CN106049973A - Inclined hole soil digging and inclination correcting method for governing coal mine rooting shaft tower inclination - Google Patents
Inclined hole soil digging and inclination correcting method for governing coal mine rooting shaft tower inclination Download PDFInfo
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- CN106049973A CN106049973A CN201610609147.XA CN201610609147A CN106049973A CN 106049973 A CN106049973 A CN 106049973A CN 201610609147 A CN201610609147 A CN 201610609147A CN 106049973 A CN106049973 A CN 106049973A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
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Abstract
The invention provides an inclined hole soil digging and inclination correcting method for governing coal mine rooting shaft tower inclination, and suitable for inclination correcting of a rigid connection inclination building/structure of a shaft tower and a wellbore. The method comprises the steps that an inclined hole soil digging scheme is designed according to the shaft tower inclination conditions, the geological conditions of a soil body around the wellbore and the structural characteristics that the shaft tower is rigidly connected with the wellbore through an inverted frustum foundation; an automatic real-time monitoring system is built for the shaft tower and the wellbore according to the structural stress and inclination characteristics of the shaft tower and the wellbore; inclined hole soil digging construction is conducted according to the designed soil digging scheme, stress of a soil body around a soil digging hole is relieved, and the lateral pressure of a soil body on the soil digging side to the wellbore is reduced, so that the wellbore is reversely inclined towards the little stress side to drive the shaft tower rigidly connected with the wellbore to be reversely corrected; in the construction process, reverse inclination changes of the shaft tower and the wellbore are monitored in real time, and inclined hole soil digging technique parameters are regulated according to the reverse inclination changes, so that safe reverse inclination of the shaft tower is effectively controlled. According to the inclination correcting method, construction is easy, engineering cost is low, normal production and operation of a coal mine are not influenced, and security of the shaft tower structure and a well wall structure can be effectively guaranteed.
Description
Technical field
The present invention relates to a kind of inclined hole soil digging inclination correction method, a kind of be applicable to build/improvement the coal of structures correction
Taking root the inclined hole soil digging inclination correction method of headframe deflection in ore deposit, belongs to construction engineering technical field.
Background technology
China will be with coal as main energy sources within a considerably long period, and coal industry occupies weight in national economy
Want status.Occur tilting to bring to the properly functioning of lifting system however as the growth of mine service life, headframe or derrick
Adverse effect, substantially reduces the safety clearance between skip bucket (cage) and the borehole wall, causes lifting system centre line skew, sternly
Heavily have impact on the normal hoisting of mine, even cause security incident, cause huge economic loss.Last century 70～80 years
In generation, limited with equipment by construction technology, solve headframe Question of Ground Bearing Capacity for simple, directly headframe is landed in inverted cone base
On plinth, be rigidly connected with the pit shaft design of (namely hoist-tower foundation take root in profound pit shaft) of inverted cone basis occupies leading
Status.This kind of inverted cone basic engineering form is that headframe-inverted cone basis-pit shaft three is rigidly connected, this version excellent
Point directly acts on pit shaft for top headframe structural load by cone-shaped footing, and pit shaft embeds basement rock, can not consider well during design
Cylinder surrounding soil bearing capacity height.But its shortcoming is the most fairly obvious, and headframe is rigidly connected with pit shaft, cause both Deformation Height
Harmonious, shaft structure damaged deformation, headframe structure can be directly resulted in the diseases such as inclination occur.
The special basis being connected by inversed taper platform structural rigidity with pit shaft for headframe in colliery, pit shaft embeds basement rock, can
To think that this type of basis does not has substrate, namely surrounding soil is not produced base pressure.Building on this type of basis at present
Tilting case rarely has report, corresponding rectification technology not to know where to begin especially, is therefore badly in need of further investigation and is applicable to this type of spy
The superstructure rectification technology of different hoist-tower foundation, so that the headframe of run-off the straight and shaft structure are carried out effective rectification and reinforcing,
Ensure that the safety in production of mine runs.
Summary of the invention
Technical problem: it is an object of the invention to the weak point overcome in prior art, it is provided that take root in a kind of colliery of administering
The inclined hole soil digging inclination correction method of headframe deflection, builds/rectification the problem of structures solving headframe and the pit shaft deflection that is rigidly connected.
Technical scheme: taking root the inclined hole soil digging inclination correction method of headframe deflection in the colliery of administering of the present invention, comprises the steps:
1) according to the geological conditions of soil layer around the headframe skew direction of observation and deflection, pit shaft and headframe and pit shaft
Between by inversed taper platform basic rigidity be connected construction features, in headframe glance off the soil body of opposite side, lay a row incline
Tiltedly soil digging hole, and design the soil digging scheme in soil digging hole, determine soil digging technical parameter and the target rectification value of inclined hole；
2) bottom and top layer at headframe are respectively mounted deviational survey sensor, and install deviational survey in pit shaft soil digging depth bounds
Sensor and strain transducer, monitor the most in real time to the stress of headframe and pit shaft deflection and pit shaft, during construction, is aided with
The method of optical measurement, utilizes total powerstation to carry out headframe tower top deflective displacement and the observation of hoist-tower foundation surrounding differential settlement, with
The sensor test results installed in headframe and pit shaft combines and instructs Deviation Correction Construction；
3) according to the inclination soil digging hole soil digging scheme of design, and under the data-guiding that sensor information is monitored in real time, adopt
With twist bit Construction of Inclined soil digging hole in headframe glances off the soil body of opposite side, to reduce the soil body to pit shaft and inversed taper platform
The lateral pressure on basis, promotes the pit shaft of deflection to tilting soil digging hole side shifting；Owing to headframe and pit shaft are by back taper stylobate
Plinth is rigidly connected, and pit shaft is to the displacement of inclining of returning tilting to drive when direction, soil digging hole is moved headframe, and then realizes headframe correction mesh
Mark；
4) rectification target is reached and after 90 days, inclination and distortion not developing deeply, backfill tilting soil digging hole coarse sand, flat
Ground, whole construction site, terminates rectification work.
The soil digging technical parameter of described inclined hole includes: soil digging hole row width K, soil digging bore dia D, soil digging hole array pitch are from pit shaft
Distance between center line L, soil digging hole vertical depth H and dip angle of hole θ.
During described Construction of Inclined soil digging hole, it is contemplated that carry out reaming from small to large；Largest hole spacing in soil digging hole should not simultaneously
Tilt the aperture in soil digging hole more than 3 times, and practice of construction should reduce pitch of holes so that relatively independent each single hole is connected to as far as possible
Row so that soil digging bore region is close to cutting elongated groove soil digging.
Described target rectification amount corrects headframe or simply check headframe continuation deflection development completely for setting.
Described inclination soil digging hole sequence of construction has three kinds of modes, and a kind of is that an inclination in the middle of the hole row laid is drawn
Soil hole starts construction, tilts soil digging hole the right and left at first afterwards and alternately constructs, until it reaches soil digging hole row width K
Position；The second is that an inclination soil digging hole in the middle of the row of design hole starts construction, is then outwards executed toward side from centre
Work tilts soil digging hole, until stopping to row width K position, this soil digging hole, one side, is more outwards drawn toward opposite side Construction of Inclined from centre
Soil hole, until also stopping to row width K position, this soil digging hole, one side；The third is to start to execute from one end of soil digging hole row width K
Work tilts soil digging hole till the row's width K other end of soil digging hole.
The soil digging bore dia D in described inclination soil digging hole is 200～300mm.
The distance between center line L of the orifice distance pit shaft in described inclination soil digging hole should be not more than 10m；Tilt at the bottom of the hole in soil digging hole
And the distance between the outer wall of pit shaft should control between 0.5～1m, to guarantee shaft structure safety.
The vertical depth H in described inclination soil digging hole is no more than 30m.
The dip angle of hole θ in described inclination soil digging hole is no more than 10 °.
The deviational survey sensor layer spacing installed in described pit shaft soil digging depth bounds is 13～16m, strain transducer interlayer
Away from for 8～12m.
Beneficial effect: the present invention uses angling hole soil digging, makes stress relieving district as far as possible near pit shaft, reduces the unilateral soil body
Lateral pressure to pit shaft；Described headframe is connected by inversed taper platform basic rigidity with pit shaft, namely hoist-tower foundation is taken root in deeply
Long pit shaft, pit shaft embeds the applicable object that version is this inclination correction method of basement rock；By controlling inclination inclination angle, soil digging hole
Degree, pitch-row wellbore centre linear distance can control the distance between stress relieving district and pit shaft, by controlling soil digging hole pitch of holes, hole
The degree of depth, row width adjustable stress relieving district, hole scope；Real-time monitoring system can carry out scientific and rational finger to inclination rectification construction
Lead.During practice of construction, the change according to Monitoring Data dynamically adjusts soil digging technical parameter, it is achieved information-aided construction.By adjusting
Whole inclined hole soil digging technical parameter, can effectively regulate resistance to shear of soil and release district's scope, and then can control the soil body lateral pressure to pit shaft
Power, it is achieved safe, smooth the returning of headframe is inclined.Set up comprehensive automatic monitoring system simultaneously, soil digging construction can feed back well comprehensively
Tower and pit shaft return deformation of inclining, inclination soil digging technical parameter can be adjusted in real time by feedback data, ensure that headframe is safe, return smoothly
Incline, it is achieved information-aided construction.Can control by controlling angle of inclination, soil digging hole and soil digging hole orifice distance wellbore centre linear distance
Distance between stress relieving district and pit shaft, and by controlling soil digging hole pitch of holes, hole depth, hole row's width adjustable stress solution
Except district's scope, and then the soil body lateral pressure to pit shaft can be controlled, utilize construction side and do not construct the side soil body pressure to pit shaft
Difference promotes headframe to return to incline；Soil digging construction effect can reliably be evaluated by monitoring in real time, it is achieved the informationization of inclination rectification construction；
Showing after deliberation, inclined hole soil digging hole row's width is most sensitive on rectifying effect impact, and hole row's the biggest headframe of width
Return the value that inclines the biggest, therefore should be using soil digging hole row's width as major regulator in rectification implementation process.Except hole row's width
Remaining each factor of being outside one's consideration such as inclined hole vertical depth, inclined hole diameter, inclined hole inclination angle and pitch-row wellbore centre linear distance are to rectification effect
Impact suitable, wherein headframe returns and inclines between value and inclined hole vertical depth, inclined hole diameter and inclined hole inclination angle for proportional relation, and with
Between pitch-row wellbore centre linear distance, relation is inverse ratio, therefore rationally can select in terms of construction safety, convenience and economy etc.
Select the optimum combination of remaining each factor；
Headframe is returned by soil digging hole perforate order to the impact of the amount of inclining, have studied soil digging mode one from wellbore centre line simultaneously
Symmetrical to both sides soil digging, mode two first from the side soil digging of wellbore centre alignment, complete after from wellbore centre alignment opposite side soil digging, with
And the impact that headframe Double-directional back is inclined on limit by mode three to opposite side successively soil digging three kinds different soil digging hole sequence of excavation.Result
Show that the total amount of inclining of returning in headframe target rectification direction is affected little by three kinds of soil digging modes, but to being orthogonal to target rectification direction
Affecting the most significantly different, wherein mode one only can produce returning of target rectification direction and inclines, and mode two and three all can produce necessarily
The rectification direction headframe that is orthogonal to return and incline.Therefore for only occurring the headframe of unidirectional deflection to rectify a deviation, soil digging mode one is optimum.But
For the deflection headframe that generation orthogonal direction is two-way, soil digging mode two or mode three can be selected according to practical situation, make headframe edge
Two target directions return and entangle；
Rectification mechanism: unilateral soil digging construction can effectively change pit shaft and enclose native original stress, makes hole Zhou Tuti enter
Mecystasis so be more easy in hole occur Collapse Deformation destroy.Enclosing soil deformation causes soil digging side pit shaft stress to reduce, Jin Eryu
Offside produces stress difference, promotes pit shaft bending to drive headframe to return and entangle, and this is that inclined hole soil digging is taken root the inherent mechanism of headframe correction
Place.
Present method solves existing inclination correction method headframe and pit shaft are rigidly connected (taking root deeply in basis) deflection to build (structure) and build
The inapplicable problem of thing rectification, and the method is simple, economical, does not affect mine normal production, takies construction site little, has aobvious
The technology write and economic advantages.
Accompanying drawing explanation
Fig. 1 is that the middle inclination soil digging hole of the present invention is along perpendicular bisector vertical cut-away schematic view.
Fig. 2 is that the inclination soil digging hole of the present invention is from ground level horizontal profile schematic diagram.
Fig. 3 is the inclination soil digging each technical parameter schematic diagram of construction of the present invention.
Fig. 4 is the different soil digging holes sequence of excavation schematic diagram of the present invention.
In figure: 1-pit shaft；2-inverted cone basis；3-headframe；The 4-soil body；5-tilts soil digging hole；D-soil digging hole is straight
Footpath；K-soil digging hole row's width；L-soil digging orifice distance wellbore centre linear distance；H-vertical depth；θ-inclination angle.
Detailed description of the invention
The present invention is further illustrated for embodiment in below in conjunction with the accompanying drawings:
As shown in Figure 1, take root the inclined hole soil digging inclination correction method of headframe deflection, by the soil body in the colliery of administering of the present invention
Carrying out tilting the construction in soil digging hole 5 in 4, the reduction soil body 4, to pit shaft 1 and the soil lateral pressure on inverted cone basis 2, promotes pit shaft 1
Move to tilting direction, soil digging hole 5；Headframe 3 is rigidly connected by inverted cone basis 2 with pit shaft 1, and the movement of pit shaft 1 can drive
Returning of headframe 3 is entangled；Specifically comprise the following steps that
1) according to headframe 3 skew direction of observation and deflection, the geological conditions of pit shaft 1 surrounding soil layer 4 and headframe 3 with
By inversed taper platform basis 2 rigidly connected construction featuress (situation) between pit shaft 1, design tilts soil digging scheme, occurs at headframe 3
The soil body 4 of deflection opposite side is laid a row and tilts soil digging hole 5, and design the soil digging scheme in soil digging hole 5, determine inclined hole
The soil digging technical parameter of 5 and target rectification value；The soil digging technical parameter of described inclined hole 5 includes: soil digging hole is arranged width K, drawn
Soil bore dia D, soil digging hole array pitch are from wellbore centre linear distance L, soil digging hole vertical depth H and dip angle of hole θ；Described target rectification
Amount for set completely correct headframe 3 or simply check headframe 3 continue deflection development.The soil digging bore dia D in described inclination soil digging hole 5
It is 200～300mm.
During described Construction of Inclined soil digging hole 5, it is contemplated that carry out reaming from small to large；Soil digging hole 5 largest hole spacing is not simultaneously
Should be greater than 3 times of apertures tilting soil digging hole, and practice of construction should reduce pitch of holes so that relatively independent each single hole is connected as far as possible
In a row so that soil digging bore region is close to cutting elongated groove soil digging.
2) according to headframe 3, inverted cone basis 2, pit shaft 1 rigid connection structure loading characteristic, deflection feature, to headframe and well
Real-time monitoring system set up by cylinder, and bottom and top layer at headframe 3 are respectively mounted deviational survey sensor, and at pit shaft 1 soil digging degree of depth model
Enclose interior installation deviational survey sensor and strain transducer, the stress of headframe 3 and pit shaft 1 deflection and pit shaft 1 is carried out safely in real time
Monitoring, during construction, the method being aided with optical measurement, utilize total powerstation to carry out headframe 3 tower top deflective displacement and hoist-tower foundation surrounding
Differential settlement is observed, and combines with the sensor test results installed in headframe 3 and pit shaft 1 and instructs Deviation Correction Construction；Described well
The deviational survey sensor layer spacing installed in cylinder 1 soil digging depth bounds is 13～16m, and strain transducer interlamellar spacing is 8～12m.
3) according to the inclination soil digging hole 5 soil digging scheme of design, under the data-guiding that sensor information is monitored in real time, use
Twist bit is Construction of Inclined soil digging hole 5 in headframe 3 glances off the soil body 4 of opposite side, with reduce the soil body 4 to pit shaft 1 and fall
The lateral pressure on frustum basis 2, promotes the pit shaft 1 of deflection to tilting soil digging hole 5 side shifting；Owing to headframe 3 is to pass through with pit shaft 1
Inversed taper platform basis 2 is rigidly connected, and pit shaft 1 returns displacement of inclining, Jin Ershi to tilt to drive when direction, soil digging hole 5 is moved headframe 3
Existing headframe correction target；Described inclination soil digging hole 5 sequence of construction has three kinds of modes, and a kind of is in the middle of the hole row laid
3. number 1. individual inclination soil digging hole 5 number starts construction, tilts soil digging hole 5 the right and left at first afterwards and alternately constructs (2),
Number by the inclination soil digging hole 5 shown in Fig. 2 afterwards and alternately carry out successively, the most 4., 5. number, 6., 7. number ..., until it reaches
The position of soil digging hole row width K；Soil digging hole sequence of excavation mode one as shown in Figure 4.For occur two-way deflection headframe (
Deflection is all there occurs in orthogonal x and y both direction) then can use the soil digging hole sequence of excavation mode two in Fig. 4 or mode three.
That is: the second way: an inclination soil digging hole 5 in the middle of the row of design hole starts construction, is then outwards executed toward side from centre
Work tilts soil digging hole 5, until stopping to row width K position, this soil digging hole, one side, then from centre outwards toward opposite side Construction of Inclined
Soil digging hole 5, until also stopping to row width K position, this soil digging hole, one side；The third mode: from one end of soil digging hole row width K
Start Construction of Inclined soil digging hole 5 till the row's width K other end of soil digging hole.The orifice distance pit shaft 3 in described inclination soil digging hole 5
Distance between center line L should be not more than 10m, in order to site operation is as the criterion；Tilt at the bottom of the hole in soil digging hole 5 with the outer wall of pit shaft 1 it
Between distance should control between 0.5～1m, to guarantee pit shaft 1 structural safety；Soil digging bore dia is between 200～300mm, real
Reaming can be carried out from small to large during the construction of border；Soil digging hole row's width not should be greater than headframe structural plan, soil digging side width；Soil digging hole
Largest hole spacing not should be greater than 3 times of bore dias, and practice of construction should reduce pitch of holes as far as possible and make hole row close to becoming channel-shaped；Described
Tilt the vertical depth H in soil digging hole 5 no more than 30m；The dip angle of hole θ in described inclination soil digging hole 5 is no more than 10 °, and it selects
Surely the factors such as integrated construction convenience and capability of engineering equipment are answered to determine.
Different to the influence degree of rectifying effect according to different soil digging technical parameters, the technical parameter tilting soil digging hole 5 is adjusted
Width K is arranged in the whole main-control factors soil digging hole in Fig. 3, secondly can pass through soil digging bore dia D, soil digging orifice distance wellbore centre line
Distance L, soil digging hole vertical depth H and hole inclination angle theta are carried out.Wherein hang down in increase soil digging hole row width K, soil digging bore dia D, soil digging hole
Straight depth H and hole inclination angle theta can make headframe return value increase of inclining；Increase soil digging orifice distance wellbore centre linear distance L and then make well
Tower returns the value that inclines and reduces.
4) rectification target is reached and after 90 days, inclination and distortion not developing deeply, backfill with coarse sand tilting soil digging hole 5,
Ground, smooth construction site, terminates rectification work.
Claims (10)
1. administer colliery and take root the inclined hole soil digging inclination correction method of headframe deflection for one kind, it is characterised in that comprise the steps:
1) according to headframe (3) skew direction observed and the geological conditions of deflection, pit shaft (1) soil layer (4) around and headframe
(3) by the construction features that inversed taper platform basis (2) is rigidly connected and between pit shaft (1), opposite side is glanced off at headframe (3)
The soil body (4) in lay a row and tilt soil digging hole (5), and design the soil digging scheme in soil digging hole (5), determine inclined hole (5)
Soil digging technical parameter and target rectification value；
2) bottom and top layer at headframe (3) are respectively mounted deviational survey sensor, and install survey in pit shaft (1) soil digging depth bounds
Tiltedly sensor and strain transducer, monitor the most in real time to the stress of headframe (3) and pit shaft (1) deflection and pit shaft (1),
During construction, the method being aided with optical measurement, utilize total powerstation to carry out headframe (3) tower top deflective displacement and hoist-tower foundation surrounding is uneven
Even settlement observation, combines with the sensor test results installed in headframe (3) and pit shaft (1) and instructs Deviation Correction Construction；
3) according to inclination soil digging hole (5) the soil digging scheme of design, and under the data-guiding that sensor information is monitored in real time, use
Twist bit is Construction of Inclined soil digging hole (5) in headframe (3) glances off the soil body (4) of opposite side, to reduce the soil body (4) to well
Cylinder (1) and the lateral pressure of inversed taper platform basis (2), promote the pit shaft (1) of deflection to tilting soil digging hole (5) side shifting；Due to well
Tower (3) and pit shaft (1) are rigidly connected by inversed taper platform basis (2), when pit shaft (1) moves to inclination soil digging hole (5) direction
Drive the displacement of inclining of returning of headframe (3), and then realize headframe correction target；
4) rectification target is reached and after 90 days, inclination and distortion not developing deeply, backfill with coarse sand tilting soil digging hole (5), flat
Ground, whole construction site, terminates rectification work.
Taking root the inclined hole soil digging inclination correction method of headframe deflection in a kind of colliery of administering the most according to claim 1, its feature exists
In: the soil digging technical parameter of described inclined hole (5) including: soil digging hole row width K, soil digging bore dia D, soil digging hole array pitch are in pit shaft
Heart linear distance L, soil digging hole vertical depth H and dip angle of hole θ.
Taking root the inclined hole soil digging inclination correction method of headframe deflection in a kind of colliery of administering the most according to claim 1, its feature exists
In: during described Construction of Inclined soil digging hole (5), it is contemplated that carry out reaming from small to large；Soil digging hole (5) largest hole spacing should not simultaneously
Tilt the aperture in soil digging hole more than 3 times, and practice of construction should reduce pitch of holes so that relatively independent each single hole is connected to as far as possible
Row so that soil digging bore region is close to cutting elongated groove soil digging.
Taking root the inclined hole soil digging inclination correction method of headframe deflection in a kind of colliery of administering the most according to claim 1, its feature exists
In: described target rectification amount corrects headframe (3) or simply check headframe (3) continuation deflection development completely for setting.
Take root the inclined hole soil digging inclination correction method of headframe deflection in a kind of colliery of administering the most according to claim 1 and 2, its feature
It is: described inclination soil digging hole (5) sequence of construction has three kinds of modes, and a kind of is that an inclination in the middle of the hole row laid is drawn
Soil hole (5) starts construction, tilts soil digging hole (5) the right and left at first afterwards and alternately constructs, until it reaches soil digging hole
The position of row width K；The second be from design hole row in the middle of one inclination soil digging hole (5) start construction, then by centre to
Outer toward Construction of Inclined soil digging hole, side (5), until stopping to row width K position, this soil digging hole, one side, then from centre outwards toward another
Construction of Inclined soil digging hole, side (5), until also stopping to row width K position, this soil digging hole, one side；The third is to arrange from soil digging hole
One end of width K starts Construction of Inclined soil digging hole (5) till the row's width K other end of soil digging hole.
Taking root the inclined hole soil digging inclination correction method of headframe deflection in a kind of colliery of administering the most according to claim 2, its feature exists
In: the aperture D of described inclination soil digging hole (5) is 200～300mm.
Take root the inclined hole soil digging inclination correction method of headframe deflection in a kind of colliery of administering the most according to claim 1 and 2, its feature
It is: the distance between center line L of the orifice distance pit shaft (3) of described inclination soil digging hole (5) should be not more than 10m；Tilt soil digging hole (5)
Hole at the bottom of and the outer wall of pit shaft (1) between distance should control between 0.5～1m, to guarantee pit shaft (1) structural safety.
Taking root the inclined hole soil digging inclination correction method of headframe deflection in a kind of colliery of administering the most according to claim 2, its feature exists
In: the vertical depth H of described inclination soil digging hole (5) is no more than 30m.
Taking root the inclined hole soil digging inclination correction method of headframe deflection in a kind of colliery of administering the most according to claim 2, its feature exists
In: the dip angle of hole θ of described inclination soil digging hole (5) is no more than 10 °.
Taking root the inclined hole soil digging inclination correction method of headframe deflection in a kind of colliery of administering the most according to claim 1 and 2, it is special
Levy and be: the deviational survey sensor layer spacing installed in described pit shaft (1) soil digging depth bounds is 13～16m, strain transducer layer
Spacing is 8～12m.
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| CN201610609147.XA CN106049973A (en) | 2016-07-29 | 2016-07-29 | Inclined hole soil digging and inclination correcting method for governing coal mine rooting shaft tower inclination |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219330A (en) * | 2019-06-12 | 2019-09-10 | 北京科技大学 | A kind of headframe reinforcement and rectification Treatment Methods based on root pile |
| CN112648146A (en) * | 2020-12-18 | 2021-04-13 | 华能煤炭技术研究有限公司 | Tower frame deviation rectifying method, device and system |
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| CN110219330A (en) * | 2019-06-12 | 2019-09-10 | 北京科技大学 | A kind of headframe reinforcement and rectification Treatment Methods based on root pile |
| CN110219330B (en) * | 2019-06-12 | 2020-07-28 | 北京科技大学 | Pit tower reinforcement and deviation rectification treatment method based on tree root piles |
| CN112648146A (en) * | 2020-12-18 | 2021-04-13 | 华能煤炭技术研究有限公司 | Tower frame deviation rectifying method, device and system |
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