Results 81 to 90 of about 7,806 (221)
Menentusahkan faktor tekanan kerja guru sekolah menengah Gred A Daerah Batu Pahat [PDF]
, 2013 Kajian ini dilaksanakan untuk mengenal pasti faktor-faktor yang mempengaruhi tekanan kerja guru yang mengajar di kawasan bandar dan sekolah tersebut dikategorikan sebagai sekolah gred A.
Halim, Nurul Shafinaz
core
Advances in Materials Science and Engineering, Volume 2026, Issue 1, 2026.This study explores the partial replacement of ordinary Portland cement (OPC) with a composite of eggshell powder (ESP) and wheat straw ash (WSA) in C‐25 concrete, focusing on mechanical performance and durability. Cement was replaced with varying proportions of ESP and WSA, and the concrete mix was prepared following ACI guidelines.
Abdulsemad Jemal Jema +2 more
wiley +1 more source
Eco-efficient concrete using industrial wastes: a review [PDF]
, 2011 Concrete is one of the most widely used construction materials in the world. However, the production of Portland cement as the essential constituent of concrete requires a considerable energy level and also releases a significant amount of chemical ...
Jalali, Said +2 more
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Advances in Materials Science and Engineering, Volume 2026, Issue 1, 2026.The properties of fly and bottom ashes produced by Morupule power stations in Botswana are analysed for their pozzolanicity. Furthermore, the influence of physical, chemical and microstructural properties of the ashes on the performance of compressive strength of fly ash–based blended cement and geopolymer mortar was evaluated.
Damilola O. Oyejobi +4 more
wiley +1 more source
Revista Ingeniería de Construcción, 2010 Los materiales puzolánicos adicionados a las mezclas de hormigón con cemento portland reaccionan con la portlandita formando nuevos silicatos de calcio hidratados los pueden mejorar la durabilidad de estructuras de hormigón. Con el objetivo de mejorar el
Mauricio López, José Tomás Castro
doaj
Methane Production from the Digestion of Thermally Treated Food Waste at 80°C [PDF]
, 2020 Food waste is the most suitable feedstock for anaerobic digestion. However, methane yield from the digestion of food waste is low. Therefore thermal pretreatment serves as the best solution.
Fadzil, Farihah +4 more
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Journal of Engineering, Volume 2026, Issue 1, 2026.Agrostone panels, popularly used for interior walls in construction, are usually made from sustainable agricultural waste such as bagasse as filler and glass fiber as reinforcement in a binder of pumice, MgO, and MgCl2 solutions. The present work has gone ahead of one step by adding rice husk and bamboo fiber, which are abundantly available in Ethiopia,
Addisu Negash Ali +4 more
wiley +1 more source
Archaeometric approach for the study of mortars from the underwater archaeological site of Baia (Naples) Italy: Preliminary results [PDF]
, 2015 This work was aimed to evaluate the features of mortar samples taken from the underwater archaeological area of Baia (Naples, Italy), an important site, where the remains of the ancient Roman city of Baiae and Portus Iulius are submerged after ...
Barca, D. +7 more
core +1 more source
Journal of Chemistry, Volume 2026, Issue 1, 2026.Ordinary Portland cement (OPC) remains the most common binder used in construction and accounts for nearly 7%‐8% of the world’s CO2 emissions due to calcination of limestone and high energy use during clinker production. Reducing OPC content using SCMs is one of the major strategies to achieve sustainable construction.
Nancy Mweni Paul +9 more
wiley +1 more source
Acta Polytechnica, 2019 Infrastructural development across the world is fast growing due to the rapid growth in population. This has resulted in consequently creating an increase in the demand for construction materials, especially cement.
Efe Ewaen Ikponmwosa +2 more
doaj +1 more source