Results 111 to 120 of about 597,919 (179)

Research on Deformation Mechanisms and Control Technology for Floor Heave in Deep Dynamic Pressure Roadway

Under deep, high-intensity mining conditions, a high mineral pressure develops at the working face, which can easily cause floor heave deformation of the roadway.
Haojie Xue, Ancheng Wang, Jie Wang, Jiantao Zhang, Yubing Huang, Kuoxing Li, Chong Zhang   +6 more
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Technical Services Branch, Traffic-Roadway Section

, 2013
This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.Mode of access: Internet from the Oregon Government ...

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Optimal parameters of roadway supports for water prevention based on the FFA algorithm. [PDF]

PLoS One
Xu C.
europepmc   +1 more source

Asymmetric deformation law and differentiated control technique for the roadway of an isolated working face in an extra-thick coal seam. [PDF]

Sci Rep
Wu H, Gong P, Zhao T, Bai L, Yan J, Liu A.   +5 more
europepmc   +1 more source

Structural characteristics of double layer hard roof and effects on coal pillar and roadway stability. [PDF]

iScience
Li H, Liu C, Liu H, Chen Y, Wu F.
europepmc   +1 more source

A multi-field coupled model for gas migration in high-temperature coal seams considering fracture zones and fracture roughness. [PDF]

PLoS One
Jiang S, Zhang M.
europepmc   +1 more source

Mechanism and control strategies of asymmetric floor heave under dynamic pressure in roof-cutting gob-side entry retaining: a case study. [PDF]

Sci Rep
Wang H, Liu K, Shao Z, Yang D, Zhang S, Wang S, Guo Z.   +6 more
europepmc   +1 more source

Roadway Safety Institute News (Fall 2015, vol. 2, no. 4)

, 2015
Articles include: Strategic safety plan sets direction for state efforts; Examining how drivers adapt to safety systems designed to help them; Helping people with visual impairment find their way; Researcher Spotlight: Daniel Work; Researcher Spotlight ...
Roadway Safety Institute (RSI)
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Mechanistic study and control of coal pillar deformation and failure in gob-side roadways with extra-thick seams and hard roof. [PDF]

Sci Rep
Zhou J, Shen Q, Li C, Jin H, Liu Y, Jiang H, Zhou T, Li C, Wang B.   +8 more
europepmc   +1 more source

Evaluation of R1-6 gateway treatment alternatives for pedestrian crossings : follow-up report : final report.

DTRT13-G-UTC35Monthly follow-up data confirmed that permanent in roadway installations of the R1-6 gateway treatment led to anincrease in the percentage of drivers yielding to pedestrians at midblock and multilane urban and suburban locationsfrom 15% to ...
Van Houten, Ron, Western Michigan University, Hochmuth, Jonathan   +2 more
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