical drains (PVDs). The slope stability was evaluated based on the factor of safety (FOS) through numerical analysis and modeled with an artificial neural network (ANN). The permeability ratio of the smear effect w...
Article
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This study investigates the capacities of chute spillway and stilling basin under multiple flow discharge scenarios. Thirteen cases, categorised as low, medium, and high flow discharges were experimentally conducted, with a 100% increase of Probable Maximum Flood (PMF) as the modified maximum flow. An analysis is extended to flood and scour potenti...
Article
This paper presents the performance of road embankment slope stability on the soft ground treated with prefabricated vertical drains (PVDs) using numerical methods. A comparative analysis between the prediction through the finite element method (FEM) and measured was performed to verify the permeability ratio of smear effect. The influence of mesh...
Article
Full-text available
Missing value in hydrological studies is an unexceptional riddle that has long been discussed by researchers. There are various patterns and mechanisms of “missingness” that can occur and this may have an impact on how the researcher should treat the missingness before analyzing the data. Supposing the consequence of missing value is disregarded, t...
Article
This article provides an assessment study of the embankment stability on soft soil improved with prefabricated vertical drains (PVDs). An empirical approach based on Barron theory is used to predict settlement grounds with PVDs and compared to measured. This comparative study is essential to validate the soil parameters in analyzing the stability o...
Article
The geotechnical characteristics of soil exhibit uncertain and diverse behavior resulting from complicated and imprecise physical procedures associated with the formation of these materials. Unpredictability modelling of soil behaviour is one of the fundamental difficulties faced by engineers in the design of road embankment stability. Artificial I...
Article
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This paper presents an exhaustive review of the challenges faced in the construction of road embankments on soft ground and proposes a direction for future development. Frequently used techniques for soft ground improvement are discussed. The factors that contribute to the stability of the road embankment are reviewed by approach, results of past s...
Article
The stability of road embankment is influenced by two main factors, namely slope stability and settlement. The use of an adaptive neuro-fuzzy inference system (ANFIS) has received encouraging responses over the last decade in various research areas. This paper aims to elaborate on the previous study on the application of ANFIS to predict factors th...
Article
Full-text available
The case history of a road embankment constructed over soft soil stabilized with prefabricated vertical drains (PVDs) is presented. Modelling very complicated subsoil and structural elements could be assisted by numerical methods. Finite element analysis (FEA) was conducted in this study to verify the effectiveness of PVD modelling in the subsoil u...
Conference Paper
Ground settlement is the main factor in slope stability. This paper reviews the application of artificial intelligence (AI) in predicting the slope ground settlement. The objective of this paper is to discuss the application of AI in three categories i.e. i) ANN, ii) ANFIS and iii) hybrid model which includes research reports over the last ten year...
Article
Full-text available
The application of prefabricated vertical drains (PVDs) in the road embankment construction has been successfully performed in many projects throughout the country. The simulation of finite element method (FEM) can assist engineers in modelling very complex structures and foundations. This paper presents a plane–strain numerical analysis that was p...
Article
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The performance of the bio-inspired adaptive neuro-fuzzy inference system (ANFIS) models are proposed for forecasting highly non-linear streamflow of Pahang River, located in a tropical climatic region of Peninsular Malaysia. Three different bio-inspired optimization algorithms namely particle swarm optimization (PSO), genetic algorithm (GA), and d...
Article
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Child pedestrians are the most vulnerable road users. They are at high risk involving in road traffic collision. This present study is to highlights the magnitude of road safety problem amongst child pedestrians in Malaysia. In addition, the objective of this study is to determine the pattern of child pedestrian collisions and injuries during the p...
Article
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This paper looks into the flow profiles in terms of longitudinal and transverse velocities, turbulence intensity and turbulent kinetic energy in relation to the vegetation density, flow depth and stem Reynolds number. An experimental study was conducted in a fully vegetated flume, whereby a control volume was selected for detailed velocity measurem...
Article
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This paper presented the application of Artificial Bee Colony (ABC) and Gravitational Search Algorithm (GSA) in reservoir optimization. ABC is an algorithm based on the foraging behaviour of bee while GSA imitates the gravitational processes. These algorithms were used to minimize the irrigation release deficit for Timah Tasoh Dam located at the No...
Article
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The two most destructive natural disasters in Malaysia are monsoonal and flash floods. Malaysia is located in the tropical area and received on average, around 2800 mm of rainfall every year. Due to this high amount, a reliable and timely flood forecasting system is necessary to provide early warning to minimize the destruction caused by flash floo...
Article
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Student honesty when completing assignments is a major indication to lecturers that students have acquired and know how to apply knowledge shared in the lecture hall. However, the problem of plagiarism among students in writing assignments has become a major problem in education. Plagiarism works as an indicator that students do not practise or app...
Article
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Students' understanding of foundational concepts in fundamental courses is important as it is a pre-requirement for proceeding to any advanced and specific courses in any degree programme. Despite high passing rates in most universities, students actually do not really have a good understanding of the course content, especially in fundamental cours...
Article
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This study uses descriptive data to assess students' perceptions about the differences between the two programmes offered by the Department of Civil and Structural Engineering (JKAS). The programmes offered are Civil and Structural Engineering (CSE) and Civil and Environmental Engineering (CEE). Confusion about the name may be the key issue affecti...
Article
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The construction of a dam or a reservoir can have a serious impact the environment. When dealing with the increasing water demand from irrigation and water supply, alternative solution has to be sought way rather than building a new dam. Therefore, reservoir optimization can be employed as a new approach in sustainable engineering to solve this kin...
Article
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The demand to suppress vortex-induced vibration (VIV) in the offshore industry is increasing nowadays. VIV is one of the biggest impacts that caused fatigue damage to the marine risers and pipelines. In exploring the mechanisms of VIV reduction by vortex generators (VGs), the experimental measurements in a water flume were performed. The experiment...
Article
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Many researchers, in the recent years have developed various techniques for determining water content of the soils. Electrical Capacitance Volume Tomography (ECVT) is one of the techniques developed by using various types of sensors to improve the quality and effectiveness in the determination of water content in the soil. The technology is based o...
Article
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The engineering education today has been shift towards to prepare the engineers in meeting the needs of both public sector and private industry. They want the engineers to be technically skilful and also to be competent in a variety of professional practices that includes a variety of skills and outcomes i.e. communication, ethics, leadership, econ...
Article
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Programme Outcomes (PO) is the expected achievement of the level of knowledge, skills and abilities essential to each student after their graduation. The Department of Civil & Structural Engineering, Faculty of Engineering and Built Environment, UKM has established 10 POs, PO1 to PO10 for all undergraduate courses from Year 1 to Year 4. Measurement...
Article
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Providing controlling system to drain effluent from the construction site is crucial and should be implemented to any construction project. The system should be tested in order to certify its effectiveness. Failure or inefficient system will affect the water quality at the catchment area, which then will convey to the source point such as lake and...
Article
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In this study, the mechanism of vortex-induced vibration (VIV) mitigation using helical strakes is further investigated complying with the recent literatures. A rigid circular cylinder of diameter d = 80 mm attached with three-strand helical strakes of a dimension of 10d in pitch and 0.12d in height was tested in a wind tunnel. A bare cylinder was...
Article
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Three-dimensional velocity in the wake of an inclined stationary circular cylinder was measured simultaneously using a multi-hot wire vorticity probe at x/d = 10, 20 and 40. The study aimed to examine the dependence of the wake characteristics on cylinder inclination angle α (= 0°∼45°). The validity of the independence principle (IP) for vortex she...
Article
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Three-dimensional velocity in the wake of a stationary circular cylinder inclined at an angle α in the rauge of 0°-45° are analysed using the wavelet multiresolution technique. This study aims to examine the dependence of the velocity at different wavelet levels on α. The validity of the Independence Principle (IP) for vortex shedding was also exam...

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