Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Changqing Qi"'
Autor:
Ying Wang, Jin Liu, Zhihao Chen, Fan Bu, Yuxia Bai, Debi Prasanna Kanungo, Zezhuo Song, Changqing Qi
Publikováno v:
Journal of Natural Fibers, Vol 19, Iss 1, Pp 46-62 (2022)
The compressibility and rebound properties of sand reinforced with polymer and fibers were studied with respect to polymer content, dry density, and types and content of fibers using laboratory standard consolidation experiments. The following conclu
Externí odkaz:
https://doaj.org/article/d5cf870a5d034c279a7aa59ac5af3e9f
Autor:
Changqing Qi, Yuxia Bai, Jin Liu, Zezhuo Song, Debi Prasanna Kanungo, Fan Bu, Qiongya Wang, Zhaojun Zeng
Publikováno v:
International Journal of Polymer Science, Vol 2020 (2020)
Weak water stability of soil is one of the prime causes of soil erosion and slope damage. To understand the improvement on the water stability of sand by a soluble organic polymer (polyurethane, PU), we have conducted a series of water-stability and
Externí odkaz:
https://doaj.org/article/be0024be3ae942e4850697d32f64621f
Publikováno v:
Polymers, Vol 12, Iss 10, p 2398 (2020)
There has been a growing interest in polymer applied for soil reinforcement in recent years. However, there little attention has been paid to the effects of polymer on soil cracking behavior, and cracks significantly change soil strength and hydrauli
Externí odkaz:
https://doaj.org/article/412fcc50f75043ba81b148428fd23f7f
Publikováno v:
Advances in Civil Engineering, Vol 2018 (2018)
This paper presents a finite element analysis on a soft embankment foundation improved by prefabricated vertical drains. A plane strain analysis was performed using equivalent permeability. The predictions of settlement, pore water pressure, and late
Externí odkaz:
https://doaj.org/article/0cc0652294194b0aa51c2e3886776e7f
Publikováno v:
Advances in Civil Engineering, Vol 2018 (2018)
Landslide developed in rock mass usually has irregular shear plane. An approach for calculating distributed factor of safety of the irregular shear plane was put forward in this paper. The presented method can obtain not only the detailed stability s
Externí odkaz:
https://doaj.org/article/052e798ab9a74437acc1257f0cf9c07e
Autor:
Jin Liu, Yong Wang, Yi Lu, Qiao Feng, Faming Zhang, Changqing Qi, Jihong Wei, Debi Prasanna Kanungo
Publikováno v:
International Journal of Polymer Science, Vol 2017 (2017)
Polyvinyl acetate constitutes a class of polymers that can entirely dissolve in water to form a solution. In this study, polyvinyl acetate as a nontraditional chemical stabilizer was used in soil improvement. Laboratory tests were carried out to eval
Externí odkaz:
https://doaj.org/article/9c8d84e6d2c84d66889346e07c8c863a
Publikováno v:
Applied Sciences, Vol 9, Iss 19, p 4078 (2019)
This study focused on investigating the effects of polypropylene fiber on the liquefaction resistance of saturated sand. We performed a battery of tests with a state-of-the-art ring shear apparatus on fiber-reinforced saturated sand, considering the
Externí odkaz:
https://doaj.org/article/9a2aa79223354d48a06146627e35cbac
Publikováno v:
Advances in Materials Science and Engineering, Vol 2016 (2016)
Mechanical behavior of frozen rock-soil mixture was investigated through direct shear test based on remolded specimens. The peak shear strength of rock-soil mixture increases greatly when it is fully frozen. The shear process goes through four stages
Externí odkaz:
https://doaj.org/article/e0eaefbde3d54710b735d4c8150f9872
Publikováno v:
Bulletin of Engineering Geology and the Environment. 82
Publikováno v:
Journal of Materials in Civil Engineering. 34