The Water Content of Hardened Concrete PDF Download
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Author: H. Hilsdorf
Publisher:
ISBN:
Category :
Languages : en
Pages : 116
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Book Description
Parameters affecting hydrogen content of concrete are discussed. Method is described to compute water content of concrete depending on mix proportions, age, size and exposure conditions of concrete. Sample calculations are given, and values of the water content of concrete members under various climatic conditions are tabulated. (Author).
Author: H. Hilsdorf
Publisher:
ISBN:
Category :
Languages : en
Pages : 116
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Book Description
Parameters affecting hydrogen content of concrete are discussed. Method is described to compute water content of concrete depending on mix proportions, age, size and exposure conditions of concrete. Sample calculations are given, and values of the water content of concrete members under various climatic conditions are tabulated. (Author).
Author: Edward F. O'Neil
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 78
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Book Description
Author: Adam M. Neville
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 288
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Book Description
Author: Treval Clifford Powers
Publisher:
ISBN:
Category : Paste
Languages : en
Pages : 17
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Book Description
Author: Kenneth C. Hover
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 704
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Book Description
Author: E. E. McCoy (Jr.)
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 80
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Book Description
Author: James S. Blackman
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 20
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Book Description
Author: Gudmundur Svavar Bodvarsson
Publisher:
ISBN:
Category :
Languages : en
Pages : 146
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Book Description
Author: Carl A. Menzel
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 36
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Author: E. R. Yaltkaya
Publisher:
ISBN:
Category : Nondestructive testing
Languages : en
Pages : 8
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Book Description
This paper describes a method to estimate the cement content of hardened concrete specimens based on the determination of the water content of ovendried powdered concrete specimens by neutron scattering. The cement content could be computed on the assumption that the percentage of water of hydration is approximately constant for all cements. To justify this assumption, a systematic investigation of hydration value was carried out with cement specimens of various Turkish origin. The method involved dehydration of the hydrated cement specimens at 100 C in an atmosphere of oxygen and absorbing water in calcium chloride. A value of 14.1 was found for the mean percentage of hydration water with a standard deviation of 0.5. Because it is impossible to eliminate capillary water in situ--a requirement for adapting this technique to a nondestructive method--attempts were made to estimate this water by measuring electrical conductance of concrete. The over-all water content, that is, capillary water plus hydration water, is determined by neutron scattering, and the hydration water content is found by substraction. The cement content is then calculated from the mean hydration value of cement.
