2021
DOI: 10.1016/j.enggeo.2021.106167
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A new approach to evaluation of loess collapsibility based on quantitative analyses of colloid-clay coating with statistical methods

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Cited by 18 publications
(7 citation statements)
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“…In a recent study, Zheng, Li, Wang, Li, Shi and Bi [34] proposed the core-coating concept in loess. However, aggregation patterns in moraine soil differ signi cantly from those in loess.…”
Section: Aggregation Phenomena and Modelsmentioning
confidence: 99%
See 1 more Smart Citation
“…In a recent study, Zheng, Li, Wang, Li, Shi and Bi [34] proposed the core-coating concept in loess. However, aggregation patterns in moraine soil differ signi cantly from those in loess.…”
Section: Aggregation Phenomena and Modelsmentioning
confidence: 99%
“…Complicated geological depositional processes can cause the precipitation of soluble salts, forming calcium carbonate and clay minerals that can cement and aggregate particles, especially in wellconsolidated soils. For instance, Zheng, Li, Wang, Li, Shi and Bi [34] concluded that aggregation happens in loess and proposed the "core-coating" concept. Some pretreatments, such as water distillation, the use of dispersants ((NaPO 3 ) 6 , H 2 O 2 , HCl chemicals, etc.…”
Section: Introductionmentioning
confidence: 99%
“…Additionally, the pores and structure of clay minerals are damaged by water swelling, collapsibility, and the water lock effect caused by water sensitivity. Specifically, the hydration and expansion of clay minerals may produce particle migration, which lead to the decline of reservoir porosity and permeability, and irreversible damage to the pore system of reservoir. Collapsibility may lead to pore throat blockage, and poor porosity and permeability. Also, the water lock effect caused by the increase of reservoir water saturation reduces the reservoir permeability. , In addition, it is not conducive to the formation and distribution of three-dimensional fracture networks in the reservoir fracturing process. The interaction mechanism between water and clay minerals is extremely complex. So far, the damage mechanism of clay pore structure and the control mechanism of competitive adsorption of water and CH 4 have not been determined.…”
Section: Influence Of Clay Content On Ch4 Adsorption Capacity In a Sh...mentioning
confidence: 99%
“…Loess, widely distributed in the Loess Plateau in Western China [1,2], forms as winddeposited sediment under the arid and semi-arid climatic conditions of the Quaternary period [3][4][5]. Grain-size analysis indicates that the grain-size fraction of loess ranges from 0.02 to 0.05 mm.…”
Section: Introductionmentioning
confidence: 99%