PL409987A1 - Method and the system for measurements of relative changes in concentration of stresses in front of the mining longwall face - Google Patents

Method and the system for measurements of relative changes in concentration of stresses in front of the mining longwall face

Info

Publication number
PL409987A1
PL409987A1 PL409987A PL40998714A PL409987A1 PL 409987 A1 PL409987 A1 PL 409987A1 PL 409987 A PL409987 A PL 409987A PL 40998714 A PL40998714 A PL 40998714A PL 409987 A1 PL409987 A1 PL 409987A1
Authority
PL
Poland
Prior art keywords
suppression
tomography
longwall
stress
speed
Prior art date
Application number
PL409987A
Other languages
Polish (pl)
Other versions
PL230218B1 (en
Inventor
Zbigniew Isakow
Marek Dworak
Adam Gołąbek
Original Assignee
Instytut Technik Innowacyjnych Emag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Instytut Technik Innowacyjnych Emag filed Critical Instytut Technik Innowacyjnych Emag
Priority to PL409987A priority Critical patent/PL230218B1/en
Priority to RU2015101765/03A priority patent/RU2604532C2/en
Priority to CN201480002445.1A priority patent/CN105765409B/en
Priority to PCT/PL2014/000124 priority patent/WO2015002557A2/en
Priority to UAA201501086A priority patent/UA118088C2/en
Publication of PL409987A1 publication Critical patent/PL409987A1/en
Publication of PL230218B1 publication Critical patent/PL230218B1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/003—Seismic data acquisition in general, e.g. survey design
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/30—Analysis
    • G01V1/303—Analysis for determining velocity profiles or travel times
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/10—Aspects of acoustic signal generation or detection
    • G01V2210/12—Signal generation
    • G01V2210/123—Passive source, e.g. microseismics
    • G01V2210/1236—Acoustic daylight, e.g. cultural noise
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/60—Analysis
    • G01V2210/61—Analysis by combining or comparing a seismic data set with other data
    • G01V2210/612—Previously recorded data, e.g. time-lapse or 4D
    • G01V2210/6122—Tracking reservoir changes over time, e.g. due to production
    • G01V2210/6124—Subsidence, i.e. upwards or downwards
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/60—Analysis
    • G01V2210/62—Physical property of subsurface
    • G01V2210/622—Velocity, density or impedance
    • G01V2210/6222—Velocity; travel time

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

Sposób pomiaru względnych zmian koncentracji naprężeń przed frontem ściany wydobywczej polega na tym, że serwer rejestrująco-sterujący (6) rejestruje sygnały pomiarowe drgań z zainstalowanych w chodnikach przyścianowych (A) trójskładowych geofonowych sond pomiarowych zorientowanych przestrzennie synchronicznie we wszystkich kanałach pomiarowych i w synchronizowanym interwale czasowym oraz w ścisłej korelacji z sygnałami informującymi o trybie pracy i o położeniu kombajnu ścianowego (15) w wyrobisku ścianowym (B) i na tej podstawie przy współpracy z serwerem przetwarzającym (10) lokalizuje zjawiska sejsmiczne. Z kolei po zakończeniu każdego skrawu przez kombajn ścianowy (15) dokonuje analizy względnych zmian naprężeń w caliźnie węglowej (C) przed frontem ściany wydobywczej metodą tomografii osłabieniowo - tłumieniowej z wykorzystaniem zarejestrowanych energii fali (FK). Natomiast po zakończeniu skrawu podczas postoju kombajnu ścianowego (15) dokonuje aktywnej tomografii prędkościowej lub tłumieniowej poprzez prześwietlanie górotworu pomiędzy chodnikami przyścianowymi (A) przy pomocy fal sejsmicznych (FS), po czym dokonuje analizy naprężeń metodą tomografii pasywnej prędkościowej i/lub tłumieniowej z wykorzystaniem jako źródła prześwietlającej fali sejsmicznej (FP). Następnie okresowo korzystnie kilka razy na zmianę wydobywczą sporządza uśrednioną skumulowaną mapę tomograficzną koncentracji względnych zmian naprężeń i/lub sporządza mapy z poszczególnych tomografii. Układ zawiera co najmniej sześć uniwersalnych modułów inicjacji i pomiaru drgań (1) usytuowanych w każdym z chodników przyścianowych (A), które połączone są iskrobezpiecznymi liniami transmisji cyfrowej (2) z lokalnym koncentratorem danych pomiarowych (3), który z kolei połączony jest z iskrobezpiecznym zasilaczem buforowym (4) oraz poprzez światłowodową sieć ETHERNET (5) z serwerem rejestrująco - sterującym (6) połączonym z kopalnianym system dyspozytorskim (7), z modułem globalnego pozycjonowania satelitarnego (8), z modułem wyznacznika czasu wewnętrznego (9) oraz z serwerem przetwarzającym (10). Z kolei do serwera przetwarzającego (10) podłączony jest panel wizualizacji tomografii skumulowanej (14) i korzystnie panel wizualizacji aktywnej tomografii osłabieniowo - tłumieniowej (11), panel wizualizacji aktywnej tomografii prędkościowej lub tłumieniowej (12), panel wizualizacji tomografii pasywnej prędkościowej lub tłumieniowej (13).The method of measuring relative changes in stress concentration in front of the mining wall is based on the fact that the registration and control server (6) records the vibration measurement signals from the three-component geophone measurement probes installed in the wall walkways (A) synchronously spatially oriented in all measurement channels and in a synchronized time interval, and in close correlation with signals informing about the operating mode and location of the longwall shearer (15) in the longwall (B) and on this basis, in cooperation with the processing server (10), locates seismic phenomena. In turn, after each cut is completed by a shearer (15), it analyzes the relative changes in stress in the coal plain (C) in front of the mining wall by the method of attenuation and suppression tomography using recorded wave energy (FK). On the other hand, after the cutting process when the shearer stops (15), it performs active speed or suppression tomography by X-raying the rock mass between longwall galleries (A) using seismic waves (FS), and then performs stress analysis using the method of passive speed and / or suppression tomography sources of translucent seismic wave (FP). Then, periodically, preferably several times per mining shift, it prepares an average cumulative tomographic map of the concentration of relative stress changes and / or prepares maps from individual tomographies. The system contains at least six universal initiation and vibration measurement modules (1) located in each of the longwall walkways (A), which are connected by intrinsically safe digital transmission lines (2) with the local measurement data concentrator (3), which in turn is connected to intrinsically safe buffer power supply (4) and through the fiber optic ETHERNET network (5) with a recording and control server (6) connected to the mine dispatcher system (7), with a global satellite positioning module (8), with an internal time indicator module (9) and with a server processors (10). In turn, the processing server (10) is connected to a cumulative tomography visualization panel (14) and preferably an active suppression and suppression tomography visualization panel (11), an active speed or suppression tomography visualization panel (12), a speed or suppressive tomography visualization panel (13) ).

PL409987A 2014-10-30 2014-10-30 Method and the system for measurements of relative changes in concentration of stresses in front of the mining longwall face PL230218B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PL409987A PL230218B1 (en) 2014-10-30 2014-10-30 Method and the system for measurements of relative changes in concentration of stresses in front of the mining longwall face
RU2015101765/03A RU2604532C2 (en) 2014-10-30 2014-10-31 Method of stress concentration relative changes measuring in front of mining face front
CN201480002445.1A CN105765409B (en) 2014-10-30 2014-10-31 For measuring the method and system for the opposite variation that the stress in front of longwell is concentrated
PCT/PL2014/000124 WO2015002557A2 (en) 2014-10-30 2014-10-31 Method and system for measuring relative changes in stress concentration in front of a longwall
UAA201501086A UA118088C2 (en) 2014-10-30 2014-10-31 Method and system for measuring relative changes in stress concentration in front of a longwall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL409987A PL230218B1 (en) 2014-10-30 2014-10-30 Method and the system for measurements of relative changes in concentration of stresses in front of the mining longwall face

Publications (2)

Publication Number Publication Date
PL409987A1 true PL409987A1 (en) 2016-05-09
PL230218B1 PL230218B1 (en) 2018-10-31

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PL409987A PL230218B1 (en) 2014-10-30 2014-10-30 Method and the system for measurements of relative changes in concentration of stresses in front of the mining longwall face

Country Status (5)

Country Link
CN (1) CN105765409B (en)
PL (1) PL230218B1 (en)
RU (1) RU2604532C2 (en)
UA (1) UA118088C2 (en)
WO (1) WO2015002557A2 (en)

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CN106291702A (en) * 2016-10-17 2017-01-04 中国矿业大学 A kind of Time-lapse Seismic Monitoring method of mining areas of mine area of stress concentration
CN107091089B (en) * 2017-07-04 2019-01-11 中国矿业大学 Automatic lifting of shearer device and method based on coalcutter focus forward probe
CN108956933B (en) * 2017-08-25 2023-07-14 山东科技大学 Method and device for simulating reverse fault formation in laboratory
CN110261901B (en) * 2019-06-10 2020-06-23 武汉大学 Deep rock mass rockburst intensity evaluation method based on induced vibration
CN111413735B (en) * 2020-05-11 2022-08-26 安徽理工大学 Coal face rapid earthquake transmission chromatography method capable of simultaneously exciting multiple seismic sources
CN111812714B (en) * 2020-06-08 2022-11-15 中煤科工集团西安研究院有限公司 Coal seam longitudinal and transverse wave velocity obtaining method based on refracted longitudinal waves and high-frequency trough waves
RU2768768C1 (en) * 2021-06-02 2022-03-24 Федеральное государственное автономное образовательное учреждение высшего образования "Белгородский государственный национальный исследовательский университет" (НИУ "БелГУ") Method for determining the stress state of rock formations
CN113779789B (en) * 2021-09-06 2022-06-21 重庆大学 Intelligent working face overlying rock stress sensing method based on support dynamic pressure difference index
CN114089438B (en) * 2021-10-27 2024-05-28 中矿中和智能地质工程(江苏)研究院有限公司 Intelligent monitoring system for coal mine land survey prevention and control water

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Also Published As

Publication number Publication date
WO2015002557A3 (en) 2015-09-11
RU2015101765A (en) 2016-08-27
WO2015002557A2 (en) 2015-01-08
CN105765409A (en) 2016-07-13
CN105765409B (en) 2019-07-12
RU2604532C2 (en) 2016-12-10
PL230218B1 (en) 2018-10-31
UA118088C2 (en) 2018-11-26

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