CN108060942A - A kind of roadway surrounding rock destroys the anchor pole rope method for protecting support of monitoring - Google Patents
A kind of roadway surrounding rock destroys the anchor pole rope method for protecting support of monitoring Download PDFInfo
- Publication number
- CN108060942A CN108060942A CN201711309751.1A CN201711309751A CN108060942A CN 108060942 A CN108060942 A CN 108060942A CN 201711309751 A CN201711309751 A CN 201711309751A CN 108060942 A CN108060942 A CN 108060942A
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- China
- Prior art keywords
- tunnel
- anchor
- anchor pole
- surrounding rock
- roadway surrounding
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Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/02—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection having means for indicating tension
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/02—Agriculture; Fishing; Mining
Abstract
The anchor pole rope method for protecting support monitored is destroyed the invention discloses a kind of roadway surrounding rock, including：Multiple tunnels is set to drill in tunnel, and the interior setting displacement sensor that drills in tunnel；Displacement data is collected by displacement sensor, the degree that is damaged in tunnel is judged by the installation position of displacement data combination displacement sensor；The tunnel obtained according to step 2) is damaged degree to tunnel implementation anchor pole rope supporting.Present invention utilizes based on deformation of the surrounding rock in tunnel accurate monitoring method, it may be determined that roadway surrounding rock plastic failure rock deformation, information is more accurately and timely.The method of the present invention can realize the intelligentized design of roadway support parameter, greatly facilitate the application of field personnel.
Description
Technical field
The invention belongs to back support technology field, more particularly to a kind of anchor pole rope supporting parameter design side
Method by deformation of the surrounding rock in tunnel field monitoring Data Analysis Services, reaches the mesh that anchor pole rope supporting parameter design is carried out to tunnel
's.
Background technology
Roadway surrounding rock, which destroys monitoring, can obtain the live actual information such as position, depth, scope of surrounding rock failure, great Liang Yan
Study carefully the result shows that, deformation of the surrounding rock in tunnel destroy be substantially as caused by the formation and development of plastic zone of surrounding rock, plastic zone it is several
What form and scope determine the failure mode and degree of country rock.The failure and deformation of surrounding rocks rule for grasping such tunnel in detail is lane
Road carries out the premise and key of anchor pole rope supporting.Traditional supporting roadway surrounding rock design is mostly using engineering analog method or by special
The similitude that family's experience is made between engineering judges or the inductive generalization rock mass characteristics by way of Classification of Engineering Rocks, however
Targetedly roadway support design is up for further solving.Supporting for tunnel is to obtain reliable tunnel plasticity first
Deformation information, but in the prior art and there is no quick and precisely obtain the mode of this information.Deformation of the surrounding rock in tunnel monitors
Main at present to use in underground gathered data, ground carries out reprocessing analysis or data is transmitted directly to ground, it is necessary to weight
New called data is analyzed, and data analysis by absciss layer also mostly to be analyzed based on Drift stability, the hysteresis quality of existence time,
It can not ensure the real-time, comprehensive of analysing content.
Patent document CN107246886A, which is disclosed, a kind of can press ore deposit signal transmitting, accurate demodulation, real-time display
The pressure signal real-time visual demodulating system of the ore deposit based on Fibre Optical Sensor and demodulation method presented with visualization, including based on light
The ore deposit pressure signal real-time visual demodulating system and demodulation method of fibre sensing, ore deposit pressure signal real-time visual demodulation system
System：Including ore deposit pressure signal acquisition subsystem, optical signal transmission subsystem, photoelectric signal transformation subsystem and digital signal visualization
Processing subsystem；Ore deposit pressure signal acquisition subsystem, optical signal transmission subsystem, photoelectric signal transformation subsystem and digital signal can
It is linked in sequence depending on changing processing subsystem；Photoelectric signal transformation subsystem and digital signal visualization processing subsystem are located on well；
Ore deposit pressure signal acquisition subsystem is connected with optical signal transmission subsystem by optical fiber, and positioned at underground.This method is measurement ore deposit
The method for pressing monitoring is mainly used to dynamometry, and monitoring unit is in units of a drilling or a section, is related on well
Data are carried out with the simple process of physical quantity, and graph can be obtained according to the data collected, side is pressed with for analysis ore deposit
It helps, but the destructive process of roadway surrounding rock can not be analyzed and destroy position, damage -form, and can not provide and build for supporting
View.
Patent document CN107328502A discloses a kind of anchor rod pallet board load visualization digital imaging method, including following
Step：
The first step：Pallet on the metope of tunnel is installed, then anchor pole is fixed at tray center position, does not apply pretightning force
When be defined as deformation before pallet, apply pretightning force after be defined as deformed pallet；
Second step：The first video camera and the second video camera are laid in both sides respectively on the central shaft of anchor rod pallet board, in pallet
And first lay first light source between video camera, and secondary light source is laid between pallet and the second video camera；
3rd step：System coordinates calibration is carried out using binocular stereo vision principle and Zhang Zhengyou plane references method；
4th step：Pallet before first light source, the deformation of secondary light source directive, forms speckle image in tray surface, uses
First video camera, the second video camera to formed speckle image pallet be observed, by speckle image a certain luminous point as
Plane coordinates is calculated, and obtains the three-dimensional coordinate of luminous point before deforming；
5th step：Pretightning force is applied to pallet so that pallet deforms, after first light source, the deformation of secondary light source directive
Anchor rod pallet board, form speckle image in tray surface, the speckle image before deformation and deformed speckle image carried out
Match somebody with somebody, the points of two width speckle images is determined to relation according to maximum correlation coefficient, so as to find in the 4th step luminous point after pallet deformation
Position；
6th step：After matching, the plane coordinates of the picture of luminous point in speckle image after deformation is calculated, draws change
The three-dimensional coordinate of luminous point after shape；
7th step：The difference between three-dimensional coordinate and deformed three-dimensional coordinate before deformation is the whole audience three of pallet
Tie up displacement；
8th step：On the reference picture drawn after pallet deformation, set centered on tested point with reference to sub-district, pass through son
The matched mode in area searches out its corresponding target sub-district on a reference, and the center of target sub-district is tested point
Correspondence position in the target image；For the displacement of each point in target sub-district displacement letter is obtained using least square fitting
Number, using this function as the functional value of target subregion central spot, strain value is obtained to the function derivation；
9th step：Another target sub-district is selected, the deformed strain value of pallet is calculated by the above process again, so
It repeats to obtain pallet whole audience strain value；
Tenth step：It is compared and is strained by the quick three-dimensional deformation analysis that front and rear three-dimensional space data is deformed to pallet
, stress field is obtained with reference to pallet bending stiffness, the real-time load of anchor pole is can obtain to stress field inverse integration.
Foregoing method is come data measured by stress inside the anchor pole of drilling and deflection, and monitoring unit is with one
A drilling or a rock-bolt length are unit, can only measure in the range of rock-bolt length (generally 2m or so) roadway surrounding rock and destroy
The stressing conditions of overall deformation and anchor pole, obtained data are cumulant.It can only be by roadway surrounding rock after being visualized
Country rock in the range of rock-bolt length is whole and deflection situation embodies, and runs into the larger place of roadway damage, the easy stress of anchor pole
It breaks so that measurement failure, parallel such method can not accurately measure the deflection of bore inner roadway surrounding rock, because of rockbolt stress
It will be deformed in hole.
Obvious, above-mentioned method can only calculate rockbolt stress and deformation there are it or can calculate drilling
The structural strain's amount of interior country rock, is limited at this time by rock-bolt length, can only test overall deformation in the range of rock-bolt length and by
Power situation, but can not learn the specific destruction location information for more fully destroying information and bore inner roadway surrounding rock, it is such
Method has certain limitation.
After above-mentioned information is obtained, for plastic deformation area, if targetedly supporting can be carried out, then gesture
The effect and reliability of supporting must can be improved, and reduces cost.
The content of the invention
Based on this, the present invention proposes a kind of method of field monitoring combination country rock anchor pole rope supporting software, realizes to tunnel
More targetedly anchor pole rope supporting parameter design.
It is an object of the present invention to provide a kind of roadway bolt rope supporting parameter design methods, and this method is to roadway surrounding rock
Control anchor pole rope supporting parameter design that there is stronger specific aim.
The present invention is accurate as far as possible to roadway surrounding rock internal sabotage situation using live tunnel real-time accurate monitoring data
It grasps, realizes that roadway surrounding rock control supporting parameter auxiliary is set with reference to the anchor pole rope supporting parameter design software that surrounding rock failure monitors
Meter.
The anchor pole rope supporting parameter design method that roadway surrounding rock provided by the invention destroys monitoring includes the steps：
1) multiple tunnels is set to drill in tunnel, and the interior setting displacement sensor that drills in tunnel；
2) displacement data is collected by displacement sensor, is judged by the installation position of displacement data combination displacement sensor
The degree that is damaged in tunnel；
3) tunnel obtained according to step 2) is damaged degree to tunnel implementation anchor pole rope supporting.
As a kind of better choice of the above method, the installation position of the tunnel drilling is section top and the section in tunnel
The two of bottom and tunnel help.
As a kind of better choice of the above method, the depth of the tunnel drilling is 4-10m.As better choice,
The depth of institute's displacement sensors is best for 6-10 meters of top plate, bottom plate and helps best for 4-6 meters.As the above method into one
The selection of step, the depth of institute's displacement sensors is best for 8 meters of top plate, bottom plate and helps best for 5 meters.
As a kind of better choice of the above method, institute's displacement sensors include multipoint displacement meter, grating, capacitive grating, magnetic
One or more in grid and thermal conductivity sensor.
As a kind of better choice of the above method, the number of the tunnel drilling set at section top, bottom is 3 or more,
It is 2 or more to help the underground drilling unit number of perforations set in section two.
As a kind of better choice of the above method, step 2) specifically comprises the following steps：
The roadway surrounding rock damage -form is to be calculated according to following manner：
Roadway surrounding rock is divided by several cell cubes according to the spacing that each displacement sensor is set, according to displacement result
Foregoing units body is marked, and will be attached labeled as the cell cube of destroyed, obtains the damage -form of roadway surrounding rock.
As a kind of better choice of the above method, step 3) specifically comprises the following steps：
The region being destroyed in tunnel sets anchor pole or anchor cable；
When tunnel type is mining induced roadway, coal wall side in tunnel selects glass fibre reinforced plastics rockbolts as reinforcing mode；When tunnel is
When coal column is helped, using screw-thread steel, rod bolt or cable bolting；When roadway surrounding rock collapse dept be more than drift section height or
Width, is unable to reach the mounting condition of anchor pole or collapse dept reaches when can not select matched anchor pole, select anchor cable come into
Row supporting；
The length and diameter of the diameter of the anchor pole or anchor cable carries out supporting according to the damage -form of roadway surrounding rock；And it sets
The anchor pole or anchor cable put meet following requirements：
The anchor pole or anchor cable for being arranged on top plate meet
L≥L1+Δ+L2
L is rock-bolt length in formula, and L1 is anchor rod anchored end length；Δ is roadway surrounding rock collapse dept；L2-anchor pole is exposed
Hold length；
And its anchor force meets
Q=K Δ a γ
Q is anchor-holding force of anchor bolt in formula, and K is safety coefficient；A is bolt interval；γ is close for unstable formation mean gravity
Degree；
And bolt diameter meets
D is anchor bar body diameter in formula, and σ t are the tensile strength of rod body material；
Array pitch presses the weight satisfaction that anchor pole can suspend in midair between roofbolt
D is anchor bar body diameter in formula, and σ t are the tensile strength of rod body material.
The present invention is by the way that live tunnel precision monitor, monitoring result is real-time transmitted to the main monitoring meter in design of its support operating room
Calculation machine is nested with surrounding rock failure monitoring anchor pole rope supporting parameter design software, is joined by the supporting of field monitoring combination anchor pole rope
Number design software realizes roadway surrounding rock anchor pole rope supporting parameter design, and above-mentioned process can also combine the data of collection in worksite
Afterwards by manually being calculated, i.e., anchor shaft anchor cable performance parameter is calculated as the method previously described, mainly including anchor shaft anchor cable
The information such as diameter, length are providing the data such as material, elongation percentage, rupture strength, resin roll number and the quantity of anchor pole rope
Afterwards, according to collapse dept, head-room or width, corresponding anchor pole (rope) is selected, further according to surveyed roadway surrounding rock damage -form
It calculates and destroys rock mass weight, determine the quantity and array pitch of roadway bolt rope with this, and the method according to the invention can be with
Being calculated between anchor pole rope engineering parameter, anchor pole rope can be with prison after the completion of the design datas such as position of array pitch and each anchor pole
The weight of the maximum height and destruction area of surveying destruction area checks supporting parameter design, and can detection supporting parameter, which reach, sets
Meter requirement.
The method of the present invention can be rapidly completed quantitative design to roadway surrounding rock destruction area, and possess following beneficial
Effect：
1st, present invention utilizes based on deformation of the surrounding rock in tunnel accurate monitoring method, it may be determined that roadway surrounding rock plastic failure encloses
Rock deflection, information is more accurately and timely.
2nd, method of the invention can intuitively show surrounding rock failure and design of its support situation, and structural reduction is easy to operate, real
Show the intelligentized design of roadway support parameter, greatly facilitate the application of field personnel；
3rd, the present invention can join supporting according to the maximum height of destruction area and the weight of destruction area that field monitoring obtains
Number design is designed, and more adds the accuracy of design of its support.
Description of the drawings
Fig. 1 is roadway surrounding rock plastic failure monitoring drilling arrangement apparatus schematic diagram
Fig. 2 is the imaging interfaces figure of surrounding rock failure monitoring；
Fig. 3 is that bolting and rope support design is manually entered interface；
Fig. 4 is roadway bolt cable bolting schematic diagram.
Specific embodiment
The embodiment of the present invention is the following is, explanation of the invention is used only as and not limits.
With reference to Fig. 1,2,3,4, the present invention will be described, and the anchor pole rope supporting parameter that such roadway surrounding rock destroys monitoring is set
Meter method mainly monitors drilling arrangement apparatus schematic diagram by Fig. 1 roadway surrounding rocks plastic failure, and 1 is drift section monitoring section,
Number arrange as far as possible three and more than, by 2 displacement sensors be mounted on 3 monitoring drilling in, enclosed by each bore inner
Rock destroys monitoring, obtains surrounding rock failure information.
The following table shows the information that is damaged of roadway surrounding rock：
1 roadway surrounding rock of table destroys information
Fig. 2 is each in figure intuitively to be presented to the imaging interfaces figure that surrounding rock failure monitors using the method for finite element analysis
Small lattice size is 0.5m × 0.5m, and wherein black lattice 4 is monitoring destruction area, clearly can accurately obtain tunnel by Fig. 2 and enclose
Rock destroys information.Upper table is referred to, is No. 1 drilling by the drilling of the top plate leftmost side, along clock-wise order name drilling number.
The supporting in tunnel is by the region being destroyed in tunnel anchor pole or anchor cable to be set to realize；
When tunnel type is mining induced roadway, coal wall side in tunnel selects glass fibre reinforced plastics rockbolts as reinforcing mode；When tunnel is
When coal column is helped, using screw-thread steel, rod bolt or cable bolting；When roadway surrounding rock collapse dept be more than drift section height or
Width, is unable to reach the mounting condition of anchor pole or collapse dept reaches when can not select matched anchor pole, select anchor cable come into
Row supporting；
The length and diameter of the diameter of the anchor pole or anchor cable carries out supporting according to the damage -form of roadway surrounding rock；And it sets
The anchor pole or anchor cable put meet following requirements：
The anchor pole or anchor cable for being arranged on top plate meet
L≥L1+Δ+L2
L is rock-bolt length in formula, and L1 is anchor rod anchored end length；Δ is roadway surrounding rock collapse dept；L2-anchor pole is exposed
Hold length；
And its anchor force meets
Q=K Δ a γ
Q is anchor-holding force of anchor bolt in formula, and K is safety coefficient；A is bolt interval；γ is close for unstable formation mean gravity
Degree；
And bolt diameter meets
D is anchor bar body diameter in formula, and σ t are the tensile strength of rod body material；
Array pitch presses the weight satisfaction that anchor pole can suspend in midair between roofbolt
D is anchor bar body diameter in formula, and σ t are the tensile strength of rod body material.
The present invention is by the way that live tunnel precision monitor, monitoring result is real-time transmitted to the main monitoring meter in design of its support operating room
Calculation machine is nested with surrounding rock failure monitoring anchor pole rope supporting parameter design software, is joined by the supporting of field monitoring combination anchor pole rope
Number design software realizes roadway surrounding rock anchor pole rope supporting parameter design, and above-mentioned process can also combine the data of collection in worksite
Afterwards by manually being calculated, i.e., anchor shaft anchor cable performance parameter is calculated as the method previously described, mainly including anchor shaft anchor cable
The information such as diameter, length are providing the data such as material, elongation percentage, rupture strength, resin roll number and the quantity of anchor pole rope
Afterwards, according to collapse dept, head-room or width, corresponding anchor pole (rope) is selected, further according to surveyed roadway surrounding rock damage -form
It calculates and destroys rock mass weight, determine the quantity and array pitch of roadway bolt rope with this, and the method according to the invention can be with
Being calculated between anchor pole rope engineering parameter, anchor pole rope can be with prison after the completion of the design datas such as position of array pitch and each anchor pole
The weight of the maximum height and destruction area of surveying destruction area checks supporting parameter design, and can detection supporting parameter, which reach, sets
Meter requirement.
The present invention takes following support pattern for the tunnel destroyed shown in table 1
Table 2：Bolting and rope support parameter
Table 3：Anchor bolt works parameter
4 anchorage cable engineering parameter of table
By field monitoring result combination anchor pole rope supporting parameter design formula, to anchor pole without hesitation can and engineering parameter carry out
Design.Design of its support can be carried out after the completion of all supporting parameter typings of anchor pole rope to check as shown in figure 4, specific anchor pole rope supporting side
Case is：Top plate uses Φ 17.8 × L4 000mm anchor cables, one, array pitch 2m is arranged away from left side 1m, using 18 × L2 of Φ 100m
Array pitch is 1m × 1m between twisted steel anchor rod, away from left side 0.5m arrangement one rows 5；It helps to use Φ 18 × L2 100m spiral shells in left and right two
Line steel anchor rod, array pitch are 1m × 1m, and a row 3 is arranged away from top plate 0.5m；Bottom plate uses Φ 18 × L2 100m screw-thread steel anchors
Bar, array pitch are 2m, away from left side 4.5m arrangement one rows 1.
When the collapse dept of roadway surrounding rock is deeper, it is unable to reach more than drift section height (top, bottom) or width (two help)
Mounting condition or collapse dept, which reach, then needs that anchor cable is selected to carry out supporting when can not select matched anchor pole.
Such as：When roadway damage depth is less than 2.1m, the minimum diameter of drift section is more than 2.1m, and non-mining induced roadway,
Then choose Φ 22 × L2 200m twisted steel anchor rods；If mining induced roadway coal wall is helped, then Φ 22 × L2 200m fiberglass is chosen
Anchor pole chooses Φ 22 × L2 200m twisted steel anchor rods when it is helped for coal column with top plate.If roadway damage depth is more than tunnel
As long as cross section diameter or the anchor pole that can not construct can only then select anchor cable, specific length can be counted in the method in accordance with the invention
It calculates.
Technical staff can judge whether design is reasonable by the method for calibration of the present invention, and such as design of its support, institute is attainable
Depth and weight can not meet the needs of destroyed area depth and weight.
It the following is the embodiment of another supporting, following table has reacted tunnel and has been damaged situation：
5 roadway surrounding rock of table destroys information (its number information mode is same as above an embodiment)
6 bolting and rope support parameter of table
7 anchor bolt works parameter of table
8 anchorage cable engineering parameter of table
Table 6-8 is the support pattern taken tunnel, and technical staff can judge design by the method for calibration of the present invention
Whether rationally, as design of its support attainable depth and weight whether meet the needs of destroyed area depth and weight.
The above are in order to which those of ordinary skill in the art is made to understand the present invention, and to the detailed description that is carried out of the present invention,
However, it is contemplated that other changes and modifications can also be made in the range of the claim for not departing from the present invention covers,
These change and modification are in protection scope of the present invention.
Claims (6)
1. a kind of roadway surrounding rock destroys the anchor pole rope method for protecting support of monitoring, including：
1) multiple tunnels is set to drill in tunnel, and the interior setting displacement sensor that drills in tunnel；
2) displacement data is collected by displacement sensor, tunnel is judged by the installation position of displacement data combination displacement sensor
The degree that is damaged；
3) anchor pole rope supporting is implemented at the tunnel obtained according to step 2) the position that degree destroys tunnel that is damaged.
2. according to the method described in claim 1, it is characterized in that：The installation position of the tunnel drilling is the section in tunnel
Top, the two of section bottom and section help.
3. according to the method described in claim 1, it is characterized in that：The depth of the tunnel drilling is 4-10m.
4. according to the method described in claim 1, it is characterized in that：Institute's displacement sensors include multipoint displacement meter, grating, appearance
One or more in grid, magnetic grid and thermal conductivity sensor.
5. according to the method described in claim 1, it is characterized in that：Step 2), which specifically includes, calculates roadway surrounding rock damage -form
Step is specially：
Roadway surrounding rock is divided by several cell cubes according to the spacing that each displacement sensor is set, according to displacement result to preceding
It states cell cube to be marked, and will be attached labeled as the cell cube of destroyed, obtain the damage -form of roadway surrounding rock.
6. according to the method described in claim 1, it is characterized in that：Step 3) specifically comprises the following steps：
In the destroyed region in tunnel, anchor pole or anchor cable are set；
When tunnel type is mining induced roadway, coal wall side in tunnel selects glass fibre reinforced plastics rockbolts as reinforcing mode；When tunnel is coal column
During side, using screw-thread steel, rod bolt or cable bolting；When the collapse dept of roadway surrounding rock is more than drift section height or width
Degree, is unable to reach the mounting condition of anchor pole or collapse dept reaches when can not select matched anchor pole, and anchor cable is selected to carry out
Supporting；
The length and diameter of the diameter of the anchor pole or anchor cable carries out supporting according to the damage -form of roadway surrounding rock；And set
Anchor pole or anchor cable meet following requirements：
The anchor pole or anchor cable for being arranged on top plate meet
L≥L1+Δ+L2
L is anchor pole or anchor cable length in formula, and L1 is anchor pole or anchor cable fixed end length；Δ is roadway surrounding rock collapse dept；L2-anchor
Bar or anchor cable exposed junction length；
And its anchor force meets
Q=K Δ a γ
Q is anchor-holding force of anchor bolt in formula, and K is safety coefficient；A is bolt interval；γ is unstable formation mean gravity density；
And bolt diameter meets
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<mi>&pi;&sigma;</mi>
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D is anchor bar body diameter in formula, and σ t are the tensile strength of rod body material；
And bolt interval presses the weight satisfaction that anchor pole can suspend in midair
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| CN201711309751.1A CN108060942B (en) | 2017-12-11 | 2017-12-11 | A kind of roadway surrounding rock destroys the anchor pole rope method for protecting support of monitoring |
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| CN108709588A (en) * | 2018-07-23 | 2018-10-26 | 山西大同大学 | A kind of multi-parameter monitoring devices and preparation method thereof for roadway surrounding rock |
| CN109595033A (en) * | 2018-11-23 | 2019-04-09 | 鞍钢集团矿业有限公司 | Weaken the method for roadway surrounding rock strain inside side slope |
| CN110194232A (en) * | 2019-06-27 | 2019-09-03 | 河南理工大学 | A kind of intelligent early-warning shield lane robot vehicle |
| WO2020087906A1 (en) * | 2018-11-02 | 2020-05-07 | 山东科技大学 | Anchor bolt–anchor cable cooperative deformation and force bearing support method |
| CN111814242A (en) * | 2020-07-16 | 2020-10-23 | 新疆工程学院 | Method and system for judging gob-side entry driving coal pillar width by using data of Internet of things |
| CN114777660A (en) * | 2022-03-28 | 2022-07-22 | 呼伦贝尔学院 | Roadway surrounding rock support deformation testing method |
| CN115525994A (en) * | 2022-09-15 | 2022-12-27 | 煤炭科学研究总院有限公司 | Method for calculating deformation of gangue side gangue blocking support and method for adjusting support strategy |
| CN116046063A (en) * | 2023-01-05 | 2023-05-02 | 安徽建筑大学 | Method for monitoring prestress anchor bolt support of deep soft rock roadway |
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