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Keywords: alkalies
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eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1990
ISBN-10: 0-8031-1452-4
ISBN: 978-0-8031-1452-4
... The cause of uncontrolled reactions can have different origins or explanations. This paper has the main objective of demonstrating that aggregates employed under certain circumstances also introduce alkalies in significant amounts. They can even exceed the amount of alkalies coming from other...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1986
ISBN-10: 0-8031-0498-7
ISBN: 978-0-8031-0498-3
... From about 1940 alkalies have been known as a potentially important species in concrete, despite being a minor cement constituent. The hydration reaction of silica in aggregates in concrete in the presence of alkalies, which may cause deleterious expansion, is chemically similar to the process...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1986
ISBN-10: 0-8031-0498-7
ISBN: 978-0-8031-0498-3
... This paper reviews the problem of alkali-silica surface popouts on slabs in the north central United States and adjacent southern Canada. Based on the review, it is concluded that the popouts occur as a result of reaction of alkalies in the concrete with siliceous shale in the concrete sand...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1978
ISBN-10: 0-8031-0298-4
ISBN: 978-0-8031-0298-9
... The evolution of ASTM standards relating to alkalies, specifically sodium and potassium, in portland and blended hydraulic cements is described. The standards include analytical methods for the determination of alkalies in cements, optional specification limits for alkalies in portland cements...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1972
ISBN-10: 0-8031-0096-5
ISBN: 978-0-8031-0096-1
... hydrofluoric acid transgranular corrosion intergranular corrosion boilers sea water chemical cleaning steam alkalies W. K. Boyd, 1 and W. E. Berry 1 Stress Corrosion Cracking Behavior of Nickel and Nickel Alloys REFERENCE: Boyd, W.K. and Berry, W.E., "Stress Corrosion Cracking Behavior of Nickel...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1937
ISBN-10: 0-8031-6198-0
ISBN: 978-0-8031-6198-6
... cleaning detergents alkalies R. A. Rauscher^ Alkaline Cleaning of Stainless Steel: An Overview REFERENCE: Rauscher, R. A., "Alkaline Cleaning of Stainless Steel: An Overview," Cleaning Stainless Steel, ASTMSTP 538, American Society for Testing and Materials, 1973, pp. 17-22. ABSTRACT: An overall view...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1937
ISBN-10: 0-8031-6198-0
ISBN: 978-0-8031-6198-6
... in handling alkalies and methods of disposal for spent solutions. stainless steels cleaning alkalies finishing R. K. Brandt^ andM. J. Bach^ Cleaning Stainless Steel with Alkaline Solutions REFERENCE: Brandt, R. K. and Bach, M. J., "Cleaning Stainless Steel with Alkaline Solutions," Cleaning...