Showing papers in "Canadian Geotechnical Journal in 2019"
TL;DR: In this paper, Microbially induced calcite precipitation (MICP) is proposed as an innovative soil impounding method for calcite removal in calcite-rich soils. But, MICP is difficult to apply in many practical projects.
Abstract: Calcareous sands are known as problematic soils in nature and challenge geotechnical engineers in many practical projects. Microbially induced calcite precipitation (MICP) is an innovative soil imp...
120 citations
TL;DR: Microbial-induced calcium carbonate precipitation (MICP) as mentioned in this paper represents a promising approach to improve the geotechnical engineering properties of soils through the precipitation of calcium carbonates (CAR).
Abstract: Microbial-induced calcium carbonate precipitation (MICP) represents a promising approach to improve the geotechnical engineering properties of soils through the precipitation of calcium carbonate (...
110 citations
TL;DR: In this paper, bio-derived stabilization of sand-only or sand-plus-silt soils using an extracted bacterial enzyme application to achieve induced calcite precipitation (ICP) was examined.
Abstract: This paper examines the bio-derived stabilization of sand-only or sand-plus-silt soils using an extracted bacterial enzyme application to achieve induced calcite precipitation (ICP). As compared to...
81 citations
TL;DR: In this paper, the authors studied the mechanics of the landslide runout process and found that long runout landslides can cause significant damage and represent one of the most important problems in geotechnical engineering.
Abstract: Long runout landslides can cause significant damage and represent one of the most important problems in geotechnical engineering. Understanding the mechanics of the landslide runout process is impo...
69 citations
TL;DR: The cone penetration test (CPT) has been widely used to determine the soil stratigraphy (including the number N and thickness HN of soil layers) during geotechnical site investigation.
Abstract: The cone penetration test (CPT) has been widely used to determine the soil stratigraphy (including the number N and thicknesses HN of soil layers) during geotechnical site investigation because it
66 citations
TL;DR: In this paper, a full-scale model investigation on variations of soil stress in a geosynthetic-reinforced pile-supported track bed at various water levels and loading cycles is presented.
Abstract: This study presents a full-scale model investigation on variations of soil stress in a geosynthetic-reinforced pile-supported track bed at various water levels and loading cycles, with four testing...
51 citations
TL;DR: Lightweight flexible steel net barriers catch coarse debris, but let some of the fine material and water pass through the net as mentioned in this paper, and they are difficult to design so that they can withstand the impact of impact.
Abstract: Light-weight flexible steel net barriers catch coarse debris, but let some of the fine material and water pass through the net. They are difficult to design so that they can withstand the impact pr...
48 citations
TL;DR: Many cases of artificial soft clay foundation constructed by hydraulic filling and improved by the vacuum preloading show the clogging phenomenon in the surrounding soil, which compromises the impr... as discussed by the authors...
Abstract: Many cases of artificial soft clay foundation constructed by hydraulic filling and improved by the vacuum preloading show the clogging phenomenon in the surrounding soil, which compromises the impr...
47 citations
TL;DR: In this paper, the interaction between the helices of a multi-helix anchor in terms of the mobilized drained capacity response in tension is examined, and the results are made on the basis of centrifuge tests.
Abstract: This note examines the interaction between the helices of a multi-helix anchor in terms of the mobilized drained capacity response in tension. Assessments are made on the basis of centrifuge tests ...
44 citations
TL;DR: Biopolymer-soil technology is currently recognized as an environmentally friendly soil improvement method for geotechnical engineering practices as discussed by the authors, however, concerns exist regarding biopolymer fine-s...
Abstract: Biopolymer–soil technology is currently recognized as an environmentally friendly soil improvement method for geotechnical engineering practices. However, concerns exist regarding biopolymer fine-s...
43 citations
TL;DR: This article presented a field-scale simulation of the Hongshiyan landslide in China using an advanced numerical approach (material point method (MPM)) and a constitutive model (the Drucker-Prager model).
Abstract: This study presents a field-scale simulation of the Hongshiyan landslide in China. It uses an advanced numerical approach (material point method (MPM)) and a constitutive model (the Drucker–Prager ...
TL;DR: In this paper, the authors proposed a model that could capture both the effects of root growth and saturated permeability on the soil water retention curve (SWRC) of vegetated soils.
Abstract: Plant roots can change the soil water retention curve (SWRC) and saturated permeability (ksat) of vegetated soils. However, there is no model that could capture both the effects of root growth and ...
TL;DR: In this article, a damage plasticity model that considers the brittle failure of rigid piles was proposed to improve soft clay for the rapid construction of embankments, and the model was applied to concrete piles.
Abstract: Rigid piles (e.g., concrete piles) have been widely used to improve soft clay for the rapid construction of embankments. In this study, a damage plasticity model that considers the brittle failure ...
TL;DR: In this article, site characterization is indispensable in geotechnical engineering practice, and measurements on soil properties are performed through in situ tests, laboratory tests or other methods, however, due to due...
Abstract: Site characterization is indispensable in geotechnical engineering practice, and measurements on soil properties are performed through in situ tests, laboratory tests or other methods. However, due...
TL;DR: In this paper, the authors present an analysis of the risk of failure of tailings dams due to liquefaction, and present a risk analysis based on the existing analysis of liquidation in tailings.
Abstract: Safety problems have concerned many researchers studying tailings dams in recent years, as they have a high risk of failure due to liquefaction. Existing analysis of liquefaction in tailings within...
TL;DR: In this paper, the authors assess the bearing capacity of foundations adjacent to slopes and find that the ultimate bearing capacity is highly dependent on the slope geometry and soil properties, and that seismic loading may impact both the cri...
Abstract: Assessment of the ultimate bearing capacity of foundations adjacent to slopes is complex as it is highly dependent on the slope geometry and soil properties. Seismic loading may impact both the cri...
TL;DR: A novel perspective to understanding the spatial and statistical patterns of a cone penetration dataset and identifying soil stratification using these patterns is presented.
Abstract: This paper presents a novel perspective to understanding the spatial and statistical patterns of a cone penetration dataset and identifying soil stratification using these patterns. Both local cons...
TL;DR: In this article, the authors proposed a method to mitigate landslide risks arising from boulder falls and debris flows using rigid and flexible barriers, but this method is a complicated process, so current design methods...
Abstract: Landslide risks arising from boulder falls and debris flows are commonly mitigated using rigid and flexible barriers. Debris–barrier interaction is a complicated process, so current design methods ...
TL;DR: The double-velocity symmetrical superposition method (DVSSM) as mentioned in this paper consists of superimposing and averaging two synchronization signals measured at two symmetrical points of the neutral plane of fl...
Abstract: The double-velocity symmetrical superposition method (DVSSM), which consists of superimposing and averaging two synchronization signals measured at two symmetrical points of the neutral plane of fl...
TL;DR: In this paper, the effects of spatially variable anisotropic soil fabric patterns are investigated, and the authors investigate the effect of soil deposition, weathering, or filling on the fabric pattern.
Abstract: Natural soils often exhibit an anisotropic fabric pattern as a result of soil deposition, weathering or filling. This study aims to investigate the effects of spatially variable anisotropic soil fa...
TL;DR: In this paper, tetrapod piled jacket (TPJ) foundations have shown considerable promise in offshore developments, due to the increases in power capacity and water depth for offshore wind turbines.
Abstract: Recently, tetrapod piled jacket (TPJ) foundations have shown considerable promise in offshore developments, due to the increases in power capacity and water depth for offshore wind turbines. This p...
TL;DR: The impact and pileup mechanisms of unsteady granular flows impacting a rigid barrier are governed by the Froude conditions as mentioned in this paper, where velocity and depth vary along the length of the flow.
Abstract: The impact and pileup mechanisms of unsteady granular flows impacting a rigid barrier are governed by the Froude conditions (Fr). Velocity and depth vary along the length of the flow. There is curr...
TL;DR: In this article, reliability-based design for tensile rupture and pullout limit states for mechanically stabilized earth (MSE) walls constructed with geosynthetic (geogrid) reinforcement is presented.
Abstract: This paper demonstrates reliability-based design for tensile rupture and pullout limit states for mechanically stabilized earth (MSE) walls constructed with geosynthetic (geogrid) reinforcement. Th...
TL;DR: In this article, the use of plants and recycled wastes in geotechnical construction such as landfill covers is recommended to promote environmental protection and sustainability, and a landfill cover field test is conducted.
Abstract: To promote environmental protection and sustainability, the use of plants and recycled wastes in geotechnical construction such as landfill covers is recommended. A landfill cover field test was co...
TL;DR: In this paper, the vertical effective stress along piles is an essential part of calculation of both pile axial and lateral capacities under scour conditions, and the current design manuals incl...
Abstract: Determination of vertical effective stress along piles is an essential part of calculation of both pile axial and lateral capacities under scour conditions. However, the current design manuals incl...
TL;DR: The construction of an underground opening leads to changes in the in situ stress regime surrounding the excavation, and the opening influences the rock mass owing to the redistribution of the stresses.
Abstract: The construction of an underground opening leads to changes in the in situ stress regime surrounding the excavation. The opening influences the rock mass owing to the redistribution of the stresses...
TL;DR: In this paper, an approach that utilizes field measurements to update the parameters characterizing spatial variability of soil properties and model bias, leading to refined predictions for soil properties, is presented.
Abstract: This paper introduces an approach that utilizes field measurements to update the parameters characterizing spatial variability of soil properties and model bias, leading to refined predictions for ...
TL;DR: In this paper, the authors consider the economic and economic impact of river sludge and its treatment in the context of river dredging, which is characterized by high water content, high fluidity, and high heavy metal content.
Abstract: Sludge is an inevitable product of river dredging and is characterized by a high water content, high fluidity, and high heavy metal content. Its treatment requires consideration of the economic and...
TL;DR: In this paper, a semi-analytical solution for the drained cylindrical cavity expansion problem using the well-known anisotropic modified Cam clay model proposed by Dafalias in 1987 is presented.
Abstract: This paper presents a semi-analytical solution for the drained cylindrical cavity expansion problem using the well-known anisotropic modified Cam clay model proposed by Dafalias in 1987. The promin...
TL;DR: In this paper, a dynamic finite element based finite element (FE) method was proposed to explain large-scale landslides in sensitive clays, which cannot be explained properly using the traditional limit equilibrium or Lagrangian-based finite element methods.
Abstract: Large-scale landslides in sensitive clays cannot be explained properly using the traditional limit equilibrium or Lagrangian-based finite-element (FE) methods. In the present study, dynamic FE anal...