2022
DOI: 10.1007/s00603-022-02833-8
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Mechanical Properties and Deterioration Mechanism of Remolded Carbonaceous Mudstone Exposed to Wetting–Drying Cycles

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Cited by 12 publications
(3 citation statements)
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“…During the immersion process, it was found that the color of the distilled water mixture gradually turned pale yellow after immersion, which was speculated to be caused by the loss of the water-rock chemical reaction from illite and illite-smectite mixed-layer minerals to distilled water [32]. This phenomenon caused the disintegration of illite and illite-smectite mixed-layer minerals, a loss of connection between clay particles or between clay particles and noncritical cements [37], the expansion of noncritical cements and an increase in noncritical cement pores [29]. Under the action of wetting-drying cycles, the clay particles repeatedly underwent expansion-contraction or even disintegration (the process mechanism is shown in Figure 13), until they detached from the cement.…”
Section: Discussionmentioning
confidence: 99%
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“…During the immersion process, it was found that the color of the distilled water mixture gradually turned pale yellow after immersion, which was speculated to be caused by the loss of the water-rock chemical reaction from illite and illite-smectite mixed-layer minerals to distilled water [32]. This phenomenon caused the disintegration of illite and illite-smectite mixed-layer minerals, a loss of connection between clay particles or between clay particles and noncritical cements [37], the expansion of noncritical cements and an increase in noncritical cement pores [29]. Under the action of wetting-drying cycles, the clay particles repeatedly underwent expansion-contraction or even disintegration (the process mechanism is shown in Figure 13), until they detached from the cement.…”
Section: Discussionmentioning
confidence: 99%
“…The dissolution and loss of soluble minerals and increased permeability are the key factors for the deterioration effect of a wetting-drying cycle [36]. However, for soft rock with a high clay mineral content, the expansion/contraction behavior of clay mineral particles is more serious [37,38]. Although CPB and rock have some similar characteristics, because CPB is a prefabricated material, its particle size composition and cementing material composition are very different from rock.…”
Section: Introductionmentioning
confidence: 99%
“…Carbonaceous mudstone is a kind of mudstone, because it contains a certain amount of organic carbon, so it is called carbonaceous mudstone. Depending on the geology and region, its carbon content can reach 6% to 30% [1]- [2] . Compared with other soft rocks, in addition to its low hardness and poor hydraulic properties, it is also very easy to weather.…”
Section: Introductionmentioning
confidence: 99%