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Filtering by: Subject Concrete -- Analysis

Early age performance of latex-modified concrete bridge deck overlays

Creator:

Sujjavanich, Suvimol

Abstract:

Environmental factors and physical properties of latex modified concrete (LMC) are hypothesized to contribute to early age cracking in bridge deck overlays. Cracking permits the ingress of moisture and aggressive solutions into the substrate and may contribute to other subsequent distresses. Understanding the material properties and mechanisms involved is necessary...

Resource Type:

Dissertation
Analytical methods for the study of migration of chloride ions in reinforced concrete under cathodic protection

Creator:

Orlova, Nadejda V.

Abstract:

The migration of chloride ions in concrete with steel reinforcement under cathodic protection was investigated. Mortar blocks (15 cm x 15 cm x 17 cm) of various composition (water to cement ratio, chloride ion content) were cast with an iron mesh cathode embedded along one face and a thermally sprayed...

Resource Type:

Masters Thesis
Research to determine source efficiences (E[subscript s]) for scrabbled and rough concrete surfaces

Creator:

Bak, Michael T.

Abstract:

The Multi-Agency Radiation Survey and Site Investigation Manual (MARSSIM) requires that Final Status Surveys be performed on materials and surfaces that vary in surface smoothness and/or uniformity. To obtain accurate survey data, it may be necessary to adjust detector response for these surface variations. NUREG-1507 refers to such surface efficiency...

Resource Type:

Masters Thesis