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Geotechnical and Geological Engineering OnlineFirst articles

03-08-2021 | Original Paper

Study on Solidification Treatment of Electrolytic Manganese Slag and Numerical Simulation of Slope Stability

Manganese slag contains a large number of easily migrated heavy metals and ammonia nitrogen and other pollutants, which have a negative impact on the ecological environment. To verify the feasibility of manganese slag as highway subgrade material …

Meng Chen, Jianming Wei, Lipei Jia, Qiqi Yao, Yusu Chen

02-08-2021 | Original Paper

A New Rock-Bolting Pattern Proposed for Tabas Fully Mechanized Mine Using Field Instrumentation and Numerical Modelling

The stability of longwall coal mines has been a challenging concern for geotechnical and mining engineers. Rock-bolting is the commonly used support system preventing roof and wall convergence and floor heave. This study attempts to suggest an …

Mohsen Rahmanipoor, Lohrasb Faramarzi, Amin Azhari

30-07-2021 | Original Paper

Experimental Investigation on Coal Deterioration Deformation Mechanism and Energy Evolution Law after High Temperature Pre-damage

Deep coals are generally in a high geothermal environment, and when UCG (underground coal gasification) is carried out, the long-term high temperature effect will cause different degrees of thermal stress damage to coals and rocks, which will …

Yadong Xu, Rongwei Guo, Haodong Yan, Pengcheng Wu, Yu Yang

28-07-2021 | Original Paper

Landslide Susceptibility Mapping Using GIS-based Fuzzy Logic and the Analytical Hierarchical Processes Approach: A Case Study in Constantine (North-East Algeria)

The main purpose of this study was to compare and evaluate the performance of two multicriteria models for landslide susceptibility assessment in Constantine, north-east of Algeria. The landslide susceptibility maps were produced using the …

Amina Abdı, Ali Bouamrane, Toufik Karech, Noura Dahri, Anouar Kaouachi

27-07-2021 | Original Paper

Surficial Stabilization of Wildfire-Burnt Hillslopes Using Xanthan Gum and Polyacrylamide

Post-wildfire erosion and the slope instability issues associated with it are a global problem that can negatively affect transportation corridors, the environment, and human life. Currently, mulch treatments are commonly used means of stabilizing …

Idil Deniz Akin, Sophia S. Garnica, Peter R. Robichaud, Robert E. Brown

27-07-2021 | Original Paper

3D Seismic Stability Analysis of Bench Slope with Pile Reinforcement

Pile reinforcement has been widely applied to ensure the stability of slopes. However, few investigations have been conducted on multi-stage or bench slopes reinforced with piles. To give a brief stability description of such slopes, a …

Sheng-yu Yang, Zhen Wang, Jia-man Wang, Ming-wei Gong, Jian-fei Li, Zhi-bin Sun

26-07-2021 | Original Paper

The Application of the Strength Reduction Shortest Path Method to the Stability Analysis of Shallow Buried Tunnel

To improve the theoretical analysis of surrounding rock stability of shallow buried tunnels. The strength reduction shortest path theory is applied to the stability analysis of shallow buried tunnel surrounding rock, combined with the ultimate …

Wei Wang, Jiaqi Zhang, Ao Li

26-07-2021 | Original Paper

Preliminary Study to Understand the Effect of Impact Loading and Rock Weathering in Tunnel Constructed in Quartzite

This study has carried out three-dimensional nonlinear elastoplastic analyses to understand the behaviour of tunnels constructed in rock having reinforced concrete lining when subjected to impact loading. The Lagrangian analysis tool has been used …

Mohammad Zaid

25-07-2021 | Original Paper

Reliability Analysis of Reinforced Slope Combining Random Forest Algorithm and Meshless SPH Algorithm

This paper presents a framework combining a mesh-free method called Smoothed Particle Hydrodynamics (SPH) algorithm with Random Forest (RF) algorithm to evaluate the failure probability for reinforced slope. The reinforced slope model is …

Xu Liu, Liang Li, ShangShang Wang, Fu Chen, Ming Zhai, Zhengquan Yang, Yuan Gao

25-07-2021 | Original Paper

Evolution Mechanism and Stability Analysis of Roof Deflection of Composite Structure Roadway Under Dynamic Load Disturbance

The lithology of the roof of the mining roadway is compound and the thickness of each layer varies considerably, and it is disturbed by dynamic load all the year round. The above factors has caused a huge difference in the stability of the roadway …

Zequan Sun, Hao Feng, Wenhai Wang, Tao Guo, Qingwei Wang, Peng Tang

23-07-2021 | Original Paper

Study on Progressive Instability Characteristics of Coal-Rock Composite Structure with the Different Height Ratios

To ensure the safety of coal mining, lots of coal pillars were reserved in the coal mine. The stability of coal pillar and roof composite structures determines the safety of stope. Under the action of cyclic loading and unloading such as mining …

Tan Li, Guangbo Chen, Yanhui Li, Qinghai Li

22-07-2021 | Original Paper

Characteristics of Collapse Accumulation Body in Roadway and Numerical Simulation of Rescue Channel Excavation

After the coal mine disaster, the collapsed accumulation body blocked the roadway and interrupted the rescue route, which seriously affected the development of rescue. Based on the post-disaster blockage rescue route of the collapsed accumulation …

Guangbo Chen, Pengcheng Teng, Huiqiang Duan, Guohua Zhang, Tan Li

21-07-2021 | Original Paper

Study the Behaviour of Underground Oil Cavern under Static Loading Condition

The country's population is increasing rapidly and the need to make lives easier daily. Some of the essential needs for this generation are crude oil and electricity. India, unfortunately, does not possess any oil reserves to meet the needs of the …

K. V. Chimmani, R. D. Lokhande

20-07-2021 | Original Paper

Unloading Response Characteristics of Cross Fault Caverns: Effect of Fault Angles

The research of unloading response characteristics of caverns with weak structure has important engineering value for the development and construction of underground space. In this paper, firstly, the cross fault cavity model is established based …

Yong-Hui Shang, Lin-Rong Xu, Yong-Wei Li

19-07-2021 | Original Paper

Correlation between Schmidt Hammer Hardness, Strength Properties and Mineral Compositions of Sulfate Rocks

The use of non-destructive testing methods is a well-known practice in civil engineering studies, Geotechnics, engineering geology, and building inspection. The Schmidt Hammer Rebound Test (SHRT) is the most prevalent of these and can be performed …

Mohammad Reza Rahimi, Seyed Davoud Mohammadi, Alireza Taleb Beydokhti

16-07-2021 | Original Paper

Predication of Displacement of Tunnel Rock Mass Based on the Back-Analysis Method-BP Neural Network

Back-analysis can be regarded as the reverse process of forwarding analysis. The forward analysis in geotechnical engineering is to utilize the geometric dimensions, constitutive relations, material parameters, and boundary load conditions …

Wenzheng Cao, Yujing Jiang, Osamu Sakaguchi, Ningbo Li, Wei Han

15-07-2021 | Original Paper

Research on Asymmetric Failure Mechanism and Control Technology of Roadway Along Gob in Extra Thick Coal Seam

Taking roadway along gob with narrow coal pillar in fully mechanized top coal caving face for extra thick coal seam as the research object, this paper systematically studies two key problems of asymmetric failure mechanism and control technology …

Yongqiang Zhao, Xiaobin Li, Jiaqi Hou

13-07-2021 | Original Paper

Cyclic Pile-Soil Interaction Effects on Load-Displacement Behavior of Thermal Pile Groups in Sand

This paper highlights the cyclic pile-soil interactions and load-displacement behavior of thermal piles in friction and end-bearing pile groups. Numerical investigations of pile groups with different pile arrangement have been performed under …

Rajni Saggu

13-07-2021 | Original Paper

Statistical Analyses of Shear Strength Properties of Cemented Coarse Grained Alluvium, a Case Study: Tehran, Iran

Soil cohesion is one of the main parameters in designing mitigation methods for shoring to support deep excavation. Therefore, construction cost of tall buildings with deep excavation in large cities is greatly dependent of cohesion. Because of …

Nasim Nasrollahi, Saeid Ghorbanbeigi, Ali Noorzad

13-07-2021 | State-of-the-Art Review

Partial Saturation as a Liquefaction Countermeasure: A Review

The liquefaction or softening of the soils and the potential vulnerability of existing buildings on liquefiable soils continue to be of major concern to the public because it has repeatedly caused severe damages to buildings during strong …

Seyed Mohsen Seyedi-Viand, E. Ece Eseller-Bayat