Results 171 to 180 of about 2,891 (238)

Study on Filling Support Design and Ground Pressure Monitoring Scheme for Gob-Side Entry Retention by Roof Cutting and Pressure Relief in High-Gas Thin Coal Seam. [PDF]

Int J Environ Res Public Health, 2022
Li H, Zu H, Zhang K, Qian J.
europepmc   +1 more source

Research and application on the "multi-layer" filling body with foamed expansion filling material for gob-side entry retaining gateway. [PDF]

Sci Rep
Zhao L, Han Y, Li X, Wang S, Jing G, Yu Z.   +5 more
europepmc   +1 more source

Preliminary Design and On-Site Testing Methodology of Roof-Cutting for Entry Retaining in Underground Coal Mine. [PDF]

Sensors (Basel), 2023
Chen Y, Zhang Z, Bao S, Yang H, Shi M, Cao C.   +5 more
europepmc   +1 more source

Research on the evolution law and control technology of deviatoric stress in the surrounding rock of gob-side entry retaining. [PDF]

Heliyon
Chen D, Wang X, Bai J, Zhao J, Zhou Q, Ji X.   +5 more
europepmc   +1 more source

Microstructure, Characterization and Mechanical Properties of Coal and Coal-like Materials. [PDF]

Materials (Basel), 2023
Liu X, Tan Y, Wu Y, Li X.
europepmc   +1 more source

Research on the technology of uniformly injecting nitrogen into the porous long pipes in the gob of the gob-side entry retaining mining mode with roof cutting and pressure relief. [PDF]

Sci Rep
Jing Z, Zhou X, Li Y, Bai G, Zhang S.
europepmc   +1 more source

Solid waste filling and roadway retaining for longwall mining by numerical investigation. [PDF]

Heliyon, 2023
Sun K, Huo Y, Li J, Guo F, Hao Y, Bai G, Wu Y, Wo X.   +7 more
europepmc   +1 more source

Legal and regulatory reform: impacts on private sector growth [PDF]

, 2000
Georgiev, Borislav, Yonkova, Assenka
core  

Axial Compressive Properties of Fiber-Reinforced Polymer-High-Water Material-Polyvinyl Chloride Plastic Double-Wall Hollow Column. [PDF]

Polymers (Basel), 2023
Yin H, Chen H, Hu H, Zhang L, Li H.
europepmc   +1 more source

Optimization analysis of layered materials of composite filling body beside gob-side entry retaining

Meitan kexue jishu
Along the hollow stay lane roadside filling body is divided into letting pressure layer and compression layer, letting pressure layer material should have the characteristics of large deformation, slow down the violent activities of the basic roof rock beam.
Zhenzhi LIU, Ping LIU, Chang LUO, Fangling GAO, Xinkang HUANG, Zhen CHEN   +5 more
openaire   +1 more source