Výsledky vyhledávání - "Derick G. Brown"

Shear and Tensile Strength Measurements of CaCO3 Cemented Bonds between Glass Beads Treated by Microbially Induced Carbonate Precipitation

Autor: Kewei Gao, Hai Lin, Muhannad T. Suleiman, Pierre Bick, Tomas Babuska, Xiwei Li, Jeffrey Helm, Derick G. Brown, Nabil Zouari

Publikováno v: Journal of Geotechnical and Geoenvironmental Engineering. 149

The particle-scale shear and tensile strength measurements of microbial-induced calcite precipitation (MICP) treatment have been investigated in this paper. Glass beads were used to represent sand particles. Three particle-scale test setups were deve

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0027ca9a50cac490d49a32fe8384b04a
https://doi.org/10.1061/(asce)gt.1943-5606.0002927

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Investigation of pore-scale CaCO3 distributions and their effects on stiffness and permeability of sands treated by microbially induced carbonate precipitation (MICP)

Autor: Muhannad T. Suleiman, Hai Lin, Derick G. Brown

Publikováno v: Soils and Foundations. 60:944-961

Physical properties of MICP-treated sands are controlled by CaCO3 distributions in pore space, which remain relatively unexplored. CaCO3 can deposit at the particles’ contact area (contact-cementing), coat sand particles (grain-coating), or create

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::81d4270e946dc8c182828a4b34c6a11a
https://doi.org/10.1016/j.sandf.2020.07.003

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Effects of Enzyme and Microbially Induced Carbonate Precipitation Treatments on the Response of Axially Loaded Pervious Concrete Piles

Autor: Muhannad T. Suleiman, Edward Kavazanjian, Sean T. O’Donnell, Hai Lin, Derick G. Brown

Publikováno v: Journal of Geotechnical and Geoenvironmental Engineering. 147

EICP (enzyme induced carbonate precipitation) and MICP (microbially induced carbonate precipitation) treatments were applied through pervious concrete model piles to cement soil around the ...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a75c3be8136b8a531e0872ba1b419107
https://doi.org/10.1061/(asce)gt.1943-5606.0002565

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Bio-grouting to enhance axial pull-out response of pervious concrete ground improvement piles

Autor: Hai Lin, Hanna Moussa Jabbour, Muhannad T. Suleiman, Derick G. Brown

Publikováno v: Canadian Geotechnical Journal. 55:119-130

Bio-grouting is an environmentallly friendly, sustainable, and low-cost ground improvement technique, which mainly utilizes microbial-induced carbonate precipitation. Previous large-scale applications of MICP have encountered practical difficulties i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ecc4cbe47c59b83d418ce706182f0b0
https://doi.org/10.1139/cgj-2016-0438

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In-Situ Stability Control of Energy-Producing Anaerobic Biological Reactors through Novel Use of Ion Exchange Fibers

Autor: Derick G. Brown, Arup K. SenGupta, Yu Tian

Publikováno v: ACS Sustainable Chemistry & Engineering. 5:9380-9389

Anaerobic biological treatment of high-strength organic industrial wastes is preferred over aerobic treatment as it produces a methane-rich biogas, has much lower energy requirements, and produces significantly less biosolids. Process stability and r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0077a0e25e1d0432a732400172793d26
https://doi.org/10.1021/acssuschemeng.7b02435

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Rapid Characterization and Modeling of Natural and Undefined Charge-Regulated Surfaces in Aqueous Systems

Autor: Hankai Zhu, Lynal S. Albert, John T. Fox, Derick G. Brown

Publikováno v: Langmuir : the ACS journal of surfaces and colloids. 35(43)

The surfaces of most materials in aqueous systems are charged due to the ionization of surface functional groups. When these surfaces interact, the surface charge, electrostatic potential, and pH will vary as a function of separation distance, and th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42f4dab0f098de6a5c5dd77fe33dc1a5
https://pubmed.ncbi.nlm.nih.gov/31584831

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Minimizing Wind Erosion Using Microbial Induced Carbonate Precipitation

Autor: Muhannad T. Suleiman, Hridaya Bastola, Nabil Zouari, Pierre Bick, Jianbo Gu, Derick G. Brown, Panayiotis Diplas

Publikováno v: Geo-Congress 2019.

This research focuses on investigating the effectiveness of microbial-induced carbonate precipitation (MICP) to reduce the potential for wind erosion. This paper summarizes the results of preliminary wind tunnel experiments. Wind tunnel experiments w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a97e7b501e81587a2fe434f0ca5b009
https://doi.org/10.1061/9780784482117.022

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