GB2253707B - Strata movement indicator - Google Patents

Strata movement indicator

Info

Publication number
GB2253707B
GB2253707B GB9105296A GB9105296A GB2253707B GB 2253707 B GB2253707 B GB 2253707B GB 9105296 A GB9105296 A GB 9105296A GB 9105296 A GB9105296 A GB 9105296A GB 2253707 B GB2253707 B GB 2253707B
Authority
GB
United Kingdom
Prior art keywords
movement indicator
strata movement
strata
indicator
movement
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9105296A
Other versions
GB9105296D0 (en
GB2253707A (en
Inventor
Alan Stuart Bloor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents Ltd
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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB9105296A priority Critical patent/GB2253707B/en
Publication of GB9105296D0 publication Critical patent/GB9105296D0/en
Publication of GB2253707A publication Critical patent/GB2253707A/en
Application granted granted Critical
Publication of GB2253707B publication Critical patent/GB2253707B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/007—Measuring stresses in a pipe string or casing
    • 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
    • E21F17/18—Special adaptations of signalling or alarm devices
    • E21F17/185—Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence
GB9105296A 1991-03-13 1991-03-13 Strata movement indicator Expired - Fee Related GB2253707B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9105296A GB2253707B (en) 1991-03-13 1991-03-13 Strata movement indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9105296A GB2253707B (en) 1991-03-13 1991-03-13 Strata movement indicator

Publications (3)

Publication Number Publication Date
GB9105296D0 GB9105296D0 (en) 1991-04-24
GB2253707A GB2253707A (en) 1992-09-16
GB2253707B true GB2253707B (en) 1994-09-28

Family

ID=10691490

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9105296A Expired - Fee Related GB2253707B (en) 1991-03-13 1991-03-13 Strata movement indicator

Country Status (1)

Country Link
GB (1) GB2253707B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105258967A (en) * 2015-11-05 2016-01-20 攀钢集团矿业有限公司 Calibration device for underground ore drawing test

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268809B (en) * 1992-07-15 1995-06-21 Coal Ind Strata movement indicator
GB2302951A (en) * 1995-07-01 1997-02-05 Rock Mechanics Technology Ltd Strata movement indicator
US5931606A (en) * 1997-05-02 1999-08-03 Ingersoll-Rand Company Stabilizer length coding system
GB2347511A (en) 1999-03-04 2000-09-06 Rock Mechanics Technology Ltd Strata movement indicator
CZ20032084A3 (en) * 2003-07-31 2005-03-16 Jindřich Ing. Zeman Kit for measuring linear strains of materials
RU2485314C1 (en) * 2011-11-24 2013-06-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования (ФГБОУ ВПО) Московский государственный горный университет (МГГУ) Method to determine variation of stressed condition of rock massif
CN102788575B (en) * 2012-08-29 2015-09-16 中国电建集团中南勘测设计研究院有限公司 The movable anchor block assembly that falls to hang down
CN104344785B (en) * 2014-11-12 2017-01-25 河南理工大学 Device for automatically testing amount of fine deformation of coal bed
RU2566885C1 (en) * 2014-11-28 2015-10-27 Федеральное государственное бюджетное учреждение науки ИНСТИТУТ ПРОБЛЕМ КОМПЛЕКСНОГО ОСВОЕНИЯ НЕДР РОССИЙСКОЙ АКАДЕМИИ НАУК (ИПКОН РАН) Evaluation of structurally deformed and rock-bump rock masses
RU2679206C1 (en) * 2018-04-05 2019-02-06 федеральное государственное бюджетное образовательное учреждение высшего образования "Кузбасский государственный технический университет имени Т.Ф. Горбачева" (КузГТУ) Method of imitation of mining pressure displays in developments on models from equivalent materials
RU2687817C1 (en) * 2018-10-01 2019-05-16 федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный университет" Method of monitoring the development of a zone of water-conducting cracks over a mined space on reservoir deposits
RU188601U1 (en) * 2018-10-22 2019-04-17 Федеральное государственное бюджетное учреждение науки Федеральный исследовательский Центр "Карельский научный центр Российской академии наук" Device for measuring the displacement of the roof of mine workings
RU2738633C1 (en) * 2020-06-08 2020-12-15 федеральное государственное бюджетное образовательное учреждение высшего образования «Санкт-Петербургский горный университет» Method for monitoring development of swelling actions caused by construction of inclined underground mines, passed with freezing of soils
RU2761081C1 (en) * 2021-05-19 2021-12-03 Федеральное государственное автономное образовательное учреждение высшего образования "Белгородский государственный национальный исследовательский университет" (НИУ "БелГУ") Device for measuring deformations on the walls of a mine
RU2763565C1 (en) * 2021-07-07 2021-12-30 федеральное государственное бюджетное образовательное учреждение высшего образования «Санкт-Петербургский горный университет» Device for assessing the stress-deformed state of a mining mass

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3538608A (en) * 1967-11-01 1970-11-10 Kenneth E Bronson Ground settlement indicating apparatus
GB1318344A (en) * 1969-07-19 1973-05-31 Cobb Slater Instr Co Ltd Strata control indicator
GB1453260A (en) * 1974-05-30 1976-10-20 Bergwerksverband Gmbh Tiebar strain gauge and measuring system
US4514905A (en) * 1983-09-26 1985-05-07 Union Oil Company Of California Convergence extensometer for measuring mine roof subsidence

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3538608A (en) * 1967-11-01 1970-11-10 Kenneth E Bronson Ground settlement indicating apparatus
GB1318344A (en) * 1969-07-19 1973-05-31 Cobb Slater Instr Co Ltd Strata control indicator
GB1453260A (en) * 1974-05-30 1976-10-20 Bergwerksverband Gmbh Tiebar strain gauge and measuring system
US4514905A (en) * 1983-09-26 1985-05-07 Union Oil Company Of California Convergence extensometer for measuring mine roof subsidence

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105258967A (en) * 2015-11-05 2016-01-20 攀钢集团矿业有限公司 Calibration device for underground ore drawing test

Also Published As

Publication number Publication date
GB9105296D0 (en) 1991-04-24
GB2253707A (en) 1992-09-16

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050313