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36 articles for “curing”
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Research ArticleOpen accessIn the keywordsThe Use of Nano Silica for Improving Mechanical Properties of Hardened Cement PasteIntisar Kuli, Taher M. Abu-Lebdeh, Elham H. Fini, Sameer A. HamoushThe influence of adding Nano particles of silicon dioxide (SiO2) on cement pastes was studied for both water and vacuum curing methods. Specimens made up of different percentage of Nano Silica were tested at different ages ranging from 3-56 days. The effect of (5-20 nm) Nano-Silica on the strength development of Nano-cement was determined using Material Tests System (MTS). The … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 1 · 13 Mar 2016 · 9,084 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Use of the Super Absorbent Polymer as Water Blocker in Concrete StructuresMoayyad Al-Nasra, Mohammad Daoudb, Taher M. Abu-LebdehAdding super absorbent polymer to the concrete mix improves the performance of the concrete in its both stages; fresh concrete and hardened concrete. The super absorbent polymer has the ability to absorb relatively large amount of water and convert it into gel at the same time the volume increases proportionally. The new modified concrete has the ability to retain water … …American Journal of Engineering and Applied Sciences, Vol. 8, Issue 4 · 6 Nov 2015 · 8,932 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEffect of Polypropylene Fibers on the California Bearing Ratio of Air Cured Stabilized Tropical Peat SoilBehzad Kalantari, Bujang B.K. Huat, Arun PrasadProblem statement: Peat soil is well known to deform and fail under a light surcharge load and is characterized with low shear strength, high compressibility and high water content. With the rising demand from the construction industry, utilization of these soils is required and suitable technique needs to be found out for stabilizing them. Approach: Model study had been carried … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 1 · 31 Mar 2010 · 8,697 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSynthesis and Characterization of Bio-based Polyurethane PolymersJahangir Emrani, Ramazan Benrashid, Shahrzad Mohtarami et al.This paper describes the development of new biobased Polyurethanes (PU) starting from swine manure bio-resin and diisocyanates. The bio-resin is produced from swine manure via a hydrothermal process. For sustainability, today, many PUs in new specialized applications, are biobased. In this study, different commercial diisocyanates including MDI, Desmodur W, Desmodur H and Demodur I and swine manure, which is an … …American Journal of Engineering and Applied Sciences, Vol. 11, Issue 4 · 28 Nov 2018 · 8,361 accessesView PDFCite
Research ArticleOpen accessIn the keywordsRole of Plasmid in Production of Acetobacter Xylinum BiofilmsAbbas Rezaee, Sanaz Solimani, Mehdi ForozandemogadamAcetobacter xylinum has the ability to produce cellulotic biofilms. Bacterial cellulose is expected to be used in many industrial or biomedical materials for its unique characteristics. A. xylinum contains a complex system of plasmid DNA molecules. A 44 kilobases (kb) plasmid was isolated in wild type of A. xylinum. To improve the cellulose producing ability of A. xylinum, role of … …American Journal of Biochemistry and Biotechnology, Vol. 1, Issue 3 · 30 Sep 2005 · 7,498 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Investigation of Mold Cavity Pressure of Self-Clamping Molds During Solid Tire ManufacturingSadeep Amantha Mawathage, Jayashingha Arachchige Indika Sanjeewa, Nirosh Dilruk JayaweeraThis study investigates the mold cavity pressure in self-clamping molds used for solid tire manufacturing, a sector where Sri Lanka is a leading global supplier. Our research presents a detailed investigation into the mold cavity pressure of self-clamping molds used in solid tire production. By integrating experimental data, the effects of critical parameters such as clamp bolt torque, final tire … …American Journal of Engineering and Applied Sciences, Vol. 18, Issue 1 · 2 Oct 2025 · 2,963 accessesView PDFCite
Research ArticleOpen accessIn the abstractExploring the Impact of Incorporating Fine-Grained Materials on the Resistance Characteristics of Cement-Reinforced ClaySayed Amirhossein Hosseini Chaleshtori, Mohammad Alibabaei ShahrakiThis study, conducted with meticulous attention to detail, examined the influence of fine-grained materials on the resistance components of clay, with and without cement reinforcement. Micro-silica, perlite, crystal barite, gypsum, silica and talc were added to investigate this matter and samples were created and modeled under standard laboratory conditions. The current study aimed to examine the effectiveness of organic granules … …American Journal of Engineering and Applied Sciences, Vol. 17, Issue 3 · 13 Aug 2024 · 5,579 accessesView PDFCite
Research ArticleOpen accessIn the abstractGreen Building: Use of Pozzolanic Material to Reduce CO2 Emissions and Energy Conservation in the Production of Composite Pozzolanic CementAbd EL-Rahman Ragab, Shimaa Younis, Mohamed Sayed Mohamed MoawadThe effect of pozzolanic material on the mechanical properties and microstructure of clinker Portland cement mortar was studied. The main objective of this research is to formulate a Pozzolanic blended cement mortar with high mechanical properties to reduce CO2 emissions and energy conservation uses in the clinker industry. The present investigation aims to study the effect of fresh basalt on … …American Journal of Engineering and Applied Sciences, Vol. 15, Issue 2 · 9 Jun 2022 · 6,278 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Bisphenol A Polyether Polyols on the Synthesis of Hydrophilic Epoxy ResinsJinhua Yi, Xin YuanThe article uses three types of Bisphenol A polyether polyols BEO, BPO-6 and BPO-10 as raw materials, reacts with epichlorohydrin under the action of a catalyst and synthesizes a hydrophilic epoxy resin. The molecular structure of the product is analyzed by infrared spectroscopy and the results show that the synthesis of the hydrophilic epoxy resin BEOGE conforms to the results … …American Journal of Biochemistry and Biotechnology, Vol. 17, Issue 3 · 15 Jul 2021 · 7,659 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effects of Cement Kiln Dust on the Soil Electrical ResistivityHamid Ranjkesh Adarmanabadi, Arezou Rasti, Mehrdad RazaviElectrical resistivity is a non-destructive, cost-effective and sensitive method to evaluate soil's physical and chemical properties. Electrical resistivity has been used widely in surface and subsurface exploration. The electrical resistivity is directly related to the subsurface geotechnical and geothermal properties like porosity, temperature, salinity and water content. Recently uses of waste material as an additive to improve the soil engineering … …American Journal of Engineering and Applied Sciences, Vol. 14, Issue 1 · 14 Jan 2021 · 7,272 accessesView PDFCite