Laboratory simulation of karst development in carbonate rocks containing insoluble substances: a case study from west Iran

Taheri, Milad; Nikudel, Mohammad Reza; Khamehchiyan, Mashalah; Taheri, Kamal

doi:10.1007/s10064-015-0744-7

Cited by 11 publications

(2 citation statements)

References 46 publications

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“…The solubility value of carbonate rocks has been studied by various researchers all over the world. Including: Ajalloeian, et al, (2001);Ghobadi, (2005); Heidari, et al, (2011);Taheri, et al, (2016); Mousavi-Maddah, et al, (2020);Taheri, et al, (2021); Mohammadian, et al, (2021); Gessert and Hochmuth, (2022);Chen, et al, (2023);Hou, et al, (2023).…”

Section: -Introductionmentioning

confidence: 99%

Effect of freez thaw on the solubility the Mesozoic limestone (a case study: Iran, Dorfak karstic area, Guilan province, North of Iran)

Dehban,

Ghobadi,

Mohseni

2024

Preprint

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The present study attempts to survey the Dorfak karstic area in the Guilan province (north of Iran) in terms of engineering geology. To reach of purpose, was collected sample of four lithological unites. Laboratory tests were done to determinate physical, chemical and mechanical properties. Examining the value of softening and freezing coefficients vs. the value of solubility and solubility rate constant shows adversely relation between three variables. Also, any significant relationship wasn’t observed between these coefficients and the solubility rate constant values in samples exposed to 60 freezing-thawing cycles. Because the internal area increasing of porosity due to freezing-thawing cycles was non-calculable for the determination of the solubility rate constant. To investigate the effects of the specific surface area on the value of solubility, SEM images of the samples was prepared in different modes. The study of the effects of the specific surface area in the dissolution process shows that with increasing the specific surface area, the value of calcium ions dissolved in the water in both cases (primary types and Cir. After F-T samples) has increased. Also, by plotting the solubility rate constant value in both cases before and after 60 freezing-thawing cycles vs. the specific surface area was proved that with increasing the specific surface area, the solubility rate constant value in the primary types (P) has increased. In samples after freezing-thawing cycles (Cir. After F-T), solubility rate constant values decreased with an increasing specific surface area. Because the rise of in the area created in these samples due to freezing-thawing cycles was non-calculable for the determination of the solubility rate constant.

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Section: -Introductionmentioning

confidence: 99%

Effect of freez thaw on the solubility the Mesozoic limestone (a case study: Iran, Dorfak karstic area, Guilan province, North of Iran)

Dehban,

Ghobadi,

Mohseni

2024

Preprint

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“…However, previous tests did not include the coupling of water flow speed and dynamic water pressure, and its dissolution effect and development law. The pH value of carbonic acid solution obviously influences the dissolution rate of rock samples [ 41 , 42 , 43 , 44 ], and the dissolution rate increases with decreasing pH value. Zhao et al [ 45 ] established that the dissolution rate in acid is approximately 20–400 times that in alkaline and neutral conditions.…”

Section: Introductionmentioning

confidence: 99%

Development and Application of Carbonate Dissolution Test Equipment under Thermal–Hydraulic–Chemical Coupling Condition

et al. 2022

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The latest continuous flow micro reaction technology was adopted to independently develop carbonate rock dissolution test equipment. Carbonate rock dissolution tests were conducted under different temperatures, flow rates, and dynamic water pressure conditions to study the dissolution process of carbonate rocks under the coupling of heat-water-chemistry. The dissolution effect and development law of carbonate rocks were explored by quantitatively studying carbonate rock dissolution rate and chemical composition of karst water. The results showed that the self-designed dissolution test equipment has obvious advantages. After dissolution, carbonate rock specimens were damaged to varying degrees. The dissolution rate was proportional to water velocity and hydrodynamic pressure, with the velocity effect being greater than the hydrodynamic pressure effect. The pH value, conductivity, and Ca2+ ion content of the reaction solution gradually increased after dissolution. The development and application of the equipment have proved that, at low dynamic water pressures (2 MPa), the water flow velocity effect on the dissolution velocity was 1.5 times that when the dynamic water pressure was high (6 MPa); at a low water flow velocity of 15 mL/min, the dynamic water pressure effect on the dissolution velocity was three times that when the water flow velocity was high (75 mL/min). The development process is gradually becoming strong and stable. Its research has important theoretical significance and engineering application value to provide technical means and guarantee for the early identification, karst development, and safety evaluation of karst geological disasters.

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Optimization design and assessment of the effect of seepage control at reservoir sites under karst conditions: a case study in Anhui Province, China

et al. 2021

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Laboratory simulation of karst development in carbonate rocks containing insoluble substances: a case study from west Iran

Cited by 11 publications

References 46 publications

Effect of freez thaw on the solubility the Mesozoic limestone (a case study: Iran, Dorfak karstic area, Guilan province, North of Iran)

Effect of freez thaw on the solubility the Mesozoic limestone (a case study: Iran, Dorfak karstic area, Guilan province, North of Iran)

Development and Application of Carbonate Dissolution Test Equipment under Thermal–Hydraulic–Chemical Coupling Condition

Optimization design and assessment of the effect of seepage control at reservoir sites under karst conditions: a case study in Anhui Province, China

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