The Influence of Limestone Additions on Optimum Sulfur Trioxide Content in Portland Cements

Campiteli, VC; Florindo, M C

doi:10.1520/stp23469s

Cited by 7 publications

(8 citation statements)

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“…Thus, the optimum SO 3 content for maximum strength may differ in cements with limestone compared to plain cements. Further investigations are needed to verify the results postulated by Campiteli et al [84] and understand why a decrease in the sulfate demand occurs in the presence of limestone. Some SCMs-e.g., fly ash [108,111] and in particular circulating fluidized bed combustion (CFBC) fly ashes [128,129]-contains sulfates in their composition.…”

Section: Supplementary Cementitious Materials (Scms)mentioning

confidence: 84%

“…The enhancement in cement hydration is generally higher when using limestone compare to others SCMs, as the limestone surface seems to have a stronger bond interaction with calcium ions [9,114]. According to Campiteli et al [84] the limestone actually decreases the optimum sulfate content for maximum strength. This behavior may be related to the change in phase assembly when using limestone, which stabilizes hemicarboaluminate and monocarboaluminate instead of monosulfate, thus increasing the ettringite formation [53,127].…”

Section: Supplementary Cementitious Materials (Scms)mentioning

confidence: 96%

“…Thus, sulfate consumption is enhanced, and sulfate depletion is accelerated. Therefore, the higher the cement fineness, the higher the amount of sulfate needed to obtain a proper sulfated system [6,84].…”

Section: Physic-chemical and Mineralogic Properties Of Clinkermentioning

confidence: 99%

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Effects of sulfates on the hydration of Portland cement – A review

Neto

Torre

Kirchheim

2021

Construction and Building Materials

129

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Section: Supplementary Cementitious Materials (Scms)mentioning

confidence: 84%

Section: Supplementary Cementitious Materials (Scms)mentioning

confidence: 96%

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Effects of sulfates on the hydration of Portland cement – A review

Neto

Torre

Kirchheim

2021

Construction and Building Materials

129

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“…In the case of finely ground limestone (calcium carbonate) based processing additions, carboaluminates will be formed, potentially adding to early strength (Klemm and Adams, 1990;Neville, 1997;Taylor, 1997;Jackson, 1998). The limestone can also affect the SO 3 optimum of the cement (Camppiteli and Florindo, 1990).…”

Section: Interactions With Other Chemicals In Cementmentioning

confidence: 99%

Specifications and Protocols for Acceptance Tests on Processing Additions in Cement Manufacturing

Taylor¹

2008

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Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM Systematic, well-designed research provides the most effective approach to the solution of many problems facing highway administrators and engineers. Often, highway problems are of local interest and can best be studied by highway departments individually or in cooperation with their state universities and others. However, the accelerating growth of highway transportation develops increasingly complex problems of wide interest to highway authorities. These problems are best studied through a coordinated program of cooperative research. In recognition of these needs, the highway administrators of the American Association of State Highway and Transportation Officials initiated in 1962 an objective national highway research program employing modern scientific techniques. This program is supported on a continuing basis by funds from participating member states of the Association and it receives the full cooperation and support of the Federal Highway Administration, United States Department of Transportation. The Transportation Research Board of the National Academies was requested by the Association to administer the research program because of the Board's recognized objectivity and understanding of modern research practices. The Board is uniquely suited for this purpose as it maintains an extensive committee structure from which authorities on any highway transportation subject may be drawn; it possesses avenues of communications and cooperation with federal, state and local governmental agencies, universities, and industry; its relationship to the National Research Council is an insurance of objectivity; it maintains a full-time research correlation staff of specialists in highway transportation matters to bring the findings of research directly to those who are in a position to use them. The program is developed on the basis of research needs identified by chief administrators of the highway and transportation departments and by committees of AASHTO. Each year, specific areas of research needs to be included in the program are proposed to the National Research Council and the Board by the American Association of State Highway and Transportation Officials. Research projects to fulfill these needs are defined by the Board, and qualified research agencies are selected from those that have submitted proposals. Administration and surveillance of research contracts are the responsibilities of the National Research Council and the Transportation Research Board. The needs for highway research are many, and the National Cooperative Highway Research Program can make significant contributions to the solution of highway transportation problems of mutual concern to many responsible groups. The program, however, is intended to complement rather than to substitute for or duplicate other highway research programs.

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“…CEM II/A-L and CEM II/B-L, both called "Portland limestone cement", contain 6% to 20% and 21% to 35% ground limestone, respectively. Roughly 19% of all cement sold in Europe contains between 6% and 35% limestone [3]. The requirements were specified for lime-stone use pertaining to effects on performance only.…”

Section: Introductionmentioning

confidence: 99%

Effect of Corrosion Inhibitors in Limestone Cement

Zacharopoulou¹,

Zacharopoulou²,

Atteyeh³

et al. 2013

MSA

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In this paper examines the improving durability of different limestone cement and effects of the use of corrosion inhibitor. The target is to experimentally investigate the effect of different types of cement in corrosion of reinforcement in presents of corrosion inhibitors and without it. Three types of cement have been used: CEM II, LC1 and LC2. For this purpose constructed mortar specimens, containing 4 reinforcements, with or without corrosion inhibitors for each group, these exhibited to partial immersion in sodium chloride in 3.5% w.t NaCl solution. The methods, with which the corrosion of reinforcement in concrete was tested, were measurements of corrosion potential, corrosion current and mass loss of reinforcement. The mortars with CEM II cement have better durability than that with limestone cement. The use of VpCI, Cyclohexylammonium benzoate, improves the corrosion protection of mortars with CEM II cement upper 50%. On the other hand, the addition of VpCI, Cyclohexylammonium benzoate, improves the corrosion protection of mortars with limestone cement 30% or lower.

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The Influence of Limestone Additions on Optimum Sulfur Trioxide Content in Portland Cements

Cited by 7 publications

References 0 publications

Effects of sulfates on the hydration of Portland cement – A review

Effects of sulfates on the hydration of Portland cement – A review

Specifications and Protocols for Acceptance Tests on Processing Additions in Cement Manufacturing

Effect of Corrosion Inhibitors in Limestone Cement

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