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Get PriceProceedings Nordic Concrete Research Meeting, Elsinore, Denmark, 2002 pages 263 - 265 publisher Norsk Betongforening conference name ... {263--265}, publisher = {Norsk Betongforening}, title = {The effect of ageing on the salt-frost resistance of concrete}, year = {2002}, } User guide; About accessibility ...
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Get PriceAbstract This thesis presents the results of an investigation of the influence of ageing on the salt-frost resistance of concrete. The ageing mechanisms investigated were hydration, drying and carbonation. Specimens of ‘micro’-concrete, either with OPC alone as the binder or with silica or slag as part of the binder, were freeze/thaw tested ...
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Get PriceAbstract This thesis presents the results of an investigation of the influence of ageing on the salt-frost resistance of concrete. The ageing mechanisms investigated were hydration, drying and carbonation. Specimens of ‘micro’-concrete, either with OPC alone as the binder or with silica or slag as part of the binder, were freeze/thaw tested at different ages after casting.
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Get PriceThe ageing processes can be characterized as occurring in two phases, namely, Short Term Ageing and Long Term Ageing. Short Term Ageing is a high temperature process, occurring over a period of hours.
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Get PriceAccelerated Ageing of Geopolymers • Ageing at 95oC produced dramatic acceleration of ageing effects • Strength Loss of 60% of cured value • Linked to phase changes – development of Zeolites ... ChemicalTesngofHardenedCement/Concrete ’ Acid’Resistance ’H ’Sulphate’Resistance’’ ...
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Get Price? Reading time: 1 minute When concrete is not cured properly, its durability, strength and abrasive resistance are affected. Due to inadequate curing, concrete develops plastic shrinkage cracks, thermal cracks, along with a considerable loss in the strength of the surface layer. When the surface of the concrete is not kept moist within the first […]
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Get PriceThe influence of ageing on the salt-frost resistance of concrete. diva-portal.org. Simple search Advanced search - Research ... The influence of ageing on the salt-frost resistance of concrete. Utgenannt, Peter . RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik. Lund University.
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Get PriceSpecify hard, clean, and strong aggregates. Weak and/or lightweight aggregates often require the addition of more cement to achieve the necessary mix strength. Soft, porous aggregates can also result in weak concrete with low wear resistance…
Get Price? Reading time: 1 minute When concrete is not cured properly, its durability, strength and abrasive resistance are affected. Due to inadequate curing, concrete develops plastic shrinkage cracks, thermal cracks, along with a considerable loss in the strength of the surface layer. When the surface of the concrete is not kept moist within the first […]
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Get PriceAnd when applied to concrete, muriatic acid also etches the surface, which prepares it for a fresh coat of paint or stain. To clean and etch concrete…
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Get PriceClean the Pump Remove the pump from the fountain and soak in a 50 percent solution of diluted distilled white vinegar to loosen tough mineral stains. Wipe the outside with a soft cloth.
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