Scott Muzenski
University of Wisconsin–Milwaukee
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Publication
Featured researches published by Scott Muzenski.
International Conference on the Durability of Concrete Structures | 2014
Scott Muzenski; Ismael Flores-Vivian; Konstantin Sobolev
Freezing and thawing of water in saturated concrete induces stresses, cracks, spalling, and eventually allows chlorides, sulphates and other ions to penetrate through the porous space of concrete causing the corrosion and ultimately structural failure. These detrimental factors are limited if concrete has the ability to repel water. Water repellant concrete was achieved through internal and external surface applications. Hydrophobicity, overand super-hydrophobicity are demonstrated by the ability of a surface to repel water and are characterized by contact angles. In cementitious composites internal hydrophobization can be achieved through the addition of superhydrophobic admixtures to fresh concrete resulting in an air void system with small, well-dispersed air bubbles to provide superior resistance to freezing and thawing. Hydrophobic, overand super-hydrophobic surface coatings were achieved by the design of hierarchical surfaces tailoring the fiber content, mixture proportion, and superhydrophobic emulsions. Contact angle tests were used to characterize the developed coatings. The use of internal hydrophobization improves freezing and thawing resistance of fiber-reinforced composites as demonstrated by a durability factor of 100 through as many as 700 accelerated (-50°C to 20°C) cycles in 5% NaCl solution.
Archive | 2015
Scott Muzenski; Ismael Flores-Vivian; Marina Kozhukhova; Sunil Rao; Michael Nosonovsky; Konstantin Sobolev
The use of superhydrophobicity and overhydrophobicity in cementitious materials can lead to improved durability performance. Ingress of water with dissolved chemicals can have detrimental effects on the performance of cementitious materials. Additionally, reducing the amount of water and ice on concrete surfaces can improve the reduction of scaling, thereby preserving the pore system and integrity of concrete. The hydrophobic, overhydrophobic, and superhydrophobic surfaces can be realized by using particle deposition and siloxane coatings. Thin layers of such water repellant material can create a strong barrier to water. Another method to improve the durability of concrete is based on the addition of superhydrophobic admixtures of polymethyl hydrosiloxane emulsions and nano particles. These admixtures can produce a 3-dimensional volume hydrophobization by releasing hydrogen in alkali environments enabling the formation of air voids throughout a cementitious matrix. The walls of these voids are then coated with varying size particles producing the surface roughness required for superhydrophobicity. This paper compares different approaches and benefits of superhydrophobic concrete and discusses the improved durability properties and the future applications.
Cement & Concrete Composites | 2015
Scott Muzenski; Ismael Flores-Vivian; Konstantin Sobolev
Construction and Building Materials | 2015
Scott Muzenski; Ismael Flores-Vivian; Konstantin Sobolev
Archive | 2013
Konstantin Sobolev; Michael Nosonovsky; Tom Krupenkin; Ismael Flores-Vivian; Sunil Rao; Marina Kozhukhova; Vahid Hejazi; Scott Muzenski; Brandon Bosch; Rossana Rivero
Archive | 2015
Konstantin Sobolev; Mohamadreza Moini; Steve Cramer; Ismael Flores-Vivian; Scott Muzenski; Rani Pradoto; Ahmed Fahim; Le Pham; Marina Kozhukhova
Archive | 2013
Konstantin Sobolev; Habib Tabatabai; Jian Zhao; Michael G Oliva; Ismael Flores-Vivian; Rossana Rivero; Scott Muzenski; Rehan Rauf
Ninth International Conference on Creep, Shrinkage, and Durability Mechanics (CONCREEP-9) | 2013
Scott Muzenski; Ismael Flores-Vivian; Konstantin Sobolev
Transportation Research Board 93rd Annual MeetingTransportation Research Board | 2014
Scott Muzenski; Ismael Flores-Vivian; Mengesha A Beyene; Konstantin Sobolev
Archive | 2013
Konstantin Sobolev; Habib Tabatabai; Jian Zhao; Ismael Flores-Vivian; Scott Muzenski; Michael G Oliva; Jeffryd Rose