Zobrazeno 1 - 10
of 69
pro vyhledávání: '"John H. Sharp"'
Publikováno v:
Construction and Building Materials. 23:2338-2345
Concrete and mortar made from limestone cement may exhibit a lack of durability due to the formation of thaumasite. The addition of minerals that improve the concrete durability is expected to slow down the formation of thaumasite. In this work the e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1105f2b7dca9360009f6eedac9ae45f5
https://doi.org/10.1016/j.conbuildmat.2008.11.004
https://doi.org/10.1016/j.conbuildmat.2008.11.004
Publikováno v:
Cement and Concrete Composites. 30:970-978
A study was carried out into the potential use of slag from the Imperial Smelting Furnace method of zinc production (ISF slag) as a fine aggregate in concrete. One of the main issues associated with the use of ISF slag was that zinc and lead ions are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c9615eed1042653da809c0d1bea31bf
https://doi.org/10.1016/j.cemconcomp.2008.07.005
https://doi.org/10.1016/j.cemconcomp.2008.07.005
Publikováno v:
Cement and Concrete Research. 38:737-744
The removal of water from hardened cement paste for analysis or to arrest ongoing hydration has been reported to affect the composition of hydrated phases and microstructure. The effect that arresting the hydration of hardened cement paste by replaci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2deff2703e6c03f3e8bfcd93a027fc08
https://doi.org/10.1016/j.cemconres.2008.02.012
https://doi.org/10.1016/j.cemconres.2008.02.012
Publikováno v:
Journal of the American Ceramic Society. 91:948-954
Isothermal conduction calorimetry has been used to monitor the early hydration of Portland–blastfurnace slag (BFS)-blended cements. Portland:BFS composite cements with ordinary Portland cement replacements from 0 to 90 wt% were studied at curing te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f3120de8f45b9a1c5207846544498c3
https://doi.org/10.1111/j.1551-2916.2007.02124.x
https://doi.org/10.1111/j.1551-2916.2007.02124.x
Publikováno v:
Cement and Concrete Research. 36:384-394
This paper presents the findings of a long-term study on the microstructure of Portland cement mortar specimens containing 5%, 15% and 35% limestone filler, as cement replacement, after exposure to a solution of magnesium sulfate at a concentration o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b63c51cd63d75353a8ea87670dddf1b6
https://doi.org/10.1016/j.cemconres.2005.02.007
https://doi.org/10.1016/j.cemconres.2005.02.007
Publikováno v:
Cement and Concrete Research. 36:160-170
The thaumasite form of sulfate attack (TSA) has been recognised in recent years as a distinct mechanism by which degradation of buried concrete can occur in the presence of an external source of sulfate ions. There is, however, disagreement about the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23e9c7eded1c9843cc0d9926994e6fc9
https://doi.org/10.1016/j.cemconres.2005.01.003
https://doi.org/10.1016/j.cemconres.2005.01.003
Autor:
Joanne Hill, John H. Sharp
Publikováno v:
Journal of the American Ceramic Society. 88:560-565
The hydration of two high replacement composite cements (3:1 blast furnace slag:ordinary Portland cement (BFS:OPC), and 3:1 pulverized fuel ash:OPC (PFA:OPC)) with the addition of both SnCl2 and SnCl4 has been investigated and the results from X-ray
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::726f832cc7b58ad175344ea2ad7a1bf4
https://doi.org/10.1111/j.1551-2916.2005.00127.x
https://doi.org/10.1111/j.1551-2916.2005.00127.x
Publikováno v:
Journal of the American Ceramic Society. 82:3237-3241
Variation in the composition of C-S-H gel, the main hydration product of portland cement, cured at various temperatures, was studied using scanning electron microscopy with energy dispersive X-ray spectroscopy. Samples of two cement pastes were cured
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34c4a7bfa469f1657e961f94bbb0ee72
https://doi.org/10.1111/j.1151-2916.1999.tb02230.x
https://doi.org/10.1111/j.1151-2916.1999.tb02230.x
Autor:
J.-I. Escalante-Garcia, John H. Sharp
Publikováno v:
Cement and Concrete Composites. 26:967-976
Pastes of neat and blended Portland cement (incorporating either 60% ground granulated blast furnace slag, or 30% pulverised fuel ash, or 22% volcanic ash) were cured for one year at temperatures ranging from 10 to 60 °C. The hydration products were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c2dd5a41c2a5e534b8850e583b897eb
https://doi.org/10.1016/j.cemconcomp.2004.02.036
https://doi.org/10.1016/j.cemconcomp.2004.02.036
Publikováno v:
Cement and Concrete Research. 34:1599-1612
The development of the thaumasite form of sulfate attack (TSA) has received considerable attention since its discovery in the foundations of motorway bridges in England in 1998. When TSA occurs in siliceous aggregate concrete and mortars, particularl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8093aeccb5f91a59a6402d644a04fa25
https://doi.org/10.1016/j.cemconres.2004.02.024
https://doi.org/10.1016/j.cemconres.2004.02.024