Zobrazeno 1 - 10
of 9 010
pro vyhledávání: '"ROADWAY"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract The collapse column may result in failure of the surrounding rock during roadway excavation. It is of considerable importance to elucidate the failure characteristics and develop the corresponding control technologies for the surrounding roc
Externí odkaz:
https://doaj.org/article/19df029d1acf4c1d8e1854c0142596bf
Publikováno v:
Meikuang Anquan, Vol 55, Iss 12, Pp 171-179 (2024)
In order to solve the problem of deep high stress argillaceous soft rock floor drainage roadway affected by mining disturbance, taking the layout optimization and surrounding rock control of deep argillaceous soft rock floor drainage roadway in Libi
Externí odkaz:
https://doaj.org/article/2fed303f987446319116bcb82b925d71
Publikováno v:
Meikuang Anquan, Vol 55, Iss 12, Pp 153-160 (2024)
In order to study the deformation law of roadway roof in the reuse retaining roadway stage of “110” construction method and determine the reasonable roadway support load, and to solve the safety hazards of the reuse of the retained roadway, takin
Externí odkaz:
https://doaj.org/article/a665a15735c34d268c4150fbed0e1828
Publikováno v:
IATSS Research, Vol 48, Iss 4, Pp 574-583 (2024)
In this paper, a corridor-level approach is used to network screen and analyze pedestrian and bicyclist crashes. This approach uses less data than site-level analyses while also considering the relationship between intersections and roadway segments.
Externí odkaz:
https://doaj.org/article/18301fdc1652478fbfb0adc064825690
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 11, Pp 247-259 (2024)
To accurately monitor the deformation patterns of rock masses in high-stress soft rock tunnels, a coiled optical fiber strain sensor was developed using optical time-domain reflectometry. The effects of spring diameter, pitch, number of turns, and co
Externí odkaz:
https://doaj.org/article/70e09d320e624d3f86a5d5281600bcd1
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-25 (2024)
Abstract Rock bursts in roadway groups of deep mining workfaces are more likely to occur due to concentrated static loads, posing significant threats to mining safety and efficiency. In this study, the coal mine roadway groups in western China are ta
Externí odkaz:
https://doaj.org/article/fde8164b5def4e418c54bc5eba82daec
Publikováno v:
Taiyuan Ligong Daxue xuebao, Vol 55, Iss 6, Pp 989-999 (2024)
[Purposes] This research is conducted to exploret the roof movement law of double roadway arrangement in thick coal seam and the abutment pressure distribution mechanism of surrounding rock. [Methods] The roof cuttings of single roadway in belt chann
Externí odkaz:
https://doaj.org/article/53c38fa004a44b70b9900cd38c5c538b