Zobrazeno 1 - 10
of 46
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
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
Publikováno v:
The Journal of Engineering, Vol 2021, Iss 5, Pp 267-275 (2021)
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 from hydra
Publikováno v:
Arabian Journal for Science and Engineering. 46:573-586
Low permeability coal makes methane control in underground coal mines difficult. Drilling tree-type boreholes is a new method for improving the permeability of coal seams to stimulate cross-measure boreholes drainage. This paper presents an analysis
Publikováno v:
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. :1-17
Water-jet drilling (WJD) is an effective method for stimulating, exploring, and developing oil and gas resources. The self-rotatory water-jet bit (SRWJB) is a type of potentially efficient bit appl...