Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Liyun Tang"'
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-18 (2024)
Abstract Due to the existence of ice in rock fissures and the complex ice–rock interactions, the exact role of fissure ice in altering the mechanical behaviour of frozen rock mass remains unclear. In this study a series of uniaxial compression expe
Externí odkaz:
https://doaj.org/article/16457fae656f4810b63f1ff204315550
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 3, Pp 979-989 (2024)
Due to the presence of ice and unfrozen water in pores of frozen rock, the rock fracture behaviors are susceptible to temperature. In this study, the potential thawing-induced softening effects on the fracture behaviors of frozen rock is evaluated by
Externí odkaz:
https://doaj.org/article/660c119aafbb486191db0ccc3747439d
Autor:
Chunqing Li, Guoyu Li, Qingsong Du, Xuyang Wu, Fei Wang, Juncen Lin, Jianwei Yue, Hang Zhang, Liyun Tang, Hailiang Jia
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e02922- (2024)
The purpose of this research is to solve the problem of concrete performance deterioration caused by low temperatures in cold regions. Based on the theoretical method of improving the performance of concrete with nanomaterials, the effect of nano-alu
Externí odkaz:
https://doaj.org/article/c81c451871b4426ba02b8a7e45c4411c
Autor:
Kai Gao, Guoyu Li, Fei Wang, Yapeng Cao, Dun Chen, Qingsong Du, Mingtang Chai, Alexander Fedorov, Juncen Lin, Yunhu Shang, Shuai Huang, Xiaochen Wu, Luyao Bai, Yan Zhang, Liyun Tang, Hailiang Jia, Miao Wang, Xu Wang
Publikováno v:
Drones, Vol 8, Iss 8, p 360 (2024)
The China–Russia crude oil pipeline (CRCOP) operates at a temperature that continuously thaws the surrounding permafrost, leading to secondary periglacial phenomena along the route. However, the evolution and formation mechanisms of these phenomena
Externí odkaz:
https://doaj.org/article/cbd86abd1c11457c96f00744104af761
Publikováno v:
PLoS ONE, Vol 19, Iss 4 (2024)
Externí odkaz:
https://doaj.org/article/a7cdbad510f049f99166462ecd17230d
Autor:
Chunqing Li, Yapeng Cao, Guoyu Li, Qingguo Liang, Xuyang Wu, Gang Wu, Fei Wang, Qingsong Du, Yapeng Wang, Shunshun Qi, Liyun Tang, Jianwei Yue, Hang Zhang
Publikováno v:
Case Studies in Construction Materials, Vol 19, Iss , Pp e02542- (2023)
This research presents the improvement effect and influence mechanism of nano-Al2O3 (NA) and nano-SiO2 (NS) on concrete performance from the macro and micro scales. The crucial parameter investigated in this research is the various concentrations of
Externí odkaz:
https://doaj.org/article/56b4318a388d435f8ccb8cb0312208cd
Publikováno v:
Water, Vol 16, Iss 8, p 1180 (2024)
Understanding the capillary imbibition laws of brackish water in rocks is necessary to reveal the mechanism of fluid, salt, and ion transport. In this study, we investigated the capillary imbibition laws of a Na2SO4 solution of different concentratio
Externí odkaz:
https://doaj.org/article/eb14172c39b84d05ba2076da8f1cffbc
Publikováno v:
Applied Sciences, Vol 14, Iss 8, p 3427 (2024)
The mechanical properties of frozen fissured rock masses are crucial considerations for engineering in frozen earth. However, there has been little research on the mechanical properties of frozen fissured sandstone, including its strength, deformatio
Externí odkaz:
https://doaj.org/article/35980a4885d140278e5b8398e3cb2724
Autor:
Dun Chen, Guoyu Li, Jinming Li, Qingsong Du, Yu Zhou, Yuncheng Mao, Shunshun Qi, Liyun Tang, Hailiang Jia, Wanlin Peng
Publikováno v:
Frontiers in Energy Research, Vol 10 (2023)
Rocks in cold regions experience freeze–thaw (F–T) cycles, which have a significant impact on their mechanical properties, causing a series of engineering challenges that threaten engineering stability. To investigate the mechanical characteristi
Externí odkaz:
https://doaj.org/article/19d4873a7d1143cebde24e0ee7fecf21
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 13, Iss 5, Pp 1078-1092 (2021)
Determining the mechanical properties of frozen rock is highly important in cold-area engineering. These properties are essentially correlated with the content of liquid water remaining in frozen rock. Therefore, accurate determination of unfrozen wa
Externí odkaz:
https://doaj.org/article/9ed4571fa95745c284c5974d89260941