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Job ID: 127049

Seeking qualified Ph.D. students in measurement and control of rheology of cementitious suspension
University of California, Los Angeles

Date Posted Aug. 10, 2019
Title Seeking qualified Ph.D. students in measurement and control of rheology of cementitious suspension
University University of California, Los Angeles
Los Angeles, CA, United States
Department Department of Civil and Environmental Engineering
Application Deadline Open until filled
Position Start Date Available immediately
  • Graduate Student
  • Polymer Science
    Civil Engineering
    Architectural (Building & Construction)

August 10, 2019
Subject: Seeking qualified candidates for graduate (Ph.D.) positions in measurement and control of the rheology of dense cementitious suspensions tailored for 3D-printability

The Laboratory for the Chemistry of Construction Materials (LC2) in the Department of Civil and Environmental Engineering is seeking two graduate students for a Ph.D. position starting in January 2020. Special emphasis is placed on recruiting candidates with an M.S. in materials science/engineering, polymer engineering, civil engineering or a closely related discipline with expertise in the rheological characterization of dense reacting suspensions (e.g., 3D-printable cementitious suspensions) with a capacity for world-class research that is reflected in a strong publication record.

The successful candidate will work on understanding how chemical additives and interparticle interactions affect the rheology of dense suspensions. Special focus will be placed on time-dependent analysis of simple and complex rheological behavior, including aspects of suspension stability and viscoelasticity (e.g., thixotropic rebuilding). Emphasis will be placed on understanding how the rheology of suspensions can be manipulated for layer-wise printability in terms of extrudability, shape stability, and interlayer bonding. For reference, applicants are referred to sample publications including:
1) Okoronkwo, M.U., Falzone, G., Wada, A., Franke, W., Neithalath, N., Sant, G., "Rheology-based protocol to establish admixture compatibility in dense cementitious suspensions", Journal of Materials in Civil Engineering, 30(7), p.04018122, (2018)
2) Ketel, S., Falzone, G., Wang, B., Washburn, N., Sant, G., "A printability index for linking slurry rheology to the geometrical attributes of 3D-printed components", Cement and Concrete Composites, (2018, in press)
3) Sant, G., Ferraris, C.F., Weiss, J., "Rheological properties of cement pastes: a discussion of structure formation and mechanical property development", Cement and Concrete Research, 38(11), pp.1286-1296, (2018)
4) Nair, S. A., Alghamdi, H., Arora, A., Mehdipour, I., Sant, G., Neithalath, N., "Linking fresh paste microstructure, rheology and extrusion characteristics of cementitious binders for 3D printing", Journal of the American Ceramic Society.

For full consideration, the applicant is expected to possess the following qualifications: (a) an M.S. from a reputable university in a topic of relevance (see above) and an interest in pursuing a research career, (b) a fundamental understanding of suspension rheology, particles-polymer interactions, and cement-based materials, and, interest in working in a fast-paced, collaborative research environment. The applicant will collaborate with other researchers with expertise in the formulation and characterization of cementitious materials, and the relationship between their rheology and printability.

Applicants with relevant experience will be given special preference. The successful candidate will be expected to take personal initiative to structure tasks to meet project functions and author novel publications. The candidate is expected to meet programmed project goals, and can respond to deliverable timelines as are typical in "academia-industry" collaborative research.

If you meet the above requirements and are interested in this position, please provide the following documents (as PDFs) to the contact noted below: (1) a detailed resume, (2) a short personal statement explaining your scientific and research interests, and (3) contact information for three referees in support of your application.


Prof. Gaurav N. Sant
Professor and Henry Samueli Fellow
Department of Civil and Environmental Engineering
University of California, Los Angeles, CA 90095
Director, Institute for Carbon Management

Please reference in your cover letter when
applying for or inquiring about this job announcement.

Contact Information

  • Prof. Gaurav N. Sant
    Department of Civil and Environmental Engineering
    University of California, Los Angeles


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