Investigation of pore-scale CaCO3 distributions and their effects on stiffness and permeability of sands treated by microbially induced carbonate precipitation (MICP)
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In this article, the authors determined the dominant CaCO3 distributions in pore space and investigated the effects of these distributions on the small-strain stiffness (measured by S-and P-wave velocities) and permeability of MICP-treated sands.About:
This article is published in Soils and Foundations.The article was published on 2020-08-01 and is currently open access. It has received 48 citations till now. The article focuses on the topics: Permeability (earth sciences).read more
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Simulation of Fluid Flow Through a Granular Bed
TL;DR: In this paper, the dispersion coefficients of a fluid through random packing of non-overlapping spheres in a cylindrical geometry are investigated and the results compare to the previous work (Soleymani et al., 2002).
Journal ArticleDOI
Liquefaction Modeling for Biocemented Calcareous Sand
TL;DR: A thermodynamics-based constitutive model was developed for calcareous sand treated by microbially induced calcite precipitation (MICP) to describe the effects of biocementation and its degr... as discussed by the authors.
Journal ArticleDOI
3D DEM modeling of biocemented sand with fines as cementing agents
TL;DR: In this paper , a 3D DEM modeling scheme was proposed by using coarse particles to represent sand grains and fines as cementing agents, to reproduce the various precipitation patterns in MICP-treated sand.
Journal ArticleDOI
Effect of different fibers on small-strain dynamic properties of microbially induced calcite precipitation–fiber combined reinforced calcareous sand
TL;DR: In this paper , the effects of different polyester fiber and hemp fiber contents on the dynamic properties of MICP-fiber combined reinforced calcareous sand under small-strain conditions were studied using resonant column tests, scanning electron microscopy, and atomic force microscopy (AFM).
Journal ArticleDOI
Bio-cement-modified construction materials and their performances.
Xiaoniu Yu,Zhihai He,Xianyan Li +2 more
TL;DR: In this paper, the elemental composition and chemical composition of the precipitates produced by the MICP and MISP processes are analyzed by energy dispersive X-ray spectroscopy (EDS) and powder x-ray diffraction analysis (XRD).
References
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The Elastic Behaviour of a Crystalline Aggregate
TL;DR: The connection between the elastic behavior of an aggregate and a single crystal is considered in this article, with special reference to the theories of Voigt, Reuss, and Huber and Schmid.
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A variational approach to the theory of the elastic behaviour of multiphase materials
Zvi Hashin,S. Shtrikman +1 more
TL;DR: In this paper, the authors derived upper and lower bounds for the effective elastic moduli of quasi-isotropic and quasi-homogeneous multiphase materials of arbitrary phase geometry.
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GRADISTAT: a grain size distribution and statistics package for the analysis of unconsolidated sediments
Simon J. Blott,Kenneth Pye +1 more
TL;DR: GRADISTAT as discussed by the authors is a computer program for the rapid analysis of grain size statistics from any of the standard measuring techniques, such as sieving and laser granulometry.
Fundamentals of soil behavior
TL;DR: In this paper, the authors developed an understanding of the factors determining and controlling the engineering properties of soil, the factors controlling their magnitude, and the influences of environment and time, and developed a two-part book which contains the following chapters: Part 1 - the nature of soils; bonding, crystal structure and surface characteristics; soil mineralogy; soil formation and soil deposits; determination of soil composition; soil water; clay-water-electrolyte system; soil fabric and its measurement; Part 2 - soil behavior; soil composition and engineering properties; effective, intergranular
Book
Fundamentals of soil behavior
TL;DR: In this paper, the authors present an overview of the history of the field of geotechnical engineering with a focus on soil formation and its application in the area of chemical engineering.