Kerjaya merupakan salah satu keperluan bagi setiap manusia samada golongan normal

mahupun golongan berkeperluan khas. Kerjaya merupakan laluan bagi manusia untuk

mencari sumber pendapatan untuk memastikan kelangsungan hidup. Namun, terdapat

isu berkaitan pengangguran terhadap golongan berkeperluan khas. Oleh itu kajian ini

dilaksanakan untuk mengenal pasti persepsi industri hospitaliti terhadap golongan

berkeperluan khas (masalah pendengaran) serta mengenal pasti cabaran yang dihadapi

oleh industri dalam pengambilan pekerja berkeperluan khas (masalah pendengaran).

Selain itu kajian ini juga dijalankan untuk mengenal pasti keperluan kriteria yang

diharapkan oleh industri hospitaliti. Kajian ini melibatkan 28 syarikat di bawah sektor

hospitaliti yang terdapat di sekitar Batu Pahat dan Muar, Johor. Seramai 88 orang

majikan yang terdiri daripada pengurus, penyelia, ketua-ketua bahagian dan pekerja

yang terlibat dengan pekerja berkeperluan khas (masalah pendengaran) adalah

responden dalam kajian ini. Kajian ini menggunakan borang soal selidik sebagai

instrument kajian. Data yang diperoleh dianalisis menggunakan kaedah deskriptif

menggunakan perisian SPSS (Statistic Package for the Social Science) versi 16.0.

Hasil dapatan menunjukkan tahap penerimaan industri hospitaliti terhadap golongan

pekerja berkeperluan khas (masalah pendengaran) berada pada tahap sederhana

A. Halim, N. F.

Ibrahim, M.

Marwah, O. M. F.

Mohamad, E. J.

Shukri, M. S.

An effective pathway to achieve the sustainable development of resources and environmental protection is to utilize shale ceramsite (SC), which is processed from shale spoil to produce high-strength lightweight concrete (HSLWC). Furthermore, the urgent demand for better performance of HSLWC has stimulated active research on graphene oxide (GO) in strengthening mechanical properties and durability. This study was an effort to investigate the effect of different contents of GO on HSLWC manufactured from SC. For this purpose, six mixtures containing GO in the range of 0–0.08% (by weight of cement) were systematically designed to test the mechanical properties (compressive strength, flexural strength, and splitting tensile strength), durability (chloride penetration resistance, freezing–thawing resistance, and sulfate attack resistance), and microstructure. The

experimental results showed that the optimum amount of 0.05% GO can maximize the compressive strength, flexural strength, and splitting tensile strength by 20.1%, 34.3%, and 24.2%, respectively, and exhibited excellent chloride penetration resistance, freezing–thawing resistance, and sulfate attack resistance. Note that when the addition of GO was relatively high, the performance improvement in

HSLWC as attenuated instead. Therefore, based on the comprehensive analysis of microstructure, the optimal addition level of GO to achieve the best mechanical properties and durability of HSLWC is considered to be 0.05%. These findings can provide a new method for the use of SC in engineering

Xiaojiang Hong, Xiaojiang Hong

Jin Chai Lee, Jin Chai Lee

Jing Lin Ng, Jing Lin Ng

Md Yusof, Zeety

Qian He, Qian He

Qiansha Li, Qiansha Li

UTHM Institutional Repository

Effect of Graphene Oxide on the Mechanical Properties and

Durability of High-Strength Lightweight Concrete Containing

Shale Ceramsite

An effective pathway to achieve the sustainable development of resources and environmental protection is to utilize shale ceramsite (SC), which is processed from shale spoil to produce high-strength lightweight concrete (HSLWC). Furthermore, the urgent demand for better performance of HSLWC has stimulated active research on graphene oxide (GO) in strengthening mechanical properties and durability. This study was an effort to investigate the effect of different contents of GO on HSLWC manufactured from SC. For this purpose, six mixtures containing GO in the range

of 0–0.08% (by weight of cement) were systematically designed to test the mechanical properties (compressive strength, flexural strength, and splitting tensile strength), durability (chloride penetration resistance, freezing–thawing resistance, and sulfate attack resistance), and microstructure. The experimental results showed that the optimum amount of 0.05% GO can maximize the compressive strength, flexural strength, and splitting tensile strength by 20.1%, 34.3%, and 24.2%, respectively, and exhibited excellent chloride penetration resistance, freezing–thawing resistance, and sulfate attack resistance. Note that when the addition of GO was relatively high, the performance improvement in

HSLWC as attenuated instead. Therefore, based on the comprehensive analysis of microstructure, the optimal addition level of GO to achieve the best mechanical properties and durability of HSLWC is considered to be 0.05%. These findings can provide a new method for the use of SC in engineering

Zeety Md Yusof, Zeety Md Yusof

Persepsi industri hospitaliti terhadap golongan pekerja berkeperluan khas (masalah pendengaran)

Persepsi industri hospitaliti terhadap golongan pekerja berkeperluan khas (masalah pendengaran)

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UTHM Institutional Repository

UTHM Institutional Repository