# Study of Single Fracture Seepage Characteristics of Fault-Filled Materials Based on CT Technology

^{1}

^{2}

^{3}

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## Abstract

**:**

## 1. Introduction

## 2. CT Scan and 3D Model Reconstruction

#### 2.1. Pre-Processing of CT Scan Images

#### 2.2. Fracture Extraction

## 3. Seepage Simulation

#### 3.1. Condition Setting

^{2}was also set in the y-negative direction, and simulations of seepage under different pressure conditions were carried out in the z-positive and negative directions of the model, respectively, to study the seepage characteristics of the fissure model.

#### 3.2. Solver Model Selection

#### 3.3. Experimental Design of Seepage Simulation

#### 3.4. Seepage Simulation Results and Analysis

## 4. Discussion

## 5. Conclusions

## Author Contributions

## Funding

## Institutional Review Board Statement

## Informed Consent Statement

## Data Availability Statement

## Acknowledgments

## Conflicts of Interest

## References

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**Figure 1.**Mine Location Map: (

**a**) Map of China. (

**b**) Map of Shandong. (

**c**) Diagram of Anju Coal Mine in Jining Mining District.

**Figure 3.**z forward inlet pressure cloud map: (

**a**) 0.1 Mpa pressure cloud map. (

**b**) 0.5 Mpa pressure cloud map. (

**c**) 1 Mpa pressure cloud map. (

**d**) 3 Mpa pressure cloud map. (

**e**) 5 Mpa pressure cloud map. (

**f**) 10 Mpa pressure cloud map.

**Figure 4.**z forward inlet velocity vector diagram:(

**a**) 0.1 Mpa speed vector. (

**b**) 0.5 Mpa speed vector. (

**c**) 1 Mpa speed vector. (

**d**) 3 Mpa speed vector. (

**e**) 5 Mpa speed vector. (

**f**) 10 Mpa speed vector illustration.

**Figure 5.**z negative inlet pressure cloud map: (

**a**) 0.1 Mpa pressure cloud map. (

**b**) 0.5 Mpa pressure cloud map. (

**c**) 1 Mpa pressure cloud map. (

**d**) 3 Mpa pressure cloud map. (

**e**) 5 Mpa pressure cloud map. (

**f**) 10 Mpa pressure cloud map.

**Figure 6.**z negative inlet velocity vector diagram:(

**a**) 0.1 Mpa speed vector. (

**b**) 0.5 Mpa speed vector. (

**c**) 1 Mpa speed vector. (

**d**) 3 Mpa speed vector. (

**e**) 5 Mpa speed vector. (

**f**) 10 Mpa speed vector.

**Figure 8.**The 3 Mp pressure cloud and speed vector illustration: (

**a**) fracture mesh model. (

**b**) pressure cloud map. (

**c**) speed vector illustration.

**Figure 9.**The 3 Mp pressure cloud and speed vector illustration: (

**a**) fracture grid motion trajectory. (

**b**) z forward motion trajectory diagram. (

**c**) z negative motion trajectory diagram.

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**MDPI and ACS Style**

Sun, W.; Wang, S.; Dong, F.; Xue, Y. Study of Single Fracture Seepage Characteristics of Fault-Filled Materials Based on CT Technology. *Water* **2022**, *14*, 3679.
https://doi.org/10.3390/w14223679

**AMA Style**

Sun W, Wang S, Dong F, Xue Y. Study of Single Fracture Seepage Characteristics of Fault-Filled Materials Based on CT Technology. *Water*. 2022; 14(22):3679.
https://doi.org/10.3390/w14223679

**Chicago/Turabian Style**

Sun, Wenbin, Shaoyu Wang, Faxu Dong, and Yandong Xue. 2022. "Study of Single Fracture Seepage Characteristics of Fault-Filled Materials Based on CT Technology" *Water* 14, no. 22: 3679.
https://doi.org/10.3390/w14223679