|
|
|
|
|
Yanan Miao, Pengfei Wang, Xin Li, Haiping Huang, Can Jin and Wei Gao
Shale gas production is obviously higher within the Silurian Longmaxi Formation than that of the Cambrian Niutitang Formation according to the drilling test results in the northwest Hunan area. To clarify the reasons behind this variation, core samples f...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mengyu Zhang, Hong Sun, Chunyu Song, Yue Li and Mingxun Hou
Loading/unloading tests and field emission scanning electron microscope (FESEM) tests were performed on undisturbed soft clay specimens to study the pore evolution under the loading/unloading process. The results showed that small pores (<0.2 µm) had int...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yan Xi, Junhao Xing, Jiajia Feng, Congming Ma, Xiutian Yang, Yudong Tian and Xin Liu
Cement has been widely used as a structural material in many underground projects, and these projects often face high- or ultra-high-temperature environments, leading to the deterioration of the mechanical, porosity, and permeability properties of set ce...
ver más
|
|
|
|
|
|
|
|
|
|
|
Meng Yao, Qing Wang, Qingbo Yu, Jianzhong Wu, Hui Li, Jiaqi Dong, Weitong Xia, Yan Han and Xinlei Huang
Artificial reclamation is one of the main means of land expansion in coastal cities. However, the permeability of underlying soft clay (USC), derived from the dredged load, has not been paid enough attention, although it is closely related to the long-te...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hongwei Deng, Bokun Zhao, Yigai Xiao and Guanglin Tian
The response characteristics of the mesostructure and macro-characteristics of the soil?rock mixture under repeated freeze?thaw action have an important influence on the safety and stability of the dump slope in low-temperature environments. In order to ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yi Lu, Deeparekha Narayanan, Ryan Brooks and Homero Castaneda
Carbon steel rebar (ASTM A615) has been widely used in reinforced concrete (RC), but its susceptibility to chloride ions remains a critical issue. Low alloy chromium steel has been used to increase corrosion resistance and extend service life, such as in...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xin Li, Yang Li, Qiang Li, Xiaozhou Zhang, Xuechen Shi, Yudong Lu, Shaoxiong Zhang and Liting Zhang
Preferential flow is widely developed in varieties of voids (such as macropores and fissures) in loess areas, affecting slope hydrology and stability and even leading to geological disasters. However, the model of seepage evolution with dynamic preferent...
ver más
|
|
|
|
|
|
|
|
|
|
|
Parvathy Chandrasekhar, Janis Kreiselmeier, Andreas Schwen, Thomas Weninger, Stefan Julich, Karl-Heinz Feger and Kai Schwärzel
Surface soil structure is sensitive to natural and anthropogenic impacts that alter soil hydraulic properties (SHP). These alterations have distinct consequences on the water cycle. In this review, we summarized published findings on the quantitative eff...
ver más
|
|
|
|
|
|
|
|
|
|
|
George Kaviris, Vasilis Kapetanidis, Ioannis Spingos, Nikolaos Sakellariou, Andreas Karakonstantis, Vasiliki Kouskouna, Panagiotis Elias, Andreas Karavias, Vassilis Sakkas, Theodoros Gatsios, Ioannis Kassaras, John D. Alexopoulos, Panayotis Papadimitriou, Nicholas Voulgaris and Issaak Parcharidis
We investigate an earthquake sequence involving an Mw = 4.6 mainshock on 2 December 2020, followed by a seismic swarm in July?October 2021 near Thiva, Central Greece, to identify the activated structures and understand its triggering mechanisms. For this...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chaojie Cheng, Johannes Herrmann, Bianca Wagner, Bernd Leiss, Jessica A. Stammeier, Erik Rybacki and Harald Milsch
The long-term sustainability of fractures within rocks determines whether it is reasonable to utilize such formations as potential EGS reservoirs. Representative for reservoirs in Variscan metamorphic rocks, three long-term (one month each) fracture perm...
ver más
|
|
|
|
|
|
|
|
|
|
|
Seyed Ali Mousavi Tayebi, Saeid Moussavi Tayyebi and Manuel Pastor
Due to the growing populations in areas at high risk of natural disasters, hazard and risk assessments of landslides have attracted significant attention from researchers worldwide. In order to assess potential risks and design possible countermeasures, ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Panagiotis Sitarenios and Francesca Casini
This paper presents a three-dimensional slope stability limit equilibrium solution for translational planar failure modes. The proposed solution uses Bishop?s average skeleton stress combined with the Mohr?Coulomb failure criterion to describe soil stren...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaoling Zhang, Fei Xia, Chengshun Xu and Yan Han
The stability of hydrate-bearing near-wellbore reservoirs is one of the key issues in gas hydrate exploitation. In most previous investigations, the damage evolution process of the sediment structure and its effect on near-wellbore reservoir stability ha...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kun Zhang, Pengbo Chang, Jianxi Ren, Zheng Liu and Ke Wang
The fractured rock mass in the western cold region is affected by freezing and thawing disasters and is prone to local damage and fracture along the fissures? ends. The fatigue damage induced by repeated frost heave and traffic loads seriously endangers ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yu Yin, Ziteng Cui, Xiao Zhang, Jian Song, Xueyi Zhang, Yongqiang Chen and Zhi Dou
Clay is widely encountered in nature and directly influences seepage behaviors, exerting a crucial impact on engineering applications. Under low hydraulic gradients, seepage behaviors have been observed to deviate from Darcy?s law, displaying a non-linea...
ver más
|
|
|
|
|
|
|
|
|
|
|
Renjie Teng, Xin Gu, Xiaozhou Xia and Qing Zhang
This work presents a comprehensive coupled thermal-hydro-mechanical model to explore the frost heave mechanism of the concrete-lined canal under a freeze?thaw environment. Unlike previous models that regard concrete as a homogeneous material, this model ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yangchun Lu, Yudong Lu, Ting Lu, Bo Wang, Guanghao Zeng and Xu Zhang
Malan loess is an eolian sediment in arid and semi-arid areas. It is of great significance to study the pore structure of Malan loess for its evolution, strength, and mechanical properties. In order to quantitatively characterize the absolute permeabilit...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lilei Chen, Yue Sun, Chao Wang, Peng Sha, Huijun Jin, Minghao Liu and Anyuan Li
Using high-precision CT scanning equipment, two series of tests on frost and salt weathering were conducted to investigate the characteristics of pore change in tuff. Experiments on frost and salt aging were performed with pieces of tuff from the same ar...
ver más
|
|
|
|
|
|
|
|
|
|
|
Guisen Wang, Baoning Hong, Xin Liu, Dongning Sun, Zhiwei Shao and Yunlong Yao
While post-grouting is frequently reported to improve the engineering performance of piles, the shear strength of the soil around piles is not well understood. To investigate the strengthening mechanism of soil around piles with permeation grouting, labo...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tianju Wang, Yanlu Ding, Rui Wang, Anna Qian, Hailong Lu and Boyu Zhou
Hydrate distribution heterogeneity is often observed in natural and artificial hydrate-bearing sediments (HBSs). To capture hydrate distribution heterogeneity, a pore-scale method is proposed to model cemented HBSs using the discrete element method (DEM)...
ver más
|
|
|
|
|
|