Displaying publications 1 - 20 of 82 in total

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  1. Win KN, Trivedi A, Lai AS
    Ind Health, 2018 Nov 21;56(6):566-571.
    PMID: 29973468 DOI: 10.2486/indhealth.2018-0053
    In 2012, there were about 2.3 million deaths worldwide attributed to work. The highest workplace fatality rate (WFR) was reported on construction sites due to high risk activities. Globally, fall from height is the leading cause of fatal injuries for construction workers. The objectives are to determine Brunei Darussalam's demographic distribution of occupational fatality; identify causal agents and industry where occupational fatalities commonly occur; and determine WFR by year. This cross-sectional study retrospectively reviewed records of occupational fatality which were notified to the Occupational Health Division, Ministry of Health, from January 2012 until December 2016. Notified occupational fatalities in Brunei over a five-year period was 50. Most of the cases were in 31-40 age group. 38% of fatality cases occurred in Indonesian workers. 60% were from the Construction industry. 38% were due to fall from height. WFR averaged 5.28 and the highest industry-specific fatality rate was seen in the Construction industry, ranging from 27.94 to 56.45 per 100,000 workers. WFR for Brunei Darussalam from 2012 to 2016 was similar to that of Malaysia, but higher than Singapore and the UK. Industry-specific fatality rate for the Construction and Manufacturing industries were higher than those of Singapore and the UK.
    Matched MeSH terms: Construction Industry/statistics & numerical data
  2. Abd Rahman MN, Abdul Rani MR, Rohani JM
    J Hum Ergol (Tokyo), 2011 Dec;40(1-2):19-36.
    PMID: 25665205 DOI: 10.11183/jhe.40.19
    This paper describes the development of the Workplace Ergonomic Risk Assessment (WERA) for investigating the physical risk factor associated with work-related musculoskeletal disorders (WMSDs). The initial development of WERA tool involved the following procedures: (1) first stage, development of WERA prototype from literature review, (2) second stage, evaluation of the psychometric properties including (a) validity trials and (b) reliability and usability trials. In the validity trials, the relationship of the individual WERA body part scores to the development of pain or discomfort is statistically significant for the wrist, shoulder and back regions. It shows that the WERA assessment provided a good indication of work-related musculoskeletal disorders which might be reported as pain, ache or discomfort in the relevant body regions. In the reliability trials, the results of inter-observer reliability shows that moderate agreement among the observers while from the feedback questionnaire survey about the usability of WERA tool, all participants including expert and management teams agreed that the prototype of WERA tool was easy and quick to use, applicable to workplace assessment for the wide range of job/task and valuable at work. It was confirmed that there was no need of training required to do WERA assessment. Therefore, the WERA assessment has been designed for easy and quick use, and for those who are trained to use it do not need previous skills in observation techniques although this would be an advantage. As WERA is a pen and paper technique that can be used without any special equipment, WERA assessment can be done in any space of workplaces without disruption to the task that have been observed.
    Matched MeSH terms: Construction Industry
  3. Kanadasan J, Abdul Razak H
    Materials (Basel), 2015 Dec 16;8(12):8817-8838.
    PMID: 28793748 DOI: 10.3390/ma8125494
    The utilization of waste materials from the palm oil industry provides immense benefit to various sectors of the construction industry. Palm oil clinker is a by-product from the processing stages of palm oil goods. Channelling this waste material into the building industry helps to promote sustainability besides overcoming waste disposal problems. Environmental pollution due to inappropriate waste management system can also be drastically reduced. In this study, cement was substituted with palm oil clinker powder as a binder material in self-compacting mortar. The fresh, hardened and microstructure properties were evaluated throughout this study. In addition, sustainability component analysis was also carried out to assess the environmental impact of introducing palm oil clinker powder as a replacement material for cement. It can be inferred that approximately 3.3% of cement production can be saved by substituting palm oil clinker powder with cement. Reducing the utilization of cement through a high substitution level of this waste material will also help to reduce carbon emissions by 52%. A cleaner environment free from pollutants can be created to ensure healthier living. Certain industries may benefit through the inclusion of this waste material as the cost and energy consumption of the product can be minimized.
    Matched MeSH terms: Construction Industry
  4. Leong TK, Zakuan N, Mat Saman MZ, Ariff MS, Tan CS
    ScientificWorldJournal, 2014;2014:591361.
    PMID: 24701182 DOI: 10.1155/2014/591361
    This paper proposed seven existing and new performance indicators to measure the effectiveness of quality management system (QMS) maintenance and practices in construction industry. This research is carried out with a questionnaire based on QMS variables which are extracted from literature review and project performance indicators which are established from project management's theory. Data collected was analyzed using correlation and regression analysis. The findings indicate that client satisfaction and time variance have positive and significant relationship with QMS while other project performance indicators do not show significant results. Further studies can use the same project performance indicators to study the effectiveness of QMS in different sampling area to improve the generalizability of the findings.
    Matched MeSH terms: Construction Industry*
  5. M.N.N. Husna, R.M.R. Ahmad, R.E. Intan, C.H. Asmawati
    ASM Science Journal, 2013;7(1):59-66.
    MyJurnal
    Throughout the years, the construction industry has made an important contribution to the Malaysian economy. Moreover, the Ninth Malaysia Plan (2006–2010) has also played a significant role in the demands of executing major residential housing project developments where it has been observed that construction waste was one of the priority waste streams. Due to the increasing number in the population that is actively involved in economic activities, and the modernization of the country, the types of construction waste that are being produced, and identifying the source such as waste are becoming more complex. Therefore, appropriate actions and approaches are needed to be taken with respect to its effective management in handling the solid waste from construction sites. This paper is intended to review the issues and the challenges enclosed within the supply chain management mechanisms in order for improving construction waste management. Throughout this review, useful information and better understanding concerning the current issues, challenges and the supply chain management mechanisms would be made inclusive in the field to be explored. The findings would also assist in improving the quality and awareness on the construction waste management that is being practiced.
    Matched MeSH terms: Construction Industry
  6. Nur Dini Jamil, Adekunle Qudus Adeleke
    MyJurnal
    This paper assessed the relationship between team competency and design risk
    management among Kuantan construction industries. Similarly, a survey was
    conducted among 10 local and national construction industries in Kuantan with a
    stratified random sampling. The returned questionnaires yielded 10 responses which
    was used for data analysis. Five point Likert scale categories of risk management from
    the previous studies was used and statistical analysis affirmed that there is positive
    relationship between team competency and design risk management among Kuantan
    construction industries.
    Matched MeSH terms: Construction Industry
  7. Nur Fazlina Abdul Rahman, Adekunle Qudus Adeleke
    MyJurnal
    In this paper, the influence of effective communication in construction risk
    management among Kuantan Malaysian construction industries was assessed. Then a
    survey was conducted on pilot test among 10 local construction industries in Kuantan
    Malaysian, using stratified random sampling, out of which 10 questionnaires were
    collected for data analysis. Methodologically, this research is perhaps the first to
    study the influence of effective communication on construction risk management
    among Kuantan Malaysian construction industries. Using the five point Likert scale
    categories of risk management from previous studies. Pearson Correlation anaylysis
    output results affirmed that there is a strong positive relationship between effective
    communication and construction risk management among Kuantan construction
    industries.
    Matched MeSH terms: Construction Industry
  8. Nurushshahirah Sabodin, Adekunle Qudus Adeleke
    MyJurnal
    This paper examined the significant relationship between government regulation and
    construction waste management among Malaysian construction industries. Survey
    was conducted among 10 contractors registered G7, using proportionate stratified
    random sampling, out of which 10 questionnaire were collected for data analysis with
    five point Likert scale categories of waste management from previous studies,
    statistical analysis affirmed a significant positive relationship between government
    regulation and construction waste management in Malaysian construction industries
    through Statistical Package for the Social Sciences.
    Matched MeSH terms: Construction Industry
  9. Nor Umairah Abd Rahim, Mohd Fadzil bin Arshad
    MyJurnal
    Ordinary Portland Cement (OPC) is widely used by the construction industry. Research to find the precise proportion of cement replacement material which can be used to produce a product called Ternary Blended Cement (TBC) is not new. The objective of this study is to determine the effect of POFA and SF as TBC on the heat of hydration and compressive strength of mortar. Before producing TBC, specimens using BBC is required. Mix design proportion for POFA and SF are 5%, 10%, 15%, and 20%. Mix design proportion TBC are chose from the highest compressive strength value achieved at 7 days of curing. This research found the heat of hydration of TBC containing 20% POFA and 5% SF is high in the beginning to drop at the end of hydration process in addition to producing lower compressive strength.
    Matched MeSH terms: Construction Industry
  10. Nur Syafiqah Abdul Malik, Adekunle Qudus Adeleke
    MyJurnal
    This paper assessed the significant relationship between organizational culture and
    material risk among Kuantan Malaysian construction industries. Survey was
    conducted among 10 registered G7 contractors operating in Kuantan construction
    industry. Proportionate stratified random sampling was used out of which 10
    questionnaires were distributed for pilot study. Methodologically, this research is
    perhaps the first to assess the relationship between organizational culture and
    material risk among Malaysian construction industries with five point Likert scale
    categories of material risk from previous studies. Statistical analysis affirmed a
    significant positive relationship between organizational culture and material risk
    among Malaysian construction industries through Statistical Package for Social
    Sciences (SPSS).
    Matched MeSH terms: Construction Industry
  11. Ibrahim MR, Katman HY, Karim MR, Koting S, Mashaan NS
    ScientificWorldJournal, 2014;2014:240786.
    PMID: 24574875 DOI: 10.1155/2014/240786
    The main objective of this paper is to investigate the relations of rubber size, rubber content, and binder content in determination of optimum binder content for open graded friction course (OGFC). Mix gradation type B as specified in Specification for Porous Asphalt produced by the Road Engineering Association of Malaysia (REAM) was used in this study. Marshall specimens were prepared with four different sizes of rubber, namely, 20 mesh size [0.841 mm], 40 mesh [0.42 mm], 80 mesh [0.177 mm], and 100 mesh [0.149 mm] with different concentrations of rubberised bitumen (4%, 8%, and 12%) and different percentages of binder content (4%-7%). The appropriate optimum binder content is then selected according to the results of the air voids, binder draindown, and abrasion loss test. Test results found that crumb rubber particle size can affect the optimum binder content for OGFC.
    Matched MeSH terms: Construction Industry/methods*
  12. Chang, Kok Yung, Kwan, Wai Hoe, Kua, Hui Bun
    Scientific Research Journal, 2018;15(1):75-83.
    MyJurnal
    The massive growth of construction industry especially in the developing countries results in extensive quarrying activities which ultimately would lead to the depletion of natural resources. Apart from extensive extraction of the natural granite from the earth for concrete production, marble production industry is also majorly contributing to the quarrying activities. In addition, high volume of waste is generated by the marble production industry as 70% of marble is wasted during the production such as quarrying, cutting, processing and others which is environmental unfriendly. In a way to achieve sustainable construction, the present study is to utilise the waste marble in replacing the coarse aggregate in concrete production. The engineering performance including workability, compressive strength, ultrasonic pulse velocity (UPV) and chloride penetration were analysed. The raw waste marble obtained from the industry were crushed and sieved into maximum size 20 mm and used to replace the coarse aggregate at the level of 20%, 40%, 60%, 80% and 100% respectively. Results show that 60% of the replacement level has yield to optimum result by achieving the highest compressive strength and UPV at approximate 5% higher than the control. Meanwhile, the effect on chloride penetration resistance is more significant, i.e. approximate 19% better than the control. However, increasing the replacement level of waste marble has no significant effect on workability, although an increasing trend was observed.
    Matched MeSH terms: Construction Industry
  13. Yahaghi J, Sorooshian S
    Sci Eng Ethics, 2018 04;24(2):819-820.
    PMID: 28281150 DOI: 10.1007/s11948-017-9892-4
    Matched MeSH terms: Construction Industry
  14. Adeleke AQ, Bahaudin AY, Kamaruddeen AM, Bamgbade JA, Salimon MG, Khan MWA, et al.
    Saf Health Work, 2018 Mar;9(1):115-124.
    PMID: 30363069 DOI: 10.1016/j.shaw.2017.05.004
    Background: Substantial empirical research has shown conflicting results regarding the influence of organizational external factors on construction risk management, suggesting the necessity to introduce a moderator into the study. The present research confirmed whether rules and regulations matter on the relationships between organizational external factors and construction risk management.

    Methods: Based on discouragement and organizational control theory, this research examined the effects of organizational external factors and rules and regulations on construction risk management among 238 employees operating in construction companies in Abuja and Lagos, Nigeria. A personally administered questionnaire was used to acquire the data. The data were analyzed using partial least squares structural equation modeling.

    Results: A significant positive relationship between organizational external factors and construction risk management was asserted. This study also found a significant positive relationship between rules and regulations and construction risk management. As anticipated, rules and regulations were found to moderate the relationship between organizational external factors and construction risk management, with a significant positive result. Similarly, a significant interaction effect was also found between rules and regulations and organizational external factors. Implications of the research from a Nigerian point of view have also been discussed.

    Conclusion: Political, economy, and technology factors helped the construction companies to reduce the chance of risk occurrence during the construction activities. Rules and regulations also helped to lessen the rate of accidents involving construction workers as well as the duration of the projects. Similarly, the influence of the organizational external factors with rules and regulations on construction risk management has proven that most of the construction companies that implement the aforementioned factors have the chance to deliver their projects within the stipulated time, cost, and qualities, which can be used as a yardstick to measure a good project.

    Matched MeSH terms: Construction Industry
  15. Balakrishnan K, Olutoye MA, Hameed BH
    Bioresour Technol, 2013 Jan;128:788-91.
    PMID: 23186664 DOI: 10.1016/j.biortech.2012.10.023
    The current research investigates synthesis of methyl esters by transesterification of waste cooking oil in a heterogeneous system, using barium meliorated construction site waste marble as solid base catalyst. The pretreated catalyst was calcined at 830 °C for 4h prior to its activity test to obtained solid oxide characterized by scanning electron microscopy/energy dispersive spectroscopy, BET surface area and pore size measurement. It was found that the as prepared catalyst has large pores which contributed to its high activity in transesterification reaction. The methyl ester yield of 88% was obtained when the methanol/oil molar ratio was 9:1, reaction temperature at 65 °C, reaction time 3h and catalyst/oil mass ratio of 3.0 wt.%. The catalyst can be reused over three cycles, offer low operating conditions, reduce energy consumption and waste generation in the production of biodiesel.
    Matched MeSH terms: Construction Industry
  16. Shaharin Hamid, Che Maznah Mat Isa, Shamer N. Felix, Nur Kamaliah Mustaffa
    ESTEEM Academic Journal, 2020;16(1):47-58.
    MyJurnal
    Ineffective construction waste management has become a serious problem that impacted significantly to environmental pollutions especially in a developing country like Malaysia. Despite the enactment of law by the government, Malaysia is still far behind as compared to other countries like Denmark and Hong Kong in terms of implementation of recycling and reuse of construction waste. Recycling and reuse of waste materials seems to be a profitable method that will boost the
    lifetime of landfills and cut down the usage of virgin natural resources. This paper discusses the practices of recycling and reuse of construction waste materials in the Klang Valley. A questionnaire survey was administered to 117 respondents from construction companies. The most common types of construction waste materials that can be recycled and reused are concrete, metal, asphalt, brick, plastic, cardboard, timber and glass. A descriptive analysis using Relative Important Index (RII) was used to rank the items asked in the survey. It was found that the most frequent types of recycling and reuse of construction waste materials based on ranking is timber,
    while the key benefit of recycle and reuse of construction waste is reduction of landfill space. On the other hand, the key challenge that affects recycling and reuse of construction waste is the risk of contamination. This study is beneficial for all parties involved in construction activities to achieve a more sustainable construction in Malaysia and throughout the world.
    Matched MeSH terms: Construction Industry
  17. Noorzaei, J., Wong, J.N., Thanoon, W.A., Jaafar, M.S.
    MyJurnal
    Precast concrete technology forms an important part in the drive towards a full implementation of the Industrialized Building System (IBS). The IBS requires building components and their dimensions to be standardized, and preferably cast off site. Slabs are major structural elements in buildings, other than beams and columns. Standardized and optimized slabs can significantly enhance the building industries in achieving the full implementation of the IBS. Nevertheless, this requires computer techniques to achieve standardized and optimized slabs which can satisfy all building design requirements, including the standards of architectural and structural design standards. This study proposed a computer technique which analysed and designed five different types of slabs which will satisfy all the requirements in design. The most commonly used slabs included in this study were the solid one way, solid two way, ribbed, voided and composite slabs. The computer techniques enable the design of the most optimized sections for any of the slab types under any loading and span conditions. The computer technique also provides details for the reinforcements required for the slabs.
    Matched MeSH terms: Construction Industry
  18. Abu Aisheh YI, Alaloul WS, Alhammadi SA, Tayeh BA
    Int J Occup Saf Ergon, 2023 Dec;29(4):1358-1367.
    PMID: 36177998 DOI: 10.1080/10803548.2022.2131123
    The construction industry is one of the hazardous fields due to its exceptional environment. Therefore, this work aimed to assess the essential drivers needed for employing safety management in the Palestinian construction industry. The drivers for safety management were recognized from earlier literature, where the questionnaires were dispersed to professionals from construction projects. The exploratory factor analysis (EFA) technique was then performed to contextually adjust the identified drivers. The results showed that safety management drivers could be categorized into three constructs: management, awareness and policy. In addition, partial least squares structural equation modelling (PLS-SEM) was performed to generate the safety management driver's model. The results indicated that management drivers were vital drivers for adopting safety management. The study's findings would act as a reference for construction stakeholders to decrease danger and enhance the construction project's success via implementing safety management drivers.
    Matched MeSH terms: Construction Industry*
  19. Khairuddin Sulaiman, Norhayati Mahyuddin
    MyJurnal
    The construction industry is an important industry in the Malaysian’s economy. Much has been said about the quality of the product as well as the image of the industry due to the small percentage of local workers on site. The industry’s welfare and safety record is not at all encouraging. To stop the rot, the government has taken important and significant steps by the establishment of the Malaysian Construction Industry Development Board (CIDB) and the National Institute of Occupational Safety and Health (NIOSH). These efforts have shown some significant positive improvement in the perception and action of those involved in the industry but we are still far from the standard shown in other developed countries in terms of site safety. This paper is to discuss the roles and responsibilities of the key players in the industry be it the clients, consultants or contractors. The focus is on the ‘upstream’ activities i.e. the pre-construction stage, rather than the ‘downstream’ i.e. the construction phase of a project.
    Matched MeSH terms: Construction Industry
  20. Nur Alia Atiqah Alias, Nabilah Syakirah Zolkifli, Mimi Wahidah Mohd Radzi, Nur Nadia Dzulkifli
    MyJurnal
    Mild steel plays an essential part in many construction industries due to its low cost and excellent mechanical properties. However, the use of strong acid in pickling, construction, and oil refining processes adds to a serious corrosion problem for mild steel. Two Cu(II) dithiocarbamate (DTC) complexes were successfully synthesised, namely Cu(II) ethyl-benzyl DTC (Cu[EtBenzdtc]2) and Cu(II) butyl-methyl DTC (Cu[BuMedtc]2) complexes, by a condensation reaction and subsequently used to scrutinise the corrosion resistance activity towards mild steel in acidic media. The proposed structures of complexes were characterised by using the Fourier transform infrared (FTIR) and ultraviolet-visible (UV-Vis) spectroscopies. The melting point for Cu[EtBenzdtc]2 was found around 362–375°C, and 389–392°C for Cu[BuMedtc]2. The percentages of Cu(II) found in Cu[EtBenzdtc]2 and Cu[BuMedtc]2 were 7.6% and 7.5%, respectively. Both complexes were non-electrolyte based on the molar conductivity analysis. Their corrosion inhibition performances were tested by using a weight loss measurement. Cu[BuMedtc]2 showed a good result as a corrosion inhibitor compared to Cu[EtBenzdtc]2. The complexes showed good effectiveness in sulfuric acid (H2SO4) compared to hydrochloric acid (HCl) solution. Furthermore, Cu[BuMedtc]2 showed a good result as a corrosion inhibitor compared to Cu[EtBenzdtc]2 with the highest percentage of corrosion inhibition recorded at 91.8%. Meanwhile, the highest percentage of corrosion inhibition shown by Cu[EtBenzdtc]2 was only 86.9%. The lowest corrosion rate shown for Cu[BuMedtc]2 was 8.1944×10-4 cm-1 h-1. Meanwhile, the Cu[EtBenzdtc]2 showed the lowest corrosion rate only at 1.3194×10-3 cm-1 h-1. This implies that Cu[BuMedtc]2 showed lower corrosion rate but higher inhibition efficiency compared to Cu[EtBenzdtc]2.
    Matched MeSH terms: Construction Industry
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