Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Songqiang Xiao"'
Autor:
Songqiang Xiao, Haoxin Qin, Wenfeng Zhang, Qingyang Ren, Juchong Xiao, Wentao Li, Yugang Cheng
Publikováno v:
Case Studies in Construction Materials, Vol 19, Iss , Pp e02634- (2023)
To reveal the dynamic response characteristic and damage-fracture evolution laws of concrete under pulse water jet impact, the numerical simulations on pulse water jets impinging concrete for different operating parameters were established based on S
Externí odkaz:
https://doaj.org/article/6e6258f9228c46c6bde01e71e4206792
Autor:
Songqiang Xiao, Qingyang Ren, Ruishi Guan, Jialiang Liu, Haiyang Wang, Yugang Cheng, Wenhao Xie
Publikováno v:
Energy Reports, Vol 7, Iss , Pp 3210-3224 (2021)
This paper adopted theoretical derivation and experiments to investigate the stress wave propagation characteristics in rock under water jet impact and fracture response of coal. The evolution model of stress and displacement was presented to analyze
Externí odkaz:
https://doaj.org/article/5269d69b8bcd41678ba971f3ee3e0809
Publikováno v:
Arabian Journal of Chemistry, Vol 15, Iss 12, Pp 104320- (2022)
Research on the effects of the pre-injected lye on the microstructure of the surrounding rock is indispensable for H2S treatment during tunnel construction. In this study, limestone samples from the Huangjiagou tunnel in Guizhou Province in southwest
Externí odkaz:
https://doaj.org/article/c35de6ea273e4ca2860ad97ead40a7e3
Publikováno v:
The Journal of Engineering, Vol 2021, Iss 5, Pp 267-275 (2021)
Abstract Water jet drilling (WJD) technology has been widely used to extract coalbed methane. Coal breakage features and fragment size in WJD determine the drilling efficiency. The smaller the coal fragments, the easier the fragments are discharged f
Externí odkaz:
https://doaj.org/article/76afa0823c67415e929ccfb1ce5c4461
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 14, Iss 1, Pp 1279-1301 (2020)
High-pressure water jets under nozzle moving conditions are widely utilized for rock breakage in geotechnical engineering. The nozzle motion state significantly influences the jet flow field and flow characteristics, thus changing its rock-breaking p
Externí odkaz:
https://doaj.org/article/b00948e742d045a1899b3fb06ac767c4
Publikováno v:
Buildings, Vol 13, Iss 2, p 322 (2023)
The evolution law of internal force and deformation of an anti-slide pile affects the slope stability and prevention design in a significant way. Based on the similarity theory, a test system for the bearing characteristics of a cantilever anti-slide
Externí odkaz:
https://doaj.org/article/98b3608379dc43fcaab7781172beaa56
Publikováno v:
Applied Sciences, Vol 8, Iss 10, p 1988 (2018)
Water jet drilling (WJD) technology is a highly efficient method to extract coalbed methane from reservoirs with low permeability. It is crucial to efficiently remove the coal fragments while drilling. In this study, to disclose coal fragmentation fe
Externí odkaz:
https://doaj.org/article/935060410e924300b98f85275710b1ae
Publikováno v:
Energies, Vol 10, Iss 9, p 1388 (2017)
Hydraulic fracturing is used widely to stimulate coalbed methane production in coal mines. However, some factors associated with conventional hydraulic fracturing, such as the simple morphology of the fractures it generates and inhomogeneous stress r
Externí odkaz:
https://doaj.org/article/2c5c1c31538e482db4da864e52c359ab
Publikováno v:
Energies, Vol 9, Iss 7, p 514 (2016)
High-pressure hydraulic fracturing technology in coal and coal bed methane mines can lead to roof and floor damage, and fracture initiation disorder that leads to a “blank area”, and other issues. A new method of hydraulic fracturing is proposed
Externí odkaz:
https://doaj.org/article/561853543851411791899802add07915
Autor:
Songqiang Xiao, Qingyang Ren, Yugang Cheng, Haiyang Wang, Liang Zhang, Yin Liao, Bin Chen, Honghua Jin, Xin Meng, Haoxin Qin
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources. 8