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An experimental study for evaluation of collapsible loess roadbed replacement method using lightweight soil
Water is one of the most significant variables that contribute to loess collapse, hence in collapsible loess areas, stringent waterproofing measures...
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Mechanical behavior and microstructure evolution of Malan loess under dynamic compaction
Dynamic compaction is a common foundation treatment method for loess and it is significant to understand the mechanical behavior of loess after...
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Effects of rainwater infiltration in low impact development facilities on adjacent municipal roads in collapsible loess
The effective and reasonable construction of the low impact development (LID) facilities in loess area depends on the functionality of typical LID...
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Variations of suction and suction stress of unsaturated loess due to changes in lignin content and sample preparation method
Unsaturated loess in natural sites loses stability as the overburden load continuously increases. Traditional soil modifiers such as cement and fly...
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Dynamic properties and environmental impact of waste red mud-treated loess under adverse conditions
Under the combination of heavy loading and high moisture content, the metastable structure of natural loess can easily lead to uneven settlement and...
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Freeze-thaw resistance of eco-material stabilized loess
In the Loess Plateau in Northern China, repeated freeze-thaw (FT) cycles deteriorate the strength and structure of loess as a foundation soil,...
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Experimental study and numerical simulation on effectiveness of different capillary barriers in silt low subgrade
In silt low subgrade, capillary effect is an important factor inducing site erosion and collapse, and it is necessary to control the rise of...
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Inversion analysis of the shear strength parameters for a high loess slope in the limit state
It is difficult to obtain reliable shear strength parameters for the stability analysis and evaluation of high loess slopes. Hence, this paper...
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Experimental study of the microstructure of loess on its macroscopic geotechnical properties of the Baozhong railway subgrade in Ningxia, China
Loess is found all over the world, accounting for about 10 % of the world’s total land area. This soil exhibits a distinctive behavior that is...
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Selection Design and Parameter Optimization of Composite Foundations in Collapsible Loess Areas
With the rapid development of railway construction in China, the role of passenger railway lines is becoming increasingly prominent. The construction...
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Performance of High Speed Railway Subgrade Strengthened by Long-Short Piles: Part II—Numerical Modelling
The Yinxi Railway is located in the western region of China. As a high speed railway line connecting Yinchuan-**’an, which is of great significance...
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Engineering properties of loess stabilized by a type of eco-material, calcium lignosulfonate
The chemical stabilization, an important method to stabilize soil foundations, can consolidate the soil particles and raise the strength by chemical...
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Experiment on the frost resistance of Modified Phospho Gypsum: A case used to Improve Baozhong Railway Subgrade loess
It has been widely recognized that loess has a low stability and permeability, and it is susceptible to a sudden decrease in total volume or collapse...
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Microanisotropy and preferred orientation of grains and aggregates (POGA) of the Malan loess in Yan’an, China: a profile study
It is well known that the microfabric formed by the shape, size, and preferred orientation of grains and aggregates (POGA) is the primary cause of...
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Performance of High Speed Railway Subgrade Strengthened by Long-Short Piles—Part I: Experimental Results
The Yinxi Railway is located in the western region of China. As a high speed railway line connecting Yinchuan-**'an, it is of great significance for...
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Wireless remote spatiotemporal monitoring of high-fill foundation deformation
The spatial and temporal deformation patterns and deformation control indicators of high-fill foundations directly affect the design, construction...
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Evaluating the heating performance of a novel heating two-phase closed thermosyphon (HTPCT) in high-speed railway embankments of seasonally frozen regions
Frost heave is still a common problem in high-speed railway (HSR) operation during cold seasons. How to effectively alleviate the frozen depth to...
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Experimental Study on Rainwater Erosion and Infiltration of Eco-Protection with PVC Pipes
In this paper, a technology of ecological slope protection with polyvinyl chloride (PVC) pipe is introduced to improve the slopes’ erosion...
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Mechanical behaviors of warm and ice-rich frozen soil stabilized with sulphoaluminate cement
The warm and ice-rich frozen soil is characterized by high unfrozen water content, low shear strength and large compressibility, which is unreliable...
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Dynamic response characteristics of a circular lined tunnel under anisotropy frost heave of overlying soil at the tunnel portal section in cold regions
The rapid development of traffic engineering in cold regions and its consequent problems need to be considered. In this paper, the dynamic response...