Nothing Special   »   [go: up one dir, main page]

Zhen et al., 2019 - Google Patents

Comparative study on two types of nonpillar mining techniques by roof cutting and by filling artificial materials

Zhen et al., 2019

View PDF @Full View
Document ID
6182698978799942523
Author
Zhen E
Gao Y
Wang Y
Wang S
Publication year
Publication venue
Advances in Civil Engineering

External Links

Snippet

Gob‐side entry retaining is an environmentally friendly nonpillar mining technology with high efficiency and safety. With the continuous exploration of the gob‐side entry retained by filling (GERF) with roadside supports, the GERF has enabled nonpillar mining. However …
Continue reading at onlinelibrary.wiley.com (PDF) (other versions)

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Lay-outs therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/046—Directional drilling horizontal drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00—Testing foundations or foundation structures
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures

Similar Documents

Publication Publication Date Title
Li et al. Displacement characteristics of high-speed railway tunnel construction in loess ground by using multi-step excavation method
Yang et al. Study on presplitting blasting the roof strata of adjacent roadway to control roadway deformation
Coulter et al. Effect of jet-grouting on surface settlements above the Aeschertunnel, Switzerland
Zhen et al. Comparative study on two types of nonpillar mining techniques by roof cutting and by filling artificial materials
Fan et al. An innovative approach for gob‐side entry retaining in deep coal mines: a case study
Zhang et al. Spontaneous caving and gob-side entry retaining of thin seam with large inclined angle
Wu et al. Failure mechanism and stability control of surrounding rock in mining roadway with gentle slope and close distance
Liu et al. Mechanisms of floor heave in roadways adjacent to a goaf caused by the fracturing of a competent roof and controlling technology
Wu et al. Research on Plastic Zone Evolution Law of Surrounding Rock of Gob‐Side Entry Retaining under Typical Roof Conditions in Deep Mine
Liu et al. Stability analysis and monitoring method for the key block structure of the basic roof of noncoal pillar mining with automatically formed gob‐side entry
Shen et al. Research on novel method of gob-side entry retaining under the synergistic effect of roof cutting and roadside filling in thick coal seams
Wang et al. Study on surrounding rock failure mechanism and rational coal pillar width of the gob‐side coal roadway under influence of intense dynamic pressure
Shi et al. Research on key technologies of floor heave control in soft rock roadway
Yang et al. Research on the treatment technology of soft rock floor heave based on a model of pressure-relief slots
Hu et al. Presplitting blasting the roof strata to control large deformation in the deep mine roadway
Wang et al. Numerical Simulation of Mining‐Induced Damage in Adjacent Tunnels Based on FLAC3D
Yang et al. Study on reasonable roadway position of working face under strip coal pillar in rock burst mine
Yu et al. Innovative Control Technique for the Floor Heave in Goaf‐Side Entry Retaining Based on Pressure Relief by Roof Cutting
Ju et al. Study on Fracture and Stress Evolution Characteristics of Ultra‐Thick Hard Sandstone Roof in the Fully Mechanized Mining Face with Large Mining Height: A Case Study of Xiaojihan Coal Mine in Western China
Chen et al. “Relief‐Retaining” Control Technology of Floor Heave in Mining Roadway with Soft Rock: A Case Study
Wu et al. Study on the stage failure mechanism and stability control of surrounding rock of repeated mining roadway
Li et al. Research on surface failure law of working faces in large mining height and shallow buried coal seam
Wang et al. Novel Application of the Roof‐Cutting‐Type Gob‐Side Entry Retaining in Coal Mine
Shen et al. Theory and Application of Gob‐Side Entry Retaining in Thick Three‐Soft Coal Seam
Wang et al. Numerical analysis of the influence of foundation pit blasting on a nearby metro tunnel