calcium-silicate-hydrate (C-S-H)
Creep Mechanisms of Calcium–Silicate–Hydrate: An Overview of Recent Advances and Challenges
... Creep is a material property commonly defined as a time- dependent deformation under sustaining loads. Creep is essentially important to cementitious materials since excess deformation can negatively impact the long-term ...
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Effect of silica particle size on the formation of calcium silicate hydrate [C-S-H] using thermal analysis
... Calcium silicate hydrate (C-S-H) is made by mixing calcium hydroxide (portlandite), silica and water at two calcium oxide to silica (C/S) ratios, using nano-silica and silica ...
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X-ray Absorption Fine Structure Studies of Calcium Silicate Hydrate Biomaterials in Drug Delivery
... In recent years, the number of medications to treat musculoskeletal disorders such as osteoporosis and osteoarthritis is growing [1]. Conventionally, treatments are either by oral intake or injection, however, the ...
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Synthesis of pure zeolite P2 from calcium silicate hydrate; tobermorite
... materials. Calcium silicate hydrates (tobermorite) was firstly hydrothermally prepared from quartz and calcium oxide at 175 °C for 24 ...from calcium silicate hydrate phases as ...
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Direct synthesis of a solid calcium-silicate-hydrate (C-S-H)
... Grangeon et al. [31] where for each data set, 4 independent fits were carried out in which the occupancy of the Si bridging and paired tetrahedra were constrained differently. In 2 of the 4 fits, only the occupancy of ...
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Effect of temperature and aluminium on calcium (alumino)silicate hydrate chemistry under equilibrium conditions
... of calcium silicate hydrate (C-S-H) a [1], coarsening of paste microstructures [2], and decreasing compressive strengths [3] with increasing ...
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Mechanical properties of C-S-H globules and interfaces by molecular dynamics simulation
... 1 2 MECHANICAL PROPERTIES OF C-S-H GLOBULES AND INTERFACES BY MOLECULAR DYNAMICS SIMULATION 3 Ding Fan1 and Shangtong Yang1* 4 5 6 7 1 8 At meso-scale, Calcium Silicate Hydrate C-S-H can[r] ...
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Pozzolanic Reaction of a Biomass Waste as Mineral Addition to Cement Based Materials: Studies by Nuclear Magnetic Resonance (NMR)
... of calcium‑silicate hydrate (C‑S‑H) gel formation during pozzolanic reaction between the biomass ash and calcium hydroxide through nuclear magnetic resonance technique with two different types ...
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Low-pressure silica injection for porosity reduction in cementitious materials
... with calcium hydroxide (CH) present in the hydrated cement paste to form additional cal- cium silicate hydrate (C-S-H) was determined by the quantity of calcium hydroxide and calcium ...
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Rock alteration in alkaline cement waters over 15 years and its relevance to the geological disposal of nuclear waste
... primary silicate minerals and the formation of secondary calcium silicate hydrate (C–S–H) phases containing varying amounts of aluminium and potassium (C–(A)–(K)–S–H) during the early stages ...
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Rock alteration in alkaline cement waters over 15 years and its relevance to the geological disposal of nuclear waste
... primary silicate minerals and the formation of secondary calcium silicate hydrate (C–S–H) phases containing varying amounts of aluminium and potassium (C–(A)–(K)–S–H) during the early stages ...
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Alkali Activated Slag Characterization by Scanning Electron Microscopy and X-ray Microanalysis
... Composite cements are hydraulic cements that contain Portland cement and reactive inorganic materials that improve the cement hydration such as fly ash, blast furnace slag, and limestone. The reactive materials are ...
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Strength Study on Activated Fly ASH Concrete with Glass Fiber
... The utilization of fly ash as construction material largely depends on its mineral structure and pozzolanic property. These two properties of fly ash can be enhanced by different methods of activation. The chemical ...
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Microstructure Characteristics of Fly Ash Concrete with Rice Husk Ash and Lime Stone Powder
... Addition of LP to cement causes an increase of hydration at early ages inducing a high early strength, but it can reduce the long-term strength due to the dilution effect (Ghrici et al. 2007). RHA could be advantageously ...
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Journal of Applied Pharmaceutical Science
... Amoxicillin was received as a gift sample from Cadila Pharmaceutical Ltd., Ahmedabad. Sigma Aldrich Laborchemikalien GMBH Bombay India provided Porous calcium silicate (Florite® RE,FLR ). Ethyl cellulose ...
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Calcium Isotopes in Natural and Experimental Carbonated Silicate Melts
... of calcium isotopes at high temperatures have discussed the differences in Ca-O bonds lengths between different phases as a major contributing factor ...in silicate and carbonate ...which calcium ...
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Bioceramic Based Root Canal Sealers: A Review
... intracanal calcium hydroxide improved the bonding of iRoot SP to the root dentin; however, the bonding was less than that of AH Plus and comparable to MTA-Fillapex in the absence of calcium hydroxide ...
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Effect of Silica Fume and Bentonite on Strength and Durability of High Performance Concrete
... In cementations compounds, silica fume works on two levels, the first one is a chemical reaction called the "pozzolanic" reaction. The hydration (mixing with water) of Portland cement produces many compounds, ...
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Influence of Silicate Structure on the Low Temperature Synthesis of Belite Cement from Different Siliceous Raw Materials
... tion of the product at 650 ˚C - 1000˚C [5]-[9]. The hydrothermal method used by previous researchers for syn- thesizing belite cement was modified to optimize the synthesis parameters [10] [11]. The hydrothermal treat- ...
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Limestone as Solid Mineral to Develop National Economy
... of calcium carbonate with the occasional presence of ...the calcium carbonate in the stone originated from shelled oceanic ...when calcium and carbonate ions suspended in water chemically bond and ...
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