· Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate (CaSO4·2H2O). It is commonly found in sedimentary rock formations and is often associated with other minerals such as anhydrite,
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· Journal of the American Ceramic Society (JACerS) is a leading ceramics journal publishing research across the field of ceramic and glass science and engineering. Abstract Regulating the crystal
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· A new technique using dyed gypsum particles (DGP Some features of the ASCE Shopping cart and login features of the website will be down for maintenance on Sunday, June 16th, 2024, beginning at 12:00 A.M. ET and ending at 6:00 A.M. ET.
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· Mortar is of fundamental importance for the building technology. It is used to bind together masonry units and ease the building process. Several building techniques evolved to take advantage of the capacity of mortars to improve cohesiveness and form sound structures. In this paper, I discuss how lime and gypsum mortars were employed
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· Erbs et al. (2015) evaluated the calcination of gypsum from gypsum plasterboard sheets and commercial gypsum at temperatures of 160 C, 180 C and 200 C for periods of 1, 2, 4, 8, and 24 h. The best results were obtained at 180 °C to the residence period of 24 h in the tests for setting time, axial compressive strength, splitting tensile
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· Recycled gypsum can be used interchangeably with natural gypsum for almost all applications, including in the production of Portland cement (Chandara et al., 2009). A study by Suarez et al. (2016) uses life cycle assessment methodology to evaluate the environmental impacts of using natural and recycled gypsum in Portland cement
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· International Journal of Environmental Science and Technology-Phosphogypsum is the most significant industrial solid waste in the world. Phosphogypsum has a complex composition and its Status of phosphogypsum utilization Natural gypsum (CaSO 4 ·2H 2 O) is a versatile industrial and construction material, which is heavily
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· The sulfate will then bond with surrounding calcium and water to create the final product gypsum. Gypsum has the following properties: Mohs Scale Hardness : 1.5 – 2. Specific Gravity: 2.31 – 2.33. Gypsum Streak: White. Fracture: Conchoidal, splintery (parallel) Gypsum Luster: vitreous, silky, pearly, waxy. Crystal System: Elongated
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· PDF | This work presents fluidization characteristics of Tongo gypsum, crushed and ground, International Journal of Engineering and Technical Research (IJETR) ISSN: 2321-0869, Volume-2, Issue
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PDF | On Jan 1, 2020, Assefa Takele Getaneh and others published Suitability of Gypsum and Crushed Waste Brick Mix for Stabilization of Weak Subgrade Soil | Find, read and cite all the research
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· ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads
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· The incorporation of recycled papers, paperboards and Tetra Pak as filling materials in brittle matrices presents an interesting approach in the utilization of waste materials for building construction. This paper examines the compressive strength and microstructure of gypsum-bonded wastepaper-based composites. Recycled wastepaper
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Particle crushing commonly occurs in geotechnical engineering processes, e.g., the construction of high rockfill dams (Tapias et al. 2015;Jiaetal.2017;Xiaoetal.2020),thecyclicloadingofrailway
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· The performance of crushed rock backfill, during construction, operation and closure, relies on optimizing its mechanical properties. This paper explores how density and composition influence the strength of (i) crushed halite and (ii) crushed gypsum-mudstone mixtures of the Triassic Mercia Mudstone Group which is a potential DGR host
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· The waste amount coming from construction and demolition (CDW) has significant volume and potential to provide the backbone of a secondary material bank. Up to now, little attention is paid
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· Gypsum, also called calcium sulphate hydrate, is a mineral found in sedimentary rock. Gypsum is formed by the evaporation and replacement of waters containing sulphates and calcium. Grey or white in colour, this amazing mineral can be crushed into fine dust and heated until most of the moisture is eliminated. This process
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· Gypsum, a versatile and essential mineral, finds extensive use in various industries, such as construction, agriculture, and manufacturing. The demand for gypsum products has led to the
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Dental Journal (Majalah Kedokteran Gigi) p-ISSN: 1978-3728; e-ISSN: 2442-9740. Accredited No. 32a/E/KPT/2017. Gypsum that had hardened was then crushed to form pieces. To make 1% slurry water, 1 g of gypsum pieces were soaked in 100 ml offor 48
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· Fine recycled aggregates (FRA) (0/4 mm) are up to now not valorized on a high enough level because of characteristics like an elevated water absorption, higher fines content, and the presence of contaminations. Leftover gypsum residues from the construction site can cause internal sulfate attack when FRA are incorporated into new
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· Physical-chemical properties of phosphorous gypsum, proportion and cemented mechanism of slurry with gypsum as aggregate were studied to remove the harms of gypsum pile, combining with difficult problems of excessive mined-out gobs, enormous ore body under roadway and low recovery ratio of Yongshaba Mine, Kaiyang
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Gypsum-reinforced zeolite composite for particulate matter reduction from vehicular emissions. Journal of Environmental Chemical Engineering 2017 , 5 (3) , 2631-2638.
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The performance of crushed rock backfill, during construction, operation and closure, relies on optimizing its mechanical properties. This paper explores how density and composition influence the strength of (i) crushed halite and (ii) crushed gypsum-mudstone mixtures of the Triassic Mercia Mudstone Group which is a potential DGR host rock in the UK.
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· In order to utilize reclaimed gypsums (gypsum board waste) derived from waste plasterboards as geo-materials, thermal behaviors of the reclaimed gypsums and reagent gypsum are investigated in this paper. Furthermore, simple density measuring method of judging quality of the reclaimed gypsums is examined to determine the
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· The granular or powdered form of gypsum specifically marketed towards garden use has a variety of different applications. Primarily, gypsum is used for helping to break up heavily compacted
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· In this study, four ancient lime plaster production technology and their properties in different periods were investigated to evaluate their compatibility with modern conservation applications. Mayans, Egyptians, Persians and Asian civilization started their early developments based on the regional availability of raw materials for early
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· Flue gas desulfurization gypsum (FGDG) is an industrial by-product generated during the flue gas desulfurization process in coal-fired power plants. Due to its abundance, chemical and physical properties, FGDG has
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· The flexural strength of gypsum is reported for freestanding single crystals in three-point bending carried with a nanoindenter. The elastic modulus, splitting tensile strength, and fracture toughness of monolithic gypsum consisting of interlocking needle-like microcrystals are also reported as functions of porosity and accelerator addition. This
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· The investigation aims to check the effect of variation of gypsum and water content on the engineering properties of expansive soil by different experiments, namely, mini compaction test, Atterberg limit’s test, and unconfined compressive strength test along with microstructural analysis. The effect of gypsum (0%, 2%, 4%, 6%, 8%, and 10%),
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· Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate (CaSO4·2H2O). It is commonly found in sedimentary rock formations and is often associated with other minerals such as anhydrite, halite, and sulfur. The name “gypsum” is derived from the Greek word “gypsos,” which means “plaster” or “chalk.”.
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· Assefa Takele Getaneh, Fekadu Fufa, Abubekir J. Hussen. Suitability of Gypsum and Crushed Waste Brick Mix for Stabilization of Weak Subgrade Soil. International Journal of Transportation Engineering and Technology. Vol. 6, No. 4, 2020, pp. 111-117. doi: 10.
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