Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Riyan Lan"'
Publikováno v:
Heliyon, Vol 10, Iss 8, Pp e29699- (2024)
To investigate the effect of oyster shell powder (OSP) on the static and dynamic properties of expansive soil, the mechanical properties of modified soil were obtained. Taking Ningming expansive soil as the research object, triaxial shear test, dynam
Externí odkaz:
https://doaj.org/article/3580bd181bec442ebd3e2117ab204eaf
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
Tunnels are commonly excavated using drilling and blasting methods, and the surrounding rock is greatly affected by the vibration of surrounding hole blasting. To study the influence of the number of free surfaces on the energy distribution and atten
Externí odkaz:
https://doaj.org/article/1b3e9573db1d48d3b9c2a17ef58bcb1d
Publikováno v:
International Journal of Mining Science and Technology, Vol 32, Iss 4, Pp 779-791 (2022)
Due to the complexity of the real engineering environment, the arrival measurement inevitably contains outliers and leads to serious location errors. In order to eliminate the influence of the outliers effectively, this paper proposes a novel robust
Externí odkaz:
https://doaj.org/article/a43c134541394581bb079798a4434060
Publikováno v:
IEEE Access, Vol 8, Pp 226952-226961 (2020)
The simplified method of arch bridge suspender replacement scheme based on the measured displacement correction is proposed in order to ensure the safety of the arch bridge suspender replacement process based on the pocket hanging method. Firstly, ea
Externí odkaz:
https://doaj.org/article/e7a7016c430b444594d8435d4a4d9116
Publikováno v:
IEEE Access, Vol 7, Pp 158379-158388 (2019)
A new AE location method using tri-variate kernel density estimator is developed in this paper. Firstly, combinations of every six arrivals are obtained from a multi-sensor location system, and the preliminary location results are obtained by solving
Externí odkaz:
https://doaj.org/article/cf9121eaa0aa402f850632ac30f96276
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
To efficiently and accurately predict the effects of twin tunneling on adjacent buried pipelines, the effects of upward and downward relative pipeline-soil interactions were considered. A series of numerical parametric studies encompassing 8640 condi
Externí odkaz:
https://doaj.org/article/df0cf56f30b64d0d9b9b89ea61dab2c6
Publikováno v:
Advances in Materials Science and Engineering, Vol 2021 (2021)
The equivalent effective length parameter is introduced into the vibration equation of short cable; that is, the boundary condition that affects the test accuracy of short cable force is equivalent to the calculated length of cable. By attaching an a
Externí odkaz:
https://doaj.org/article/bdf89f86e09949c5b2d16a986b2d74e7
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
Uncertainties in geotechnical parameters significantly affect the stability evaluation of an ancient landslide, especially when considering the strain-softening behavior. Due to the great difficulty in obtaining the probability density distribution o
Externí odkaz:
https://doaj.org/article/fad925b2f4d14bd4a335dd949c1504b1
Publikováno v:
Sensors, Vol 21, Iss 2, p 459 (2021)
The technique of acoustic emission (AE) source localization is critical for studying material failure mechanism and predicting the position of potential hazards. Most existing positioning methods heavily depend on the premeasured wave velocity and ar
Externí odkaz:
https://doaj.org/article/53c2c5e9052a4164b8af90faf7247ad4
Publikováno v:
Sensors, Vol 20, Iss 12, p 3553 (2020)
A closed-form method of acoustic emission (AE) source location for a velocity-free system using complete time difference of arrival (TDOA) measurements is proposed in this paper. First, this method established the governing equation of unknown acoust
Externí odkaz:
https://doaj.org/article/7724652053ee429bba9a3d960ce23cd1