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A study of the heat treating cycle for internally sealed concrete containing montan-paraffin wax beads

Geishauser, C.B. / Cady, P.D.

AbstractCylindrical concrete specimens, with 2 ft. ³/yd.³ (0.074 m³/m³) of fine aggregate replaced by montan-paraffin wax beads, were placed in a heating chamber designed to heat only their top surface. The heating cycle was varied to determine the optimum for the equipment used. After cooling, the specimens were cut longitudinally and subjected to an acid etching process to determine the depth of sealing. The maximum allowable surface temperature was found to be 425° F. (218° C.) if the deterioration of the wax due to heating was to be limited to a depth of $132$ in. (0.8 mm.). The maximum depth of complete sealing was $1−1 16$ in. (27 mm.). No significant reduction in the total duration of the heat treating process was found.

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A study of the heat treating cycle for internally sealed concrete containing montan-paraffin wax beads

Geishauser, C.B. / Cady, P.D.

AbstractCylindrical concrete specimens, with 2 ft. ³/yd.³ (0.074 m³/m³) of fine aggregate replaced by montan-paraffin wax beads, were placed in a heating chamber designed to heat only their top surface. The heating cycle was varied to determine the optimum for the equipment used. After cooling, the specimens were cut longitudinally and subjected to an acid etching process to determine the depth of sealing. The maximum allowable surface temperature was found to be 425° F. (218° C.) if the deterioration of the wax due to heating was to be limited to a depth of $132$ in. (0.8 mm.). The maximum depth of complete sealing was $1−1 16$ in. (27 mm.). No significant reduction in the total duration of the heat treating process was found.

A study of the heat treating cycle for internally sealed concrete containing montan-paraffin wax beads

Geishauser, C.B. / Cady, P.D.

AbstractCylindrical concrete specimens, with 2 ft. ³/yd.³ (0.074 m³/m³) of fine aggregate replaced by montan-paraffin wax beads, were placed in a heating chamber designed to heat only their top surface. The heating cycle was varied to determine the optimum for the equipment used. After cooling, the specimens were cut longitudinally and subjected to an acid etching process to determine the depth of sealing. The maximum allowable surface temperature was found to be 425° F. (218° C.) if the deterioration of the wax due to heating was to be limited to a depth of $132$ in. (0.8 mm.). The maximum depth of complete sealing was $1−1 16$ in. (27 mm.). No significant reduction in the total duration of the heat treating process was found.

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Title:

A study of the heat treating cycle for internally sealed concrete containing montan-paraffin wax beads

Contributors:

Geishauser, C.B. (author) / Cady, P.D. (author)

Published in:

Cement and Concrete Research ; 7 ; 85-93

Publication date:

1976-11-01

Size:

9 pages

ISSN:

DOI:

https://doi.org/10.1016/0008-8846(77)90012-6

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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