EA201201430A1 - METHOD FOR MONITORING AND DETERMINING THE DANGEROUS CONDITION OF THE MASSIF OF MOUNTAIN BREEDS UNDER UNDERGROUND MINING WORKS - Google Patents

METHOD FOR MONITORING AND DETERMINING THE DANGEROUS CONDITION OF THE MASSIF OF MOUNTAIN BREEDS UNDER UNDERGROUND MINING WORKS

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Publication number
EA201201430A1
EA201201430A1 EA201201430A EA201201430A EA201201430A1 EA 201201430 A1 EA201201430 A1 EA 201201430A1 EA 201201430 A EA201201430 A EA 201201430A EA 201201430 A EA201201430 A EA 201201430A EA 201201430 A1 EA201201430 A1 EA 201201430A1
Authority
EA
Eurasian Patent Office
Prior art keywords
rock
acoustic emission
determining
monitoring
rocks
Prior art date
Application number
EA201201430A
Other languages
Russian (ru)
Other versions
EA022596B1 (en
Inventor
Андрей Петрович Аверин
Олег Викторович Козлов
Валерий Николаевич Захаров
Original Assignee
Общество с ограниченной ответственностью "Инситу"
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 Общество с ограниченной ответственностью "Инситу" filed Critical Общество с ограниченной ответственностью "Инситу"
Priority to EA201201430A priority Critical patent/EA022596B1/en
Publication of EA201201430A1 publication Critical patent/EA201201430A1/en
Publication of EA022596B1 publication Critical patent/EA022596B1/en

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  • Geophysics And Detection Of Objects (AREA)

Abstract

Изобретение относится к геофизическим исследованиям горных пород, в частности к способам контроля и определения опасного состояния массива горных пород при подземных горных работах, при котором возбуждают акустическую эмиссию техногенным источником, регистрируют сигналы акустической эмиссии, обрабатывают полученные данные, по результатам обработки судят об опасном состоянии массива горных пород, и может быть использовано в горнодобывающей промышленности, прокладке тоннелей и других подземных работах. Согласно изобретению в качестве техногенного источника используют горную машину, производящую выработку. Дополнительно регистрируют сигналы акустической эмиссии от естественных источников массива горных пород. Обработка полученных данных производится с использованием изменения фрактальной размерности временного ряда акустической эмиссии, в котором определяют показатель фрактальной размерности и определяют скорость релаксации напряжений. При отклонении показателя фрактальной размерности от его стандартного значения для обследуемого массива горных пород судят о приближении момента опасного состояния массива горных пород, оценивают время до вероятного момента горного удара или обрушения. Достигаемый технический результат - повышение точности и достоверности определения момента возможного горного удара или обрушения массива горных пород при непрерывном мониторинге.The invention relates to geophysical studies of rocks, in particular to methods of monitoring and determining the dangerous state of an array of rocks during underground mining, in which excite acoustic emission by man-made source, record acoustic emission signals, process the data, the results of processing judge the dangerous state of the array rocks, and can be used in the mining industry, laying of tunnels and other underground works. According to the invention, a mining machine is used as a man-made source. Additionally, acoustic emission signals from natural sources of the rock mass are recorded. Processing of the obtained data is performed using the change in the fractal dimension of the time series of acoustic emission, in which the index of the fractal dimension is determined and the stress relaxation rate is determined. When the indicator of fractal dimension deviates from its standard value for the examined rock massif, an approximate moment of the dangerous state of the rock mass is judged; the time to the probable moment of a rock blow or collapse is estimated. Achievable technical result - improving the accuracy and reliability of determining the moment of possible rock bursts or collapse of the rock mass during continuous monitoring.

EA201201430A 2012-11-02 2012-11-02 Method of monitoring and determination of dangerous state of rocks during underground mining EA022596B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EA201201430A EA022596B1 (en) 2012-11-02 2012-11-02 Method of monitoring and determination of dangerous state of rocks during underground mining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EA201201430A EA022596B1 (en) 2012-11-02 2012-11-02 Method of monitoring and determination of dangerous state of rocks during underground mining

Publications (2)

Publication Number Publication Date
EA201201430A1 true EA201201430A1 (en) 2014-05-30
EA022596B1 EA022596B1 (en) 2016-01-29

Family

ID=50776730

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201201430A EA022596B1 (en) 2012-11-02 2012-11-02 Method of monitoring and determination of dangerous state of rocks during underground mining

Country Status (1)

Country Link
EA (1) EA022596B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114971338A (en) * 2022-06-07 2022-08-30 安徽理工大学 Method for evaluating suitability of pumped storage power station for construction of mine subsidence area and roadway group

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2744340C1 (en) * 2020-09-02 2021-03-05 Общество с ограниченной ответственностью "РАНК 2" Automatic system for deformation control of rock mass

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2046376C1 (en) * 1992-06-29 1995-10-20 Малое предприятие "Геоакустик" Rocks stressed states evaluation method
RU2090905C1 (en) * 1995-07-11 1997-09-20 Вычислительный центр Дальневосточного отделения РАН Method of geophysical control of rock mass
UA79827C2 (en) * 2005-05-04 2007-07-25 Lease Entpr O Zasiadko Mine Method for control of state of massif critical area of formation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114971338A (en) * 2022-06-07 2022-08-30 安徽理工大学 Method for evaluating suitability of pumped storage power station for construction of mine subsidence area and roadway group
CN114971338B (en) * 2022-06-07 2023-07-07 安徽理工大学 Suitability evaluation method for pumped storage power station for mine subsidence area and roadway group construction

Also Published As

Publication number Publication date
EA022596B1 (en) 2016-01-29

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MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG TJ TM

MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): RU