Laboratory Study of High Performance Curing Compounds for Concrete Pavement PDF Download
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Author: Ramsey Kropp
Publisher:
ISBN:
Category : High strength concrete
Languages : en
Pages : 106
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Book Description
Author: Ramsey Kropp
Publisher:
ISBN:
Category : High strength concrete
Languages : en
Pages : 106
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Book Description
Author: Ramsey Kropp
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 86
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Author: C. F. Derrington
Publisher:
ISBN:
Category : Acrylic resins
Languages : en
Pages : 84
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Book Description
Eleven compounds designated as colorless and two designated as water-based were evaluated to their suitability for curing of concrete and for their lack of color. All met present requirements for sprayability, drying time, and flash point. Only ten met the moisture- retention requirements. The three that failed the moisture test were one styrene- acrylate resin and both water-based compounds. Infrared analysis revealed that the colorless materials compounds. Infrared analysis revealed that the colorless materials represent 5 different chemical classes: 4 chlorinated rubbers; 2 modified styrene-butadienes; 1 phthalic alkyd; 3 carboxylated hydrocarbons; and 1 styrene- acrylate. Both water-based materials were identified as sodium silicate liquids. Infrared measurements were used to detect chemical and physical changes of the colorless materials when exposed to laboratory conditions and natural sunlight. (Author, modified-PL).
Author: Peter C. Taylor
Publisher: CRC Press
ISBN: 0415779529
Category : Technology & Engineering
Languages : en
Pages : 220
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Book Description
Curing is one of those activities that every civil engineer and construction worker has heard of, but in reality does not worry about much. In practice, curing is often low on the list of priorities on the construction site, particularly when budgets and timelines are under pressure. Yet the increasing demands being placed on concrete mixtures also mean that they are less forgiving than in the past. Therefore, any activity that will help improve hydration and so performance, while reducing the risk of cracking, is becoming more important. Curing Concrete explains exactly why curing is so important and shows you how to best do it. The book covers: The fundamentals behind hydration How curing affects the properties of concrete, improving its long-term performance What curing technologies and techniques you can use for different applications How to effectively specify, provide, and measure curing in a project The author also gives numerous examples of how curing—or a lack of it—has affected concrete performance in real-world situations. These include examples from hot and cold climates, as well as examples related to high-performance concrete, performance parameters, and specifications and testing. Written for construction professionals who want to ensure the quality and longevity of their concrete structures, this book demonstrates that curing is well worth the effort and cost.
Author: National Research Council (U.S.). Highway Research Board. Committee on Curing of Concrete
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 120
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Author:
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 1058
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Book Description
Author: James H. Woodstrom
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 72
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Book Description
Author: National Research Council (U.S.). Highway Research Board
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 188
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Book Description
Author: Zhi Ge
Publisher:
ISBN:
Category :
Languages : en
Pages : 144
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Book Description
Appropriate curing is important for concrete to achieve the designed properties. At present, spraying liquid membrane-forming curing compound is the most common method used in pavement and other concrete structure construction. Although a great deal of work has been done on concrete curing, most studies have focused on the effects of curing conditions (such as temperature and relative humidity) on concrete properties (such as strength and freeze/thaw durability). Limited research has been done to study different curing compounds and the changes in the surface concrete properties induced by different curing compounds and applications technologies. The present research was conducted to evaluate curing compounds, application technologies, and their effects on concrete properties, especially on the surface concrete properties. Three curing compounds were selected and applied to concrete (mortars and pastes) at three different times after casting. Two application methods, single and double layer applications, were employed. Moisture content, conductivity, sorptivity, and degree of hydration were measured at different depths in the specimens. Flexural and compressive strength of the specimens were also tested. Statistical analysis was conducted to examine the relationships between these properties. It was found, in this project, that the application of curing compound improved the concrete properties. The application of the high-efficiency-index curing compound gave better properties than the low-efficiency-index curing compound. Compared with other test methods in this project, the sorptivity test was the most sensitive test, which gave difference for different curing conditions.
Author: Nancy Marie Whiting
Publisher:
ISBN:
Category :
Languages : en
Pages : 294
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Book Description
