CN109269396A - A kind of country rock inside vertical deformation measurement device and method - Google Patents

A kind of country rock inside vertical deformation measurement device and method Download PDF

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Publication number
CN109269396A
CN109269396A CN201811396650.7A CN201811396650A CN109269396A CN 109269396 A CN109269396 A CN 109269396A CN 201811396650 A CN201811396650 A CN 201811396650A CN 109269396 A CN109269396 A CN 109269396A
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CN
China
Prior art keywords
measurement
shell
module
country rock
vertical
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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.)
Pending
Application number
CN201811396650.7A
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Chinese (zh)
Inventor
李为腾
杨秀章
李秀明
李元振
管清升
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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Publication date
Application filed by Shandong University of Science and Technology filed Critical Shandong University of Science and Technology
Priority to CN201811396650.7A priority Critical patent/CN109269396A/en
Publication of CN109269396A publication Critical patent/CN109269396A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
    • G01B7/18Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance

Abstract

The invention discloses vertical deformations inside a kind of country rock to measure device and method, is made of housing module, measurement module, acquisition module;The housing module is made of shell, guide wheel, control carpenters square;The measurement module is made of resistance guide rail and vertical bar;The acquisition module can calculate and successively record each measurement angle.In use, the present invention enters the depth delta inside rock mass by the control carpenters square control device in housing module every times, each measurement angle is measured and recorded by measurement module and acquisition module, using nozzle as origin, calculates every ΔsSection distal point coordinate, is successively smoothly connected each coordinate points, just obtains the shape of vertical deformation axis inside country rock.The present invention is at low cost, and principle is simple, can be widely applied to deformation in surrounding rock and measures field.

Description

A kind of country rock inside vertical deformation measurement device and method
Technical field
The present invention relates to deformation in surrounding rock to measure field, is more particularly to a kind of country rock inside vertical deformation measurement device And method.
Background technique
With Chinese society expanding economy, tunnel, subway, underground mine etc. build more and more, more engineering departments In geological conditions complicated and changeable, excavation, the support issues faced therewith are also more and more prominent, and accurate measure becomes inside country rock Shape holds deformation in surrounding rock rule, is the important evidence for carrying out design of its support, extremely important for engineering safety.
Currently, measuring field in deformation in surrounding rock, the method for use mainly has Rock And Soil battering methods, and Rock And Soil is surveyed Instrument and equipment in oblique technology mostly uses inclinometer, as Chinese patent 201621436657.3 discloses a kind of geotechnical engineering deviational survey Pipe, but inclinometer pipe can only measure the horizontal displacement inside Rock And Soil.
Summary of the invention
In view of the above deficiencies, the present invention provides vertical deformations inside a kind of country rock to measure device and method, can measure Vertical deformation inside country rock.Tube body is first placed in inside rock mass before using this device, is provided in tube body perpendicular up and down Two confronting grooves, two groove lines cross tube body sectional axis, thus guarantee the device be inserted into tube body when it is in a vertical state, then The deformation of the tube body in perpendicular is measured using this device, reflects vertical deformation inside country rock indirectly.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of country rock inside vertical deformation measurement device and method, it is characterised in that: by housing module, measurement module, acquisition mould Block is constituted.
Further, the housing module is made of shell, guide wheel, control carpenters square.The shell is the shell of certain degree of hardness Body, outer cover height are equal to internal diameter of tube body, and width is equal to tube body recess width, and length can be made as needed;The control (when measurement the side outside) connection on the right side of carpenters square and shell, junction is 0 graduation mark, and control carpenters square control device enters depth;Institute The guide wheel stated is connect with shell exterior using the elastic support that can be stretched up and down, and each installation is a pair of up and down outside the shell, is being protected Demonstrate,prove the device it is in a vertical state in groove while, be further ensured that the device can be passed through in rock mass deformation.
Further, the measurement module is made of resistance guide rail and vertical bar.The resistance guide rail is by uniform Semicircular arc structure made of resistance, radius arerAnd opening upwards are installed on enclosure interior, both ends are respectively connected to table on shell Two, face short side midpoint;The vertical bar is made of thin bar and weight, and thin bar and weight are made of insulating material, vertical Bar upper end and shell are connected by fixed-hinged support, and junction is the shell position at resistance guide rail two end point connecting line center, thus So that vertical bar can only be freely rotated in perpendicular;The weight is connect with thin bar lower end, to guarantee vertical bar one It is directly in vertical state, weight is equipped with copper sheet, and copper sheet contacts always with resistance guide rail.
Further, there are power supply and associated processing device inside the acquisition module and draw two conducting wires outward, one Root and above-mentioned resistance guide rail one end (when measurement the end outside) are connect, and another is connected with copper sheet on weight, with device with The variation of vertical direction angle, the arc length for being connected into resistance guide rail between two tie point of conducting wire change, and acquisition module can react Resistance between two tie point of conducting wireRSize, and because resistance guide rail be the uniform guide rail of resistance, go out same size through measuring The length of unit of resistance resistance isk, to obtain resistance rail length between two tie point of conducting wirel=kR, to further find out Vertical bar and crust of the device length direction (i.e. tube body position length direction) angleθ=π-kR/r, which is the tube body survey The angle of position and vertical direction is measured, acquisition module can successively record measurement angle every time.
A kind of country rock inside vertical deformation measurement device, can use according to the following steps:
(1) it needs to be placed in inside measurement position with reeded tube body in rock mass;
(2) it is aligned guide wheel center after device with nozzle along groove push-in tube body above-mentioned apparatus when measuring, acquisition module note Record first time angleθ 1
(3) then the device is continued to be pushed into tubular body using a soft bar, control it every time by control carpenters square is into depth The distance between the device ipsilateral front and back guide wheel center Δs, every to enter a Δs, acquisition module record is onceθ i (θ i It isiIt is secondary The angle of measurement);
(4) continue to promote to tubular body, until device enters tube body bottom end, then according to each measurement record outputθ i , The shape after tube body deforms in perpendicular further can be obtained by following manner: with tube body outermost end nozzle for original Point, then every ΔsSection distal point coordinate are as follows: (x i , y i ), whereinx i =x 1+x 2+···+x i-1 +Δs·sinθ i ,y i =y 1+y 2 +···+y i-1s·cosθ i (θ i It isiThe angle of secondary measurement,x 0=0,y 0=0), then successively it is smoothly connected each seat Punctuate, obtained is exactly the shape of vertical deformation axis inside country rock.
The device and method of vertical deformation, feature inside a kind of country rock of the present invention are as follows:
(1) present invention can be measured in different moments, vertical deformation axis inside different moments country rock be obtained, to obtain Vertical deformation changes with time rule inside country rock;
(2) apparatus of the present invention size can be adjusted as needed, wheelspan ΔsSmaller, acquired results precision is higher;
(3) present invention can also be used in vertical deformation measurement inside hollow anchor bar, thus the case where obtaining anchor pole vertical deformation;
(4) present invention can be also used for other interior of articles vertical deformations such as concrete structure measurement, when being made into smaller szie It can also be used in the measurement of vertical deformation inside model in geomechanical model test.
Detailed description of the invention
The schematic diagram that Fig. 1 is apparatus of the present invention shell when being cuboid;
Fig. 2 is apparatus of the present invention and tube body groove location figure;
Fig. 3 is principle of the invention figure;
Fig. 4 is axis form fit figure.
Marginal data: 1- shell;2- guide wheel;3- controls carpenters square;4- resistance guide rail;5- vertical bar;6- acquisition module;7- is led Line.
Specific embodiment
The present invention provides vertical deformations inside a kind of country rock to measure device and method, to make the purpose of the present invention, technology Scheme and effect are clearer, clear, and below in conjunction with attached drawing, detailed description of the preferred embodiments.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, vertical deformation measures device and method inside a kind of country rock, it is characterised in that: It is made of housing module, measurement module, acquisition module 6.
Further, the housing module is made of shell 1, guide wheel 2, control carpenters square 3.The shell 1 is certain degree of hardness Shell, 1 height of shell is equal to internal diameter of tube body, and width is equal to tube body recess width, and length can be made as needed;It is described Control carpenters square 3 and the right side of shell 1 (when measurement the side outside) connection, junction is 0 graduation mark, and control carpenters square control device enters depth Degree;The guide wheel 2 is connect with outside shell 1 using the elastic support that can be stretched up and down, each installation one up and down outside shell 1 It is right, while guaranteeing that the device is in a vertical state in groove, it is further ensured that the device can be smooth in rock mass deformation Pass through.
Further, the measurement module is made of resistance guide rail 4 and vertical bar 5.The resistance guide rail 4 is by equal Semicircular arc structure, radius made of even resistance arerAnd opening upwards are installed on enclosure interior, both ends are respectively connected on shell Two, surface short side midpoint;The vertical bar 5 is made of thin bar and weight, and thin bar and weight are made of insulating material, 5 upper end of vertical bar is connect with shell 1 by fixed-hinged support, and junction is the shell position at resistance guide rail two end point connecting line center It sets, so that vertical bar can only be freely rotated in perpendicular;The weight is connect with thin bar lower end, to guarantee lead Plumbing bar 5 is constantly in vertical state, and weight is equipped with copper sheet, and copper sheet contacts always with resistance guide rail 4.
Further, there are power supply and associated processing device inside the acquisition module 6 and draw two conducting wires 7 outward, One connect with above-mentioned 4 one end of resistance guide rail (when measurement the end outside), and another is connected with copper sheet on weight, with device With the variation of vertical direction angle, the arc length for being connected into resistance guide rail between two conducting wires, 7 tie point changes, and acquisition module 6 can React resistance between two conducting wires, 7 tie pointRSize, and because resistance guide rail 4 be the uniform guide rail of resistance, go out phase through measuring The length of same specification resistor stripe unit resistance isk, to obtain resistance rail length between two conducting wires, 7 tie pointl=kR, thus Further find out vertical bar 5 and 1 length direction of crust of the device (i.e. tube body position length direction) angleθ=π-kR/r, the angle The as angle of tube body measurement position and vertical direction, acquisition module 6 can successively record measurement angle every time.
The present invention also provides the methods that vertical deformation inside a kind of country rock measures device, can use according to the following steps:
(1) it needs to be placed in inside measurement position with reeded tube body in rock mass;
(2) it is aligned guide wheel center after device with nozzle along groove push-in tube body above-mentioned apparatus when measuring, acquisition module note Record first time angleθ 1
(3) then the device is continued to be pushed into tubular body using a soft bar, control it by control carpenters square 3 is into depth every time The distance between the device ipsilateral front and back guide wheel center Δs, every to enter a Δs, acquisition module 6 records onceθ i (θ i It isi The angle of secondary measurement);
(4) continue to promote to tubular body, until device enters tube body bottom end, then according to each measurement record outputθ i , The shape after tube body deforms in perpendicular further can be obtained by following manner: with tube body outermost end nozzle for original Point, then every ΔsSection distal point coordinate are as follows: (x i , y i ), whereinx i =x 1+x 2+…+x i-1 +Δs·sinθ i ,y i =y 1+y 2 +… +y i-1s·cosθ i (θ i It isiThe angle of secondary measurement,x 0=0,y 0=0, then successively it is smoothly connected each coordinate points, gained What is arrived is exactly the shape of vertical deformation axis inside country rock.

Claims (4)

1. vertical deformation measures device and method inside a kind of country rock, it is characterised in that: by housing module, measurement module, acquisition Module composition;The housing module is made of shell, guide wheel, control carpenters square;The measurement module is by resistance guide rail and vertical Bar is constituted.
2. vertical deformation measures device and method inside country rock as described in claim 1, it is characterised in that: the shell is one Determine the shell of hardness;The guide wheel is connect with shell exterior using elastic support;(measurement on the right side of the control carpenters square and shell When the side outside) connection, junction be 0 graduation mark;The resistance guide rail is the semicircular arc structure made of even resistance, Its radius isrAnd opening upwards are installed on enclosure interior;The vertical bar is made of thin bar and weight, thin bar and weight by Insulating materials is made, and vertical bar upper end and shell are connected by fixed-hinged support, and junction is resistance guide rail two end point connecting line center The shell position at place;The weight is connect with thin bar lower end, and weight is equipped with copper sheet, and copper sheet connects with the resistance guide rail moment Touching.
3. vertical deformation measures device and method inside country rock as described in claim 1, it is characterised in that: the acquisition mould Block draws two conducting wires outward, and one connect with above-mentioned resistance guide rail one end (when measurement the end outside), another on weight Copper sheet is connected.
4. vertical deformation measures device and method inside country rock as described in claim 1, application method the following steps are included:
(1) it needs to be placed in inside measurement position with reeded tube body in rock mass;
(2) it is aligned guide wheel center after device with nozzle along groove push-in tube body above-mentioned apparatus when measuring, acquisition module note Record first time angleθ 1
(3) then the device is continued to be pushed into tubular body using a soft bar, control it every time by control carpenters square is into depth The distance between the device ipsilateral front and back guide wheel center Δs, every to enter a Δs, acquisition module record is onceθ i (θ i It isiIt is secondary The angle of measurement);
(4) continue to promote to tubular body, until device enters tube body bottom end, then according to each measurement record outputθ i , into The shape after following manner can obtain tube body deformation in perpendicular of one step: using tube body outermost end nozzle as origin, Then every ΔsSection distal point coordinate are as follows: (x i , y i ), whereinx i =x 1+x 2+···+x i-1 +Δs·sinθ i ,y i =y 1+y 2 +···+y i-1s·cosθ i (θ i It isiThe angle of secondary measurement,x 0=0,y 0=0), then successively it is smoothly connected each seat Punctuate, obtained is exactly the shape of vertical deformation axis inside country rock.
CN201811396650.7A 2018-11-22 2018-11-22 A kind of country rock inside vertical deformation measurement device and method Pending CN109269396A (en)

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Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
CN109269396A true CN109269396A (en) 2019-01-25

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1525147A (en) * 2003-02-28 2004-09-01 Level indicator for a vehicle fuel tank
CN102519427A (en) * 2011-12-16 2012-06-27 石家庄铁道大学 Method for observing settlement of full section of widened roadbed
CN202928559U (en) * 2012-11-14 2013-05-08 江苏省交通科学研究院股份有限公司 Metro running tunnel settlement observation device
CN103486954A (en) * 2013-09-24 2014-01-01 内蒙古科技大学 Coal mine roadway deformation measuring device and method
CN103901180A (en) * 2014-03-25 2014-07-02 中冶集团武汉勘察研究院有限公司 Method for indirectly obtaining stress and deformation state of underground roadway surrounding rock
CN204831963U (en) * 2015-07-13 2015-12-02 昆明理工大学 Measurement device for slurry angle of slide and angle of repose
CN106401651A (en) * 2016-11-07 2017-02-15 中国矿业大学 Total-tunnel total-process full-section surface deformation monitoring device and method
DE102016111881A1 (en) * 2016-06-29 2018-01-04 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Measuring sensor for measuring deformations and brake with such a sensor
CN107655456A (en) * 2017-10-16 2018-02-02 广州市建设工程质量安全检测中心 A kind of high-precision pendulum resistance-type inclination measurement device for being used to monitor and method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1525147A (en) * 2003-02-28 2004-09-01 Level indicator for a vehicle fuel tank
CN102519427A (en) * 2011-12-16 2012-06-27 石家庄铁道大学 Method for observing settlement of full section of widened roadbed
CN202928559U (en) * 2012-11-14 2013-05-08 江苏省交通科学研究院股份有限公司 Metro running tunnel settlement observation device
CN103486954A (en) * 2013-09-24 2014-01-01 内蒙古科技大学 Coal mine roadway deformation measuring device and method
CN103901180A (en) * 2014-03-25 2014-07-02 中冶集团武汉勘察研究院有限公司 Method for indirectly obtaining stress and deformation state of underground roadway surrounding rock
CN204831963U (en) * 2015-07-13 2015-12-02 昆明理工大学 Measurement device for slurry angle of slide and angle of repose
DE102016111881A1 (en) * 2016-06-29 2018-01-04 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Measuring sensor for measuring deformations and brake with such a sensor
CN106401651A (en) * 2016-11-07 2017-02-15 中国矿业大学 Total-tunnel total-process full-section surface deformation monitoring device and method
CN107655456A (en) * 2017-10-16 2018-02-02 广州市建设工程质量安全检测中心 A kind of high-precision pendulum resistance-type inclination measurement device for being used to monitor and method

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Application publication date: 20190125