Wan Hamidon Wan Badaruzzaman

Wan Hamidon Wan Badaruzzaman
Universiti Kebangsaan Malaysia | ukm · Department of Civil Engineering Universiti Kebangsaan Malaysia

PhD Structural Engineering

About

137
Publications
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Introduction
Wan Hamidon Wan Badaruzzaman currently works at the Smart and Sustainable Township Research Centre (SUTRA), Universiti Kebangsaan Malaysia. Wan Hamidon does research in Civil Engineering. Their current project is 'strengthening of CFST composite beam.'

Publications

Publications (137)
Article
Concrete-filled steel tubes (CFST) have been increasingly used in the construction industry due to their favourable structural performance. With the increase of accidental events in the past two decades, researchers paid more attention to the response of CFST members under impulsive (lateral impact/blast) loading. Research projects conducted aim to...
Article
Full-text available
Hybrid glass fibre reinforced polymer (GFRP) composites have been used for decades in various engineering applications. However, it has a drawback with its application in marine/flood environments due to a lack of water resistance and frail mechanical stability. Floods have been considered one of the most periodic hazards that could hit urban areas...
Article
This paper researches a lightweight composite structure referred to as the Profiled Steel Sheeting Dry Board (PSSDB). It is fundamentally produced by connecting a Profiled Steel Sheeting to Dry Board using mechanical screws. It is mainly employed as floor panels. However, almost all studies have focused on researching the one-way structural perform...
Article
This research investigates the performance of double C-purlin sections used in the concrete-filled steel tube (CFST) beams system. A recycled-lightweight concrete was used as infill material to reduce the newly suggested composite beam's self-weight and cost. Up to 70% of the raw coarse aggregate was replaced with the expanded polystyrene beads and...
Article
Full-text available
The flexural strength of Slender steel tube sections is known to achieve significant improvements upon being filled with concrete material; however, this section is more likely to fail due to buckling under compression stresses. This study investigates the flexural behavior of a Slender steel tube beam that was produced by connecting two pieces of...
Experiment Findings
Our Research focuses on fundamental studies and enhancement techniques (including Design, Experimental investigation Numerical Simulation) for Polymer-based composite materials for industralised building system in flooding situations. I conduct research and experiments to advance the Knowledge in my research field, particularly on the use of type p...
Conference Paper
Polymer-based composite materials resulted from a combination of a variety of raw materials to form a new composite material. The use of a type of polymer-based composite material, known as the Glass Fibre Reinforced Polymer (GFRP) has been on the increase today. GFRP Industrialised Building System (IBS) has been developed in the form of prefabrica...
Article
Steel plate reinforcements (SPR) embedded into the concrete core of a concrete filled steel tube (CFST) column is a promising strengthening scheme. However, further study is required to understand the influence SPR on the strength and behaviour of a CFST column. Numerical models of the CFST columns are developed using finite element analysis. The m...
Article
Full-text available
This research presents a numerical investigation on the behaviour of through rib stiffener steel beam connected to circular concrete-filled steel tube (CFT) column subjected to the cyclic loading. A nonlinear Finite Element (FE) model was established using ABAQUS/Standard program. The accuracy of the FE result was examined through comparing it with...
Chapter
Over the years, there are various reports that confirmed the importance of complex problem solving in the workplace. Complex problem solving is the top identified skill to thrive in the 4th Industrial Revolution and emphasised in the Washington Accord’s 12 Graduate Attributes. However, in most cases, engineering educators often fail to design compl...
Article
The outward steel tube buckling failure of concrete-filled steel tube (CFST) beams is still considered to be a serious concern due to the typical bending loads. This research conducts experimental and numerical investigations on the flexural performance of slender square steel tubes filled with normal concrete. A total of 6 cold-formed square CFST...
Article
The tube outward local buckling of Concrete-Filled Steel Tube (CFST) beam under high compression stress is still considered a critical problem, especially for steel tubes with a slender section compared to semi-compact and compact sections. In this study, the flexural performance of stiffened slender cold-formed square tube beams filled with normal...
Article
This paper presents new empirical methods to theoretically predict bending moment capacity (M u) and flexural stiffness values at the initial and serviceability levels (K i and K s) of concrete-filled steel tube (CFST) composite beams. A wide range of results for M u , K i , and K s covering various parameters of CFST beams are required to develop...
Conference Paper
Over the years, there are various reports that confirmed the importance of complex problem solving in the workplace. Complex problem solving is the top identified skill to thrive in the 4th Industrial Revolution and emphasised in the Washington Accord's 12 Graduate Attributes. However, in most cases, engineering educators often fail to design compl...
Article
Leadership styles are seen to play a big role in the development and enhancement of PALAPES of the National University of Malaysia in the field of Defense Field in Mempaga, Bentong Pahang. Effective leadership styles often contribute to a high level of stability and vice versa. This paper examined the relationship between leadership style and job s...
Article
The main purpose of this study is to review lecturers’ perceptions on the leadership style of chairwomen and also its relationship with the motivational level of the lecturers in the National University of Malaysia (UKM). This descriptive quantitative study was carried out using the Leader Behavior Description Questionnaire (LBDQ) and a Questionnai...
Article
This study aims to look at the lecturers’ perception of the dimension of the study centers chairperson's leadership style. Therefore, this study seeks to identify two dimensions of chairperson’s leadership style, namely task-oriented (leader focuses on the tasks) and relationship-oriented (leader focuses on human relations) leader which promote mot...
Article
The performance of simply supported concrete-filled steel tube (CFST) beams strengthened with unidirectional carbon fiber–reinforced polymer (CFRP) sheets was investigated. Twelve circular and rectangular beams were tested under flexure. Different CFRP strengthening configurations were investigated. In addition, a nonlinear finite-Element (FE) anal...
Conference Paper
Full-text available
Fibre reinforced plastic composites (FRPC) is a composite material made of a polymer matrix reinforced with fibres. FRPC are commonly used in many sectors such as construction, automotive, aerospace and industries. FRPC is being used widely due to their superior characteristics such as high strength, stiffness, fatigue resistance, durability and li...
Article
Full-text available
The performance of continuous composite deck slab (CCS) strengthenedwith unidirectional carbon fibre-reinforcedpolymer (CFRP) laminate in the hogging region was investigated in this study, where the CFRP worked asanexternal reinforcement in the concrete tension region. Four specimens of CCS that consisted of two equal spans were tested experimental...
Article
In slim-floor construction, the web opening of the steel beam is proposed as WO shear connectors of different shapes; square (WSO), rectangular (WRO) and circular (WCO) connectors were considered to evaluate the ultimate shear strength, failure mode and ductility performance. Six push-out tests were conducted under static loading. Finite Element (F...
Article
This study investigated the behaviour of the simply supported hollow steel tube (HST) beams, either concrete filled or unfilled when strengthened with carbon fibre reinforced polymer (CFRP) sheets. Eight specimens with varied tubes thickness (sections classification 1 and 3) were all tested experimentally under static flexural loading, four out of...
Article
In this paper, a hollow steel tube (HST) shear connector is proposed for use in a slim-floor system. The HST welded to a perforated steel beam web and embedded in concrete slab. A total of 10 push-out tests were conducted under static loading to investigate the mechanical behavior of the proposed HST connector. The variables were the shapes (circul...
Conference Paper
Full-text available
In this paper, performance of hollow steel tube (HST) shear connector and web opening (WO) shear connectors are compared for use in a slim-floor system. The HST which welded to a perforated steel beam and WO are embedded in concrete slab. The variables were the shapes (circular and square) of the shear connectors. A total of three push-out tests un...
Article
Full-text available
The paper presents Finite Element Analysis to determine the ultimate shear capacity of tapered composite plate girder. The effect of degree of taper on the ultimate shear capacity of tapered steel-concrete composite plate girder with a nonlinear varying web depth, effect of slenderness ratio on the ultimate shear capacity, and effect of flange stif...
Article
Full-text available
Three series of steel-plate single-strap joints bonded by Carbon-Fibre Reinforced Polymer (CFRP) sheets, which are used with an adhesive material, are investigated in this study. Experimental and finite element (FE) analyses using ABAQUS software are employed for this purpose. The main objective of this study is to provide further understanding of...
Article
This paper investigates the structural performance of the Profiled Steel Sheeting Dry Board (PSSDB) system; a lightweight composite structure which is made by binding a Profiled Steel Sheeting (PSS) to a Dry Board (DB) by mechanical screws. Many studies indicated that it can be used as flooring units. However, most of them focused on utilizing the...
Article
The behaviour of plate girders has been extensively studied during the past few decades. Extensive lab work, analytical methods, and numerical analyses, have been used in order to: understand the behaviour of plate girders, come out with new design methods for the primary design purpose, time consuming, and the economical purpose. This review paper...
Article
The profiled steel sheet dry board (PSSDB) system is a lightweight composite structure which consists of profiled steel sheeting connected to dry board by self- tapping and self-drilling screws. It can be used as flooring, walling and roofing panels. This paper presents the investigation of the two-way flexural behavior of the PSSDB floor system. T...
Article
Ultimate load behaviour of perforated steel plate girders with inclined stiffeners is presented in this paper. A series of experimental tests on ten simply supported girders were tested to failure under shear load applied at the centre of gravity of the section. Centrally located circular web openings of various diameters were introduced at the mid...
Article
Recently, concrete-filled steel tubular (CFST) members are becoming highly recommended by engineers for use in composite structures. Lately, carbon fiber-reinforced polymer (CFRP) composite materials have been used for strengthening steel and CFST flexural members. Both experimental and numerical studies are adopted in this research to further inve...
Article
Full-text available
The use of fiber reinforced polymer (FRP) for torsional strengthening of reinforced concrete (RC) single cell box beams has been analyzed considerably by researchers worldwide. However, little attention has been paid to torsional strengthening of multicell box girders in terms of both experimental and numerical research. This paper reports the expe...
Article
Full-text available
Nonlinear finite element (FE) models are prepared to investigate the behaviour of concrete-filled steel tube (CFST) beams strengthened by carbon fibre reinforced polymer (CFRP) sheets. The beams are strengthened from the bottom side only by varied sheet lengths (full and partial beam lengths) and then subjected to ultimate flexural loads. Three sur...
Article
Full-text available
This paper presents the ultimate load behaviour of perforated steel plate girders with inclined stiffeners. Ten simply supported plate girders were tested to failure subjected to a single concentrated load applied at the centre of the girder span. The circular shape of web openings of various diameters, viz., 100 mm, 150 mm, 200 mm and 250 mm were...
Article
Full-text available
The steel decking is usually supplied in two-span lengths and negative reinforcement is provided in the top of the slabs over the mid-support during construction. This makes the composite slab normally continuous.Nevertheless, it is often beneficial for practicing engineers to assume that the slab is simply-supported in ultimate limit states and us...
Conference Paper
Full-text available
In slim-floor system, the beam is partially or fully embedded in concrete slab where the shear transferring mechanism could be provided by the shear connectors. This paper presents the evaluation on the behavior of web openings as a shear connector in slim-floor system, experimentally and numerically. Two main parameters were investigated which wer...
Article
Concrete-filled steel tube (CFST) beam, like any conventional structural member, for several reasons need strengthening, such as by making upgrades to carry extra loads or to make repairs owing to degradation attributed to aging, fire, and fatigue. This study experimentally investigates the strengthening behaviour of the circular and rectangular si...
Article
Full-text available
A series of experimental tests on perforated steel plate girders with inclined stiffeners is presented herein. Ten simply supported girders of practical size were tested for failure under a single concentrated load applied at the center of gravity of the section. Circular web openings of various diameters were introduced at the middle panels of the...
Article
Full-text available
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
Full-text available
Profiled Steel Sheet Dry Board (PSSDB) system is a lightweight composite structure comprises Profiled Steel Sheeting and Dry Board connected by self-drilling and self-tapping screws. This study introduced geopolymer concrete, an eco-friendly material without cement content as an infill material in the PSSDB floor system to highlight its effect onto...
Article
This paper presents a finite element (FE) model, which is validated and developed to simulate the axial load behavior of an existing experimental composite wall consisting of double-skinned profiled steel sheet (PSS) in-filled with normal concrete. This type of wall is designed to resist the axial load in the composite structure buildings. The perf...
Article
Profiled steel sheeting dry board (PSSDB) system is made of profiled steel sheeting that is connected to the dry board using a self-drilling, self-tapping screw. This study aims to predicts the load-deflection behavior of PSSDB panel system under the influence of geopolymer concrete infill with finite element modeling. To achieve the target objecti...
Article
Full-text available
The behavior of double-skinned composite walls (DSCWs), with or without infill materials, has been extensively investigated during the past few decades through analytical, experimental, and numerical methods. These investigations have resulted in new design methods for primary design objectives as well as time saving and economical purposes. This p...
Article
Concrete-filled steel tubes (CFSTs) have become the most recommended composite structural members in many modern structures. These members may need upgrading or strengthening like any conventional structural members for many reasons. In this research, Finite element (FE) models are prepared to investigate the behavior of square CFST beams, partiall...
Research
Full-text available
The behaviour of Concrete-Filled Steel Tube (CFST) beam strengthened with Carbon Fibre Reinforced Polymer (CFRP) sheet was investigated numerically in this paper. Nonlinear analysis using ABAQUS Finite Element (FE) software to assess the behaviour of square and circular CFST beams wrapped from bottom side with U-shaped of CFRP sheet using different...
Article
This paper is concerned with the strength and behaviour of partially connected composite plate girders. Eight simply supported composite plate girders were tested to failure under a concentrated load applied at the mid-span. The main variables considered in this study are the longitudinal spacing of stud connector, diameter of stud shank, number of...
Article
Full-text available
Profiled steel sheeting dry board (PSSDB) consists of steel sheeting that are connected to a dry board using self-drilling and self-tapping screw to form a light composite structure. This study focuses on PSSDB that uses 12 M geopolymer concrete infill with half-sized dry-board infill (GPCHB). The detected weakness of the profiled steel sheeting on...
Article
Education is an important component that could influence and shape the practice and culture of caring for the environment. Based on educational needs with regard to environmental and sustainable development (ESD), particularly in the engineering field, efforts are being made to see the extent of the implementation of educational mission in accordan...
Article
This study investigates the axial load behavior of an existing composite wall consists of a double-skinned profiled steel sheet in-filled with normal concrete. Three different composite walls in three-dimensional finite element models were developed, i.e. profiled steel sheet (PSS), core concrete, and the full composite wall system. The models were...
Article
Full-text available
Profiled Steel sheeting Dry Board (PSSDB) system is a lightweight composite structural system consisting of profiled steel sheeting, mechanically connected to a dry board using self-drilling and self-tapping screw. The objective of this study is to investigate the effect of geopolymer concrete infill in PSSDB system with half board (PSSHDB), focus...
Article
Full-text available
This study investigates the behavior of in-filled materials of profiled steel sheeting dry board (PSSDB) floor system. Two tests were conducted, namely, push-out test to know the connection stiffness and bending test on the PSSDB panel under the influence of different in-filled materials. Result of the push-out test shows that the connection stiffn...
Article
This paper presents the performance of an emerging prefabricated composite system made from profiled steel sheeting and dry board. Six full-scale wall specimens were prepared and tested under axial load. The results of the experimental investigation showed that the performance of the composite walls is governed by the strength of profiled steel she...
Conference Paper
Full-text available
This paper presents the investigation of the flexural behaviour of a composite system called the profiled steel sheeting dry board (PSSDB) system. The system basically comprises of a dry board (DB) connected to a profiled steel sheeting (PSS) using self-tapping and self-drilling screws. Many Conducted researches has shown that the system can be use...
Conference Paper
Full-text available
Three important parameters of rectangular concrete-filled steel tube (CFST) beams, namely, weight, cost, and ultimate moment capacity, are investigated in this research to establish the validity of using this type of composite member in the modern construction projects. Finite element (FE) analysis with ABAQUS software was performed to implement th...
Article
Full-text available
Numerical study of concrete-filled steel composite (CFSC) stub columns with steel stiffeners is presented in this paper. The behaviour of the columns is examined by the use of the finite element software LUSAS. Results from nonlinear finite element analyses are compared with those from corresponding experimental tests which uncover the reasonable a...
Article
Full-text available
The development of an infrastructure requires a planned and effective construction management including the construction of the university. To obtain a good ranking, the universities should provide comprehensive physical facilities and infrastructure. This study is to investigate the construction process to know the causes behind the delay process...
Article
This study highlights the effect of membrane action in improving load carrying capacity of Profiled Steel Sheeting Dry Board (PSSDB) floor system. PSSDB system is a lightweight composite structural system composed of profiled steel sheeting and dry board, attached together by self-drilling and self-tapping screws. Many literatures have reported tha...
Conference Paper
Full-text available
Construction delay is a common problem in the construction industry all over the world. Many researchers seeking the causes of delay in order to reduce the probability of delay to occur. Most researcher identified causes of delay in construction to reduce the possibility of construction project to continued delay. This study is to obtain the holist...
Article
Full-text available
Finite element (FE) models are developed to investigate the axial load behavior of a composite wall that consists of a double-skinned profiled steel sheet (PSS) in-filled with normal concrete and strengthened with embedded rectangular cold-formed steel (CFS). In this study, axial load behavior is compared between the FE models and an existing exper...
Article
Full-text available
This research is a part of the development to employ a lightweight composite panel system known as profiled steel sheet medium density fiberboard (PSSMDFB), as an innovation for structural floor building. PSSMDF panel are formed from a combination of two main components, namely profiled steel sheet and medium density fiberboard attached by mechanic...
Article
This paper is concerned with the behaviour and strength of composite plate girders in which, the interaction between the steel plate girder and concrete slab is partial. Based on curvature compatibility principle, an approximate method is proposed from which, the shear capacity and deflection at any given load may be determined. The tension field a...