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Yi Zhang, Hui Li, Qingqing Lu, Jie Yang and Tao Wang
To solve the problem of insufficient strength and durability of porous concrete pavement, seven different admixtures were used in this study so that the above properties could be optimized. The strengthening effect of admixtures on the strength and anti-...
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Chiu Hwa Cheng, Karline Soetaert and Bas Wijnand Borsje
The behavior of asymmetrical bedforms, which include many tidal sand waves, is challenging to understand. They are of particular interest since they are mostly located within areas prone to offshore engineering activities. Most experimental investigation...
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Zuxun Zhang, Hongtu Wang, Li Wang and Dongming Zhang
In this paper, we investigated the mechanical and permeability characteristics of water-bearing raw coal samples under in-situ stress, and came to some conclusions, as follows: the peak strength and peak axial strain of samples gradually decrease with th...
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Shilong Peng, Zhijun Li, Yuhao Xu and Guangyong Cao
The study of deep soil mechanics is the basis of deep shaft construction. Exploring the nonlinear permeability mechanism of deep confined aquifers in depth is the prerequisite and foundation for carrying out calculations of the hydrophobic consolidation ...
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Xianzheng Yu, Hua Liu, Xiaolin Fan, Liangyu Zhu, Chengqi Zhang and Shiyi Zhang
In marine environments, bridge piers and columns are prone to corrosion caused by harmful media, particularly chloride ions. This corrosion can lead to cracking of the steel bars in the protective layer of the bridge piers. To enhance the corrosion resis...
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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...
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Yu-Zhang Bi, Jia-Ming Wen, Hao-Liang Wu and Yan-Jun Du
In this paper, the performance of a gas barrier that consisted of polyacrylamide (PAM)-modified compacted clayey soil was experimentally explored. The moisture content and water loss characteristics of the tested soils were adopted as indicative indices ...
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Pradeep Kumar, N. S. Thakur, K. D. Sharma, Hamid ., Abhimanyu Thakur
Pág. Page:83 - 92Abstract
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Dong Lin, Yuhuan Bu, Changyou Xiang, Chang Lu, Huajie Liu and Shenglai Guo
The decomposition of hydrates can cause serious sand production and collapse problems, hindering the long-term effective production of hydrates. This study proposes a theory for framework reconstruction and reinforcement for deep-water hydrate layers bas...
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Yu Wang, Changhong Li, Xiaoming Wei and Zhiqiang Hou
A series of experimental flow tests for artificial block-in-matrix-soils (bimsoils) samples with various slenderness ratios were performed to study the Non-Darcy groundwater flow characteristics. The variations of seepage velocity, permeability coefficie...
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Yu Wang, Changhong Li, Xiaoming Wei, Zhiqiang Hou
Pág. 1 - 17
A series of experimental flow tests for artificial block-in-matrix-soils (bimsoils) samples with various slenderness ratios were performed to study the Non-Darcy groundwater flow characteristics. The variations of seepage velocity, permeability coefficie...
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Zhao Ma, Lichao Nie, Zhaoyang Deng, Xiaobin Xu, Xin Yin, Junfeng Shen, Kai Wang and Ningbo Li
The induced polarization method has become a popular method for evaluating formation permeability characteristics in recent years because of its sensitivity to water and water-bearing porous media. In particular, the induced polarization relaxation time ...
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Bakhtiyor Khuzhayorov, Azizbek Usmonov, N.M.A. Nik Long and Bekzodjon Fayziev
In this paper, a problem of anomalous solute transport in a coaxial cylindrical two-zone porous medium with fractal structure is posed and numerically solved. The porous medium is studied in the form of cylinder with two parts: macropore?with high permea...
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Anna Miszkowska, Stanislav Lenart, Eugeniusz Koda
Pág. 1 - 15
The use of geotextile filters has been a common application in geo-environmental and geotechnical engineering for decades. The purpose of the present paper is to assess the influence of artificial physical clogging and cyclic water flow on the water perm...
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Ir Hakim Duppa M.T
Pág. 2910 - 2915
Waterlogging occurs when rain is rain water that gathered accumulation exceeded the rainag capacity of the river and it is causedndue to the absence of absorption infiltration into the soil this the study aimed to assess the basic characteristics of the ...
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Jingqiang Wang, Zhengyu Hou, Guanbao Li, Guangming Kan, Baohua Liu, Xiangmei Meng, Qingfeng Hua and Lei Sun
The acoustic characteristics of three fine-grained sediments (silty sand, silt, silty clay) in the South China Sea (SCS) were measured and analyzed at high frequency range of 27?247 kHz. The measurement results show that the sound speed dispersion is a p...
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Andreas Neumann, H. Christian Hass, Jürgen Möbius and Céline Naderipour
Suspended, organic matter, especially in the form of adhesive extracellular polymers (EPS), tends to form flocs, which may also incorporate suspended lithogenic particles in coastal environments. With an increased settling velocity, these ballasted flocs...
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Wei Gu, Qingying Cheng, Dalong Xu, Sumeng Yao and Heng Li
The small-sized proppant is widely used in the traditional hydraulic fracturing reservoir stimulation, but the theoretical research shows that the large-sized proppant can greatly improve the fracture permeability. Although many scholars have proposed th...
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Zezhi Deng, Xiangshan Chen, Wei Jin and Gang Wang
Internal erosion refers to the seepage-induced fine particle migration phenomenon in soil. Deep alluviums in valleys usually contain cohesionless gap-graded sandy gravels with poor internal stability. The construction of embankment dams on such alluviums...
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Songtao Yu, Hongwei Deng, Guanglin Tian and Junren Deng
Microscopic characteristics greatly affect mechanical and physical properties as they exert vital impact on the stability and durability of materials. In this paper, widely distributed sandstone was chosen as the research object. Sandstone was treated wi...
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